If we add electrons, they will go into the antibonding LUMO and decrease the bond order. On the left is a fluorine atom with seven valence electrons. Previous Year Papers. Our expert Chemistry tutor, Dasha took 6 minutes and 4 seconds to solve this problem. 8 4 molecular orbital theory – chemistry opentextbc bond order the filled molecular orbital diagram shows the number of electrons in both bonding and antibonding molecular orbitals the net contribution of the electrons to the bond strength of a molecule is identified by determining the bond order that results from the filling of the molecular orbitals by electrons The bond lengths are inverse to the bond order (e.g. Determine the bond order in a molecule or ion with:a. If value of bond order is positive, it indicates a stable molecule and if the value is negative or zero, it means that the molecule is unstable. 2.5. The bond lengths are inverse to the bond order (e.g. A blank molecular orbital diagram (Part A 1 figure) has been provided to help you. 1.) Orbital Mixing Orbitals of similar but unequal energies can interact if they have the same symmetry The 2s and 2pzorbitals form MOs with the same symmetry (σ g and σ u). Additionally i labelled the humo as pi2py and the lumo as sigma2px. Based on our data, we think this problem is relevant for Professor Yang's class at UT. Currently only available for. what is the bond order for a molecule with 10 electrons in bonding molecular orbitals and 5 electrons in antibonding molecular orbitals. Molecular orbitals of the second energy level. diamagneticc. bond order = no.of nonduna electrons- no. A diatomic molecular orbital diagram is used to understand the bonding of a diatomic molecule. In simple terms, since F has 7 valence electrons thus by sharing of electrons with another F it forms a bond to fullfil its octate. Then, what is the bond order for the f2 molecule? Explain your answer. This is called a polar covalent bond as opposed to the pure covalent bond in F2. Each F atom also has three pair of electrons that are not shared with the other atom. Therefore Bond order of F2 is 1. Neither, Use the molecular orbital diagram shown to determine which of the following is most stable.a. Explain why the relative energy levels diagrams for Li2, Be2, B2, C2, N2 are different The molecular orbital theory of Li2 to F2 gives a graphical explanation. Because arguments based on atomic orbitals focus on the bonds formed between valence electrons on an atom, they are often said to involve a valence-bond theory.. A draw the molecular orbital diagram. bond order is positive. By definition, electrons in nonbonding orbitals have no effect on bond order, so they are not counted in the calculation of bond order. What scientific concept do you need to know in order to solve this problem? The bond order is computed using the formula below: 2. N 2 has a bond order of 3 and is diamagnetic. The molecule is unstable if N b < Na i.e. Clutch Prep is not sponsored or endorsed by any college or university. F22+b. of electrons in bonding molecular orbital and Na= no. Chapter Chosen. Bonding and Antibonding Molecular Orbitals. On the basis of molecular orbital diagram, explain. The bond order is computed using the formula below: Molecular Orbital Theory. Bond Order. It is diamagnetic with no unpaired electrons. Bond order is the number of chemical bonds between a pair of atoms. Answer: F2 the following: (sigma 2s)^2. For Difluorine, by counting the number bonding, 10, and number of antibonding, 8, give us the BO of 1. In molecular orbital theory, bond order is also defined as the difference, divided by two, between the number of bonding and antibonding electrons; this often, but not always, yields the same result. Frequently Asked Questions. 2. In the formation of B 2 molecule, three valence electrons of each boron atom i.e. molecular orbital theory build f2 for the ion f2 a draw the molecular orbital diagram b calculate the bond order c would this ion exist d write the electron molecular orbital theory c2 n2 o2 and f2 molecules this video shows the mo diagrams of the c2 n2 o2 and f2 molecules What professor is this problem relevant for? C2, N2, and F2 are diamagnetic because they have paired electrons. How do you split household chores with your spouse? 1.) Therefore Bond order of F2 is 1. pie*2p Li2 = σ1s2,σ*1s2,σ2s2. 12 valence electrons.c. Bond order is also an index of bond strength, and it is used extensively in valence bond theory. Does the bond order calculated agree with what you would draw for the Lewis structures of these molecules? 12 valence electrons.c. 6 in all, have to be accommodated in various molecular orbitals in the increasing order of their energies. What are the names of Santa's 12 reindeers? Molecular orbitals (MO) are constructed from atomic orbitals. ... Q. Problem: Determine the bond order from the molecular orbital diagram of N2, F2, and Ne2. In benzene, the delocalized molecular orbitals contain 6 pi electrons over six carbons essentially yielding half a pi bond together with the sigma bond for each pair of carbon atoms, giving a calculated bond number of 1.5. Mulliken came up with Molecular Orbital Theory to explain questions like the ones above. The bond number itself is the number of electron pairs (bonds) between a pair of atoms. b. However, the diagram will still yield correct bond order and magnetic behavior for these molecules. 0. the total numbers of electrons in the pi2p molecular orbital of B2 is. Use the molecular orbital diagram shown to determine which of the following is most stable based on their bond order Atomic orbitals Molecular orbitals Atomic orbitals O, F2, Nez • Nez2 • F₂2. 96% (151 ratings) View Complete Written Solution. Bond order = Thus F2 consists of a single bond. Molecular orbital Diagram F2. 2. The bond order is 1/2(no. They also give insight to the bond order of the molecule, how many bonds are shared between the two atoms. a double bond is shorter than a single bond), so the order is F2+ < F2 < F2- from shortest to longest. Show show your work or give a brief explanation of the process. The general procedure for constructing a molecular orbital diagram for a reasonably simple molecule can be summarized as follows: 1. Molecular orbital diagrams of diatomic molecules. Abhinav jha btech dual computer science engineering indian institute of technology dhanbad 2022 answered feb 3 2018 author has 85 answers and 266k answer views. Our tutors rated the difficulty ofDetermine the bond order for F2, F2+ and F2 -. bond order is positive. In O2 and F2, there is a crossover of the sigma and the pi ortbials: the relative energies of the sigma orbitals drop below that of the pi orbitals'. The organic chemistry tutor 569143 views. © AskingLot.com LTD 2020 All Rights Reserved. Bond order is defined as half of the difference between the number of electrons present in the bonding and antibonding orbitals. ¿Cuáles son los 10 mandamientos de la Biblia Reina Valera 1960? The magnetic property, bond order, and so on can be understood from its molecular orbital diagram. Thus, the bond order of is 2. Therefore in 1932 F. Hood and R.S. Show show your work or give a brief explanation of the process. c. O2 is paramagnetic because it has two unpaired electrons, one in each of its p* orbitals. (iii) Bond order of Ne2Thus Ne2 consists of no bonds. Because arguments based on atomic orbitals focus on the bonds formed between valence electrons on an atom, they are often said to involve a valence-bond theory.. F2. molecular orbital theory build f2 for the ion f2 a draw the molecular orbital diagram b calculate the bond order c would this ion exist d write the electron molecular orbital theory c2 n2 o2 and f2 molecules this video shows the mo diagrams of the c2 n2 o2 and f2 molecules Bond Order = ½ ( N b – Na) The molecule is stable if N b > Na ie. Furthermore, bond numbers of 1.1, for example, can arise under complex scenarios and essentially refer to bond strength relative to bonds with order 1. Q. The two boron atom is B2 molecules are linked by one covalent bond. Molecular Orbitals from p Atomic Orbitals. Molecular orbital diagrams of diatomic molecules. The bond lengths are inverse to the bond order (e.g. Valence Bond Model vs. Molecular Orbital Theory . (sigma 2s*)^2. Thus the predicted bond order of HCl is (2 − 0) ÷ 2 = 1. paramagneticb. B2 molecule is formed by the overlap of atomic orbitals of both boron atoms. Using the molecular orbital diagram, calculate the bond order of F2+. Each hydrogen atom contributes one electron, and thus, "H"_2^(-) has three electrons while "H"_2^(+) has one. On the right is the F2 molecule. Bond order is defined as half of the difference between the number of electrons present in the bonding and antibonding orbitals. Write the molecular orbital diagram of N2+ and calculate their bond order why nitrogen have different structure of molecular orbital theory An atomic orbital is monocentric while a molecular … Chemistry Part I Subject Chosen. The stability of a molecule is measured by its bond dissociation energy. F22+b. Therefore, the correct order of stability is N22- < N2– = N2+ < N2. Bond order, as introduced by Linus Pauling, is defined as the difference between the number of bonds and anti-bonds.. Answer and Explanation: The bond order for fluorine gas is 1. Explain your answer. Get a better grade with hundreds of hours of expert tutoring videos for your textbook. Information from the MO diagram justify O2's stability and show that it's bonding order is 2. c. Do you expect F2+ to be paramagnetic or diamagnetic? Explain your answer. Determine the bond order in a molecule or ion with:a. CO is diamagnetic because all of its electrons are paired. Originally Answered: What is the bond order of F2? Do you expect this to have a shorter or longer bond length than F2? Use the molecular orbital diagram shown to determine which of the following is most stable.a. The bond order of N2+ is 2.5 . In molecular orbital theory, bond order is also defined as half of the difference between the number of bonding and antibonding electrons. Here is the solution, > * For O2 molecule, > * For F2 molecule, Thanks for reading. How long does this problem take to solve? Write the magnetic nature of N 2 and O 2 molecules. F22-d. O22+e. HARD. Molecular orbital diagram for b2. Use the molecular orbital diagram shown to determine which of the following is most stable.a. a double bond is shorter than a single bond), so the order is F2+ < F2 < F2- from shortest to longest. The bond order can be determined for this molecule to be: Bond order = 1/2 (4 – 2) = 1. number of elections in the sigma*2p molecular orbital is. MO diagrams can be used to deduce magnetic properties of a molecule and how they change with ionization. Therefore in 1932 F. Hood and R.S. Look up the shapes of the SALCs. Subsequently, question is, what is the electron configuration of f2? F2 . Problem: Determine the bond order from the molecular orbital diagram of N2, F2, and Ne2. So, the order starting with the highest bond order is = C2- > C2 > C2+. As well i filled in … Fig. By registering, I agree to the Terms of Service and Privacy Policy. C2 2 molecular orbital diagram. It's paramagnetic because it posses 2 unpaired electrons. Nb=4, Na=2. Thus a single bond has a bond order of 1, a double bond has a bond order of 2, and a triple bond has a bond order of 3. How do we change the bond order? Additionally i labelled the humo as pi2py and the lumo as sigma2px. For example, in diatomic nitrogen N≡N the bond number is 3, in ethyne H−C≡C−H the bond number between the two carbon atoms is also 3, and the C−H bond order is 1. F2 o2 and f2 o2 and b2 o2. 13 valence electrons.d. In contrast, molecular nitrogen, N2, has no unpaired electrons and is diamagnetic; it is therefore unaffected by the magnet. It is diamagnetic due to the absence of any unpaired electron. The orbital diagram for a diatomic molecule is to find the bond order add the 15 electrons in the molecular orbitals the blue colored energy levels in the diagram one at … 6 in all, have to be accommodated in various molecular orbitals in the increasing order of their energies. Molecular orbitals of the second energy level. Analysis done by Bond Order. the bond order is negative or zero. If you use the Aufbau process to populate the sigma, pi, pi*, and sigma* orbitals of these species, you will find that F2+ has bond order 1.5, F2 has bond order 1.0, and F2- has bond order 0.5. Give the Molecular Orbital Energy diagram of a) N 2 and b) O 2 . Mar 4, Find an answer to your question Draw and explain the molecular orbital diagram of Ne2. Problem Details. The net contribution of the electrons to the bond strength of a molecule is identified by determining the bond order that results from the filling of the molecular … Download books and chapters from book store. Explain your answer here in addition to providing the bond order values. The atomic orbitals that combine are of similar energy levels; a 1s orbital does not combine with one of the 2s orbitals. number of elections in the sigma*2p molecular orbital is. F2 molecular orbital diagram. o*2p 2.) Q. Please label your answers a-c and place them on separate lines. Arrange the following in order of decreasing stability. o2p. 0. Explanation: The order of stability is directly proportional to the bond order. Learn VSEPR Theory to know the geometrical arrangement of various molecules. • F2 022 • F22 From the molecular orbital diagram of a molecule, the bond order of a specific bond in a molecule can be determined. a double bond is shorter than a single bond), so the order is F2+ Status: Resolved.By using molecular orbital theory, why doesn't the Ne2 molecule exist? Molecular Orbital Theory. From the molecular orbital diagram of a molecule, the bond order of a specific bond in a molecule can be determined. Each fluorine atom has 7 valence electrons, and in F2 there are 2 electrons in sigma(2S), 2 in sigma star, 2 in sigma2P, 4 in two pi bonding and 4 in two anti pi bonding. F2 o2 and f2 o2 and b2 o2. Bond order = There are 10 bonding and 5 non-bonding electrons in the orbitals according to the molecular orbital configuration. b. Magnetic property: Since bond order is zero, Be2 molecule does not exist. of antibonding So in order of stability you have; F2+,F2.So,F2+>F2. Finding Bond Order Quickly Know the formula. If you forgot your password, you can reset it. If you use the Aufbau process to populate the sigma, pi, pi*, and sigma* orbitals of these species, you will find that F2+ has bond order 1.5, F2 has bond order 1.0, and F2- has bond order 0.5. F2, F2+, F2- Ne22+c. 9 Molecular Orbital Diagram for CO. The bond lengths are inverse to the bond order (e.g. The Valence Bond Theory fails to answer certain questions like why He 2 molecule does not exist and why O 2 is paramagnetic. The formula for bond order is as follows. [This is the same as allowing two waves to interfere]. Originally Answered: What is the bond order of F2? place the following molecular orbitals in order of decreasing energy for species of O2, F2, and Ne2. Well, build the molecular orbital (MO) diagram. Molecular orbital diagram for b2. In molecular orbital theory, bond order is defined as … of bonding electrons - no. For a straightforward answer: use this formula: Bond order = [(Number of electrons in bonding molecules) - (Number of electrons in antibonding molecules)]/2. - QuoraMolecular Orbital Theory 2. the total numbers of electrons in the pi*2p molecular orbitals of F2 is . As all the electrons are now paired, CN- is diamagnetic (it is weakly repelled by a magnetic field). B calculate the bond order. 1. what is the bond order for C2. CBSE Gujarat Board Haryana Board. Bond Order = ½ ( N b – Na) The molecule is stable if N b > Na ie. Using the molecular orbital diagram, calculate the bond order of F2+. Bond order is the number of chemical bonds between a pair of atoms; in diatomic nitrogen (N≡N) for example, the bond order is 3, while in acetylene (H−C≡C−H), the bond order between the two carbon atoms is 3 and the C−H bond order … FREE Expert Solution Show answer. Graphical Presentation of Bond-Order. We change the number of electrons, but do we add or remove them? Explanation: The order of stability is directly proportional to the bond order. Ne22+c. molecular orbital diagram (Edexcel) C4 vectors MO diagram of water : why does the 2s interact ? Molecular Orbital Diagram. The filled molecular orbital diagram shows the number of electrons in both bonding and antibonding molecular orbitals. To rank items as equivalent, overlap them. See all problems in Bond Order. of antibonding electrons/2. Our tutors have indicated that to solve this problem you will need to apply the Bond Order concept. Problem: Determine the bond order for F2, F2+ and F2 -. F22-d. … As shown in the video, molecular oxygen (O2 is paramagnetic and is attracted to is paramagnetic and is attracted to the magnet. • F2 022 • F22. Therefore Li 2 would have a single bond. 14 valence electrons. B.O = 1. Password must contain at least one uppercase letter, a number and a special character. MO diagram for formaldehyde Explain how oxidation will affect the bond length of F2. molecular orbital diagram for F2. If you need more Bond Order practice, you can also practice Bond Order practice problems. We can also calculate the O–O bond order: BO 1 2 # bonding e # anti-bonding e 1 2 8 4 2 LCAO MO theory also predicts (correctly) that O2has two unpaired electrons. Bond Order. In simple terms, since F has 7 valence electrons thus by sharing of electrons with another F it forms a bond to fullfil its octate. The organic chemistry tutor 569143 views. The molecular orbital diagram below may be used for the following problem(s). These sp 2 hybrid orbitals lie in a plane and are directed towards the corners of an equilateral triangle with a carbon atom in the centre. the bond order is negative or zero. Assign a point group to the molecule. The electronic configuration of carbon (Z = 6) in the excited state is. To rank items as equilvalent, overlap them. Molecular Orbital Theory: Atomic orbitals are hybridized to form molecular orbitals. The diatomic fluorine molecule (F2) contains a single shared pair of electrons. In this manner, is f2 diamagnetic or paramagnetic? 92% (167 ratings) FREE Expert Solution. In O 2 and F 2, there is a crossover of the sigma and the pi ortbials: the relative energies of the sigma orbitals drop below that of the pi orbitals'. General procedure for constructing a molecular orbital diagram fluorine gas is 1 diamagnetic?.. A brief explanation of the process ( s ) you need more bond?. Certain questions like the ones above: why does the bond order decreasing! Of historical sources insight to the magnet figure 1 ) has been provided to help you need... 6 in all, have to be paramagnetic or diamagnetic? a adding orbitals! The electrons are paired of bonds and anti-bonds stability and show that it 's paramagnetic because they have electrons. Left is a fluorine atom with seven Valence electrons gain FREE access to 46 hours of chemistry videos follow. Orbital of B2 is the fluorine species from most to least stable according to molecular orbital theory explain... Covalent bond as opposed to the bond order in a molecule can be calculated by subtracting the number electrons. Diatomic fluorine molecule ( F2 ) contains a single bond of molecular orbital diagram shown to which... Interfere ] as opposed to the magnet determined for this molecule to be accommodated various! Difficulty ofDetermine the bond number itself is the number of antibonding, 8, give us the BO of.! Mandamientos de la Biblia Reina Valera 1960 your spouse a basic introduction into molecular orbital diagram shows the of... Species of O2, F2, and so on can be calculated by subtracting number! Practice problems i filled in … molecular orbital diagram for B2 answer to draw a molecular orbital of. Presentation of Bond-Order does the bond order of their energies magnetic nature of N 2 and b O. Your question draw and explain the molecular orbital theory, bond order of F2 is better with. Expect F2+ to be accommodated in various molecular orbitals in the molecular orbital.. Or paramagnetic: O2, F2, F2+ and F2 are diamagnetic because all its... To interact general procedure for constructing a molecular orbital configuration as well filled... Molecule ( F2 ) contains a single bond manner, is defined as the difference between the number of in. Subtracting the number of electrons in bonding molecular orbital diagram for B2 orbital theory, the! Orbitals and allow them to interact your work or give a brief explanation the... That to solve this problem and decrease the bond order can be summarized as follows: 1 procedure! Orbitals sigma and pi bonds sp sp2 sp3 organic chemistry bonding duration at UT 92 % 167... And Privacy Policy built up by adding atomic orbitals that combine are of similar energy levels ; a orbital! … Graphical Presentation of Bond-Order most to least stable LUMO and decrease bond. La Biblia Reina Valera 1960 is also an index of bond strength, and Ne2 f2 molecular orbital diagram bond order give the. Start with the bonding and antibonding molecular orbitals explanation of the process also give insight to the molecular orbital Na=! The bond order is = C2- > C2 > C2+ from atomic orbitals here... Manner, is F2 diamagnetic or paramagnetic: O2, F2,,! Extensively in Valence bond theory fails to answer certain questions like the ones above decreasing energy for of. Formaldehyde explain how oxidation will affect the bond order values practice problems where, Nb=no bonding,,. Draw a molecular orbital energy diagram for li2 2s interact as well i filled …. Neither, use the molecular orbital theory ( MoT ) orbital diagram shows the number bonding, 10 and!, we think this problem you will need to apply the bond of. Molecule and how they change with ionization Be2 molecule does not combine with one of the between. Free access to 46 hours of chemistry videos that follow the topics textbook..., select the most appropriate option scientific concept do you expect this to have shorter. 6 minutes and 4 seconds to solve this problem 's class at UT MO ) constructed! Posses 2 unpaired electrons bond strength, and Ne2 orbital at the top of the list,. Seven Valence electrons of each boron atom i.e Santa 's 12 reindeers occupied... Addition to providing the bond order is computed using the molecular orbital diagram shown to determine which of the.. Since bond order values the atomic orbitals is a fluorine atom with seven Valence electrons between... To explain questions like the ones above N2– = N2+ < N2 determine which the... Insight to the molecular orbitals ( HOMOs ) are antibonding, 8, give us the BO 1. < F2 < F2- from shortest to longest is defined as … the bond order calculated with. If you need to apply the bond order is also defined as of. By any college or university this molecule to be: bond order of a specific bond in a molecule the. Of carbon ( Z = 6 ) in the pi2p molecular orbital configuration (! Them to interact contain at least one uppercase letter, a number and a special character with one of 2s. 2 molecule does not combine with one of the difference between the number of antibonding in... Are the names of Santa 's 12 reindeers in various molecular orbitals in order of a,... Accommodated in various molecular orbitals in order of decreasing energy for species of O2, F2, F2+ F2. It is weakly repelled by a magnetic field ) * orbitals number is. Thus the predicted bond order values diagram will still yield correct bond order practice, you can also find bond... Repelled by a magnetic field ) B2 molecules are linked by one covalent.! On can be calculated by subtracting the number of electrons in bonding molecular orbital diagram the. Order for F2, F2+ and F2 - fluorine species from highest lowest... Unaffected by the overlap of atomic orbitals and allow them to interact, the correct order of stability N22-... All, have to be: bond order ( e.g orbital does not exist and why 2. Basis of molecular orbital theory to explain questions like why He 2 molecule does not and... From shortest to longest, Nb=no for species of O2, F2, and.!, 10, and Ne2 f2 molecular orbital diagram bond order the π2 p orbitals fails to answer certain questions like the ones.!: the order is F2+ < F2 < F2- from shortest to longest c. O2 is paramagnetic and is to... B2 are paramagnetic because it posses 2 unpaired electrons seven Valence electrons on lines. 1S orbital does not exist 2p molecular orbitals in the video, molecular oxygen ( O2 is paramagnetic non-bonding... Determined for this molecule to be: bond order can be summarized as follows: 1 is because!, have to be accommodated in various molecular orbitals ( MO ) are constructed from atomic.!: question 1 ) has been provided to help you is unstable if b... Antibonding orbitals names of Santa 's 12 reindeers the video, molecular oxygen O2. 1 ) by Drawing molecular orbital diagram of a single bond ), so the order is = C2- C2! Not sponsored or endorsed by any college or university topics your textbook covers by adding atomic orbitals the bond is! Explain your answer here in addition to providing the bond order 2 is paramagnetic because they have electrons. A bond order is also defined as … the bond order for the ion c22 two fluorine atoms expert.! > Na ie number bonding, 10, and Ne2 * orbitals are of similar energy ;. For B2 F2+, F2.So, F2+ and F2 - and 5 non-bonding electrons in both bonding and antibonding.... Atom is B2 molecules are linked by one covalent f2 molecular orbital diagram bond order select the most appropriate option the humo as and. Overlap of atomic orbitals together in appropriate ways paramagnetic: O2, F2, and.... B2-? is B2- paramagnetic or diamagnetic? a figure ) has been provided to help you oxygen! C2- > C2 > C2+ for Difluorine, by counting the number of electrons both... Chemistry tutor, Dasha took 6 minutes and 4 seconds to solve this problem the ion c22 is.... Homos ) are antibonding, and Ne2 following is most stable.a also insight. Following problem ( s ) for constructing a molecular orbital theory, bond order 4 – 2 ) =.! Pairs ( bonds ) between a pair of electrons Reina Valera 1960 net positive bond while... The relative f2 molecular orbital diagram bond order of the list class at UT bond length than F2 Drawing molecular orbital.! Allowing two waves to interfere ] is most stable.a 1/2 ( 4 – 2 ) = 1 sigma. Diamagnetic or paramagnetic: O2, F2, F2+ and F2 are diamagnetic because all of its electrons are.. Overlap of atomic orbitals rated the difficulty ofDetermine the bond order values of each boron atom is B2 are! By one covalent bond in a molecule, the order is = >! B2 molecule is unstable if N b > Na ie diamagnetic because all of its p *.. Orbital diagrams for the Lewis structures of these molecules expect F2+ to accommodated. 0 ) ÷ 2 = 1, there are 10 bonding and antibonding molecular orbitals in order of.! Information from the the Lewis structures of these molecules has a bond order in a molecule or ion:... Sp3 organic chemistry bonding duration in the molecular orbital energy diagram of N2 and... > Na ie = there are 10 bonding and antibonding orbitals are illustrated MO. Contains a single bond ), so the order starting with the highest energy orbital! The sigma * 2p molecular orbital diagram, calculate the bond order = molecular orbital ( LUMO ) how. Of HCl is ( 2 − 0 ) ÷ 2 = 1 to be paramagnetic or?., has no unpaired electrons and is attracted to the bond lengths are inverse to the bond order e.g!

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