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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-209.462549
Energy at 298.15K 
HF Energy-208.848406
Nuclear repulsion energy161.697407
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 CISD/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3840 3553 67.73      
2 A1 3370 3118 0.35      
3 A1 3346 3097 5.84      
4 A1 1584 1466 10.33      
5 A1 1492 1381 5.85      
6 A1 1227 1135 3.27      
7 A1 1137 1052 16.54      
8 A1 1078 998 28.88      
9 A1 934 864 0.48      
10 A2 878 812 0.00      
11 A2 729 675 0.00      
12 A2 638 591 0.00      
13 B1 868 803 0.85      
14 B1 768 711 176.60      
15 B1 661 611 0.35      
16 B1 466 431 97.13      
17 B2 3363 3111 8.55      
18 B2 3335 3086 3.29      
19 B2 1665 1541 6.84      
20 B2 1549 1434 9.70      
21 B2 1371 1268 1.15      
22 B2 1216 1125 2.22      
23 B2 1119 1036 23.68      
24 B2 911 843 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 18772.3 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 17370.0 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 CISD/6-311G*
ABC
0.30800 0.30415 0.15303

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.116
H2 0.000 0.000 2.113
C3 0.000 1.117 0.330
C4 0.000 -1.117 0.330
C5 0.000 0.712 -0.977
C6 0.000 -0.712 -0.977
H7 0.000 2.102 0.760
H8 0.000 -2.102 0.760
H9 0.000 1.359 -1.837
H10 0.000 -1.359 -1.837

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N10.99691.36591.36592.21092.21092.13142.13143.25023.2502
H20.99692.10412.10413.17103.17102.49912.49914.17664.1766
C31.36592.10412.23371.36802.24791.07473.24712.17983.2895
C41.36592.10412.23372.24791.36803.24711.07473.28952.1798
C52.21093.17101.36802.24791.42442.22473.30691.07552.2421
C62.21093.17102.24791.36801.42443.30692.22472.24211.0755
H72.13142.49911.07473.24712.22473.30694.20302.70124.3263
H82.13142.49913.24711.07473.30692.22474.20304.32632.7012
H93.25024.17662.17983.28951.07552.24212.70124.32632.7173
H103.25024.17663.28952.17982.24211.07554.32632.70122.7173

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.940 N1 C3 H7 121.228
N1 C4 C6 107.940 N1 C4 H8 121.228
H2 N1 C3 125.146 H2 N1 C4 125.146
C3 N1 C4 109.708 C3 C5 C6 107.206
C3 C5 H9 125.845 C4 C6 C5 107.206
C4 C6 H10 125.845 C5 C3 H7 130.831
C5 C6 H10 126.949 C6 C4 H8 130.831
C6 C5 H9 126.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability