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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-209.619303
Energy at 298.15K 
HF Energy-208.858571
Nuclear repulsion energy160.608634
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3731 3731 71.52      
2 A1 3293 3293 0.31      
3 A1 3270 3270 4.12      
4 A1 1532 1532 10.96      
5 A1 1442 1442 4.61      
6 A1 1185 1185 3.63      
7 A1 1105 1105 12.63      
8 A1 1044 1044 24.99      
9 A1 902 902 0.22      
10 A2 827 827 0.00      
11 A2 690 690 0.00      
12 A2 597 597 0.00      
13 B1 824 824 1.00      
14 B1 731 731 151.95      
15 B1 633 633 0.04      
16 B1 410 410 77.33      
17 B2 3286 3286 6.00      
18 B2 3259 3259 2.78      
19 B2 1603 1603 3.88      
20 B2 1498 1498 9.84      
21 B2 1323 1323 1.16      
22 B2 1176 1176 1.77      
23 B2 1081 1081 19.10      
24 B2 879 879 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 18161.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18161.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD/6-311G**
ABC
0.30397 0.29995 0.15097

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.123
H2 0.000 0.000 2.128
C3 0.000 1.125 0.332
C4 0.000 -1.125 0.332
C5 0.000 0.716 -0.984
C6 0.000 -0.716 -0.984
H7 0.000 2.114 0.768
H8 0.000 -2.114 0.768
H9 0.000 1.366 -1.849
H10 0.000 -1.366 -1.849

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00481.37511.37512.22552.22552.14392.14393.27043.2704
H21.00482.11882.11883.19333.19332.51382.51384.20454.2045
C31.37512.11882.25051.37892.26361.08063.26872.19453.3109
C41.37512.11882.25052.26361.37893.26871.08063.31092.1945
C52.22553.19331.37892.26361.43182.24183.32871.08142.2538
C62.22553.19332.26361.37891.43183.32872.24182.25381.0814
H72.14392.51381.08063.26872.24183.32874.22862.72184.3539
H82.14392.51383.26871.08063.32872.24184.22864.35392.7218
H93.27044.20452.19453.31091.08142.25382.72184.35392.7310
H103.27044.20453.31092.19452.25381.08144.35392.72182.7310

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.814 N1 C3 H7 121.151
N1 C4 C6 107.814 N1 C4 H8 121.151
H2 N1 C3 125.085 H2 N1 C4 125.085
C3 N1 C4 109.830 C3 C5 C6 107.271
C3 C5 H9 125.806 C4 C6 C5 107.271
C4 C6 H10 125.806 C5 C3 H7 131.035
C5 C6 H10 126.923 C6 C4 H8 131.035
C6 C5 H9 126.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability