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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CISD/6-31G

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/6-31G
 hartrees
Energy at 0K-209.148629
Energy at 298.15K 
HF Energy-208.728333
Nuclear repulsion energy159.962245
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/6-31G
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 3789 3553 64.94      
2 A1 3352 3144 0.25      
3 A1 3323 3116 7.35      
4 A1 1556 1460 12.52      
5 A1 1479 1387 7.54      
6 A1 1210 1134 1.19      
7 A1 1133 1062 13.72      
8 A1 1072 1005 33.86      
9 A1 946 887 0.93      
10 A2 853 800 0.00      
11 A2 718 673 0.00      
12 A2 633 594 0.00      
13 B1 851 798 7.11      
14 B1 751 705 149.79      
15 B1 648 608 0.79      
16 B1 587 551 155.56      
17 B2 3342 3134 9.32      
18 B2 3310 3104 3.90      
19 B2 1653 1550 9.31      
20 B2 1525 1430 16.17      
21 B2 1383 1297 0.07      
22 B2 1224 1148 0.70      
23 B2 1121 1052 18.89      
24 B2 929 871 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 18692.8 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 17530.1 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/6-31G
ABC
0.30023 0.29845 0.14967

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.130
H2 0.000 0.000 2.132
C3 0.000 1.134 0.331
C4 0.000 -1.134 0.331
C5 0.000 0.719 -0.985
C6 0.000 -0.719 -0.985
H7 0.000 2.125 0.758
H8 0.000 -2.125 0.758
H9 0.000 1.362 -1.853
H10 0.000 -1.362 -1.853

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00181.38791.38792.23472.23472.15682.15683.27953.2795
H21.00182.12882.12883.19953.19952.52992.52994.21144.2114
C31.38792.12882.26901.38012.27371.07843.28692.19563.3168
C41.38792.12882.26902.27371.38013.28691.07843.31682.1956
C52.23473.19951.38012.27371.43902.23953.33611.07952.2550
C62.23473.19952.27371.38011.43903.33612.23952.25501.0795
H72.15682.52991.07843.28692.23953.33614.24902.72054.3560
H82.15682.52993.28691.07843.33612.23954.24904.35602.7205
H93.27954.21142.19563.31681.07952.25502.72054.35602.7239
H103.27954.21143.31682.19562.25501.07954.35602.72052.7239

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.673 N1 C3 H7 121.467
N1 C4 C6 107.673 N1 C4 H8 121.467
H2 N1 C3 125.172 H2 N1 C4 125.172
C3 N1 C4 109.657 C3 C5 C6 107.499
C3 C5 H9 125.982 C4 C6 C5 107.499
C4 C6 H10 125.982 C5 C3 H7 130.860
C5 C6 H10 126.519 C6 C4 H8 130.860
C6 C5 H9 126.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability