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For the formaldehyde molecule, H2CO having C2v symmetry with the character table as given below,

the reducible representation Γ3N (or Γtot) is Γ3N = 4A1 + A2 + 4B1 + 3B2. The reducible representation for the vibrational modes alone, namely Γvib will be
  • a)
    4A1 + 2B2
  • b)
    3A1 + 2B1 + B2
  • c)
    3A1 + B1 + 2B2
  • d)
    4A1 + B1 + B2
Correct answer is option 'B'. Can you explain this answer?
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For the formaldehyde molecule, H2CO having C2vsymmetry with the charac...
  • For the formaldehyde molecule, H2CO having C2v symmetry with the character table as given below,
  • Given, the reducible representation Γ3N (or Γtot) is
Γ3N = 4A1 + A+ 4B1 + 3B2
  • The reducible representation for the translational motion are A1 + B1 + B
  • Now, the reducible representation for the rotational motion are A2 + B1 + B2
  • Thus, the reducible representation for the vibrational modes alone, namely Γvib will be
Γvib = Γ3N - (Γtrans + Γrot)
Γvib = 4A1 + A2 + 4B+ 3B2 - (A1 + B1 + B2 + A2 + B+ B2)
= 4A1 + A2 + 4B1 + 3B2 - (A1 + 2B1 + 2B2 + A2)
= 3A+ 2B1 + B2  
Hence, Γvib will be 3A1 + 2B1 + B
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For the formaldehyde molecule, H2CO having C2vsymmetry with the character table as given below,the reducible representation Γ3N(or Γtot) is Γ3N= 4A1+ A2+ 4B1+ 3B2. The reducible representation for the vibrational modes alone,namely Γvibwill bea)4A1+ 2B2b)3A1+ 2B1+ B2c)3A1 + B1 + 2B2d)4A1 + B1 + B2Correct answer is option 'B'. Can you explain this answer?
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For the formaldehyde molecule, H2CO having C2vsymmetry with the character table as given below,the reducible representation Γ3N(or Γtot) is Γ3N= 4A1+ A2+ 4B1+ 3B2. The reducible representation for the vibrational modes alone,namely Γvibwill bea)4A1+ 2B2b)3A1+ 2B1+ B2c)3A1 + B1 + 2B2d)4A1 + B1 + B2Correct answer is option 'B'. Can you explain this answer? for UGC NET 2024 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about For the formaldehyde molecule, H2CO having C2vsymmetry with the character table as given below,the reducible representation Γ3N(or Γtot) is Γ3N= 4A1+ A2+ 4B1+ 3B2. The reducible representation for the vibrational modes alone,namely Γvibwill bea)4A1+ 2B2b)3A1+ 2B1+ B2c)3A1 + B1 + 2B2d)4A1 + B1 + B2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UGC NET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For the formaldehyde molecule, H2CO having C2vsymmetry with the character table as given below,the reducible representation Γ3N(or Γtot) is Γ3N= 4A1+ A2+ 4B1+ 3B2. The reducible representation for the vibrational modes alone,namely Γvibwill bea)4A1+ 2B2b)3A1+ 2B1+ B2c)3A1 + B1 + 2B2d)4A1 + B1 + B2Correct answer is option 'B'. Can you explain this answer?.
Solutions for For the formaldehyde molecule, H2CO having C2vsymmetry with the character table as given below,the reducible representation Γ3N(or Γtot) is Γ3N= 4A1+ A2+ 4B1+ 3B2. The reducible representation for the vibrational modes alone,namely Γvibwill bea)4A1+ 2B2b)3A1+ 2B1+ B2c)3A1 + B1 + 2B2d)4A1 + B1 + B2Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for UGC NET. Download more important topics, notes, lectures and mock test series for UGC NET Exam by signing up for free.
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