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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-209.809590
Energy at 298.15K-209.815746
HF Energy-208.884260
Nuclear repulsion energy161.749587
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 MP2=FULL/cc-pVTZ
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 3713 3525 80.85      
2 A1 3327 3159 0.12      
3 A1 3304 3137 1.10      
4 A1 1523 1446 6.79      
5 A1 1449 1375 3.24      
6 A1 1189 1129 2.28      
7 A1 1119 1063 4.68      
8 A1 1056 1003 26.38      
9 A1 897 852 0.16      
10 A2 883 838 0.00      
11 A2 694 659 0.00      
12 A2 633 601 0.00      
13 B1 837 795 5.60      
14 B1 746 708 144.72      
15 B1 656 623 1.78      
16 B1 529 502 66.63      
17 B2 3318 3150 1.41      
18 B2 3294 3127 1.42      
19 B2 1572 1493 1.58      
20 B2 1497 1421 9.79      
21 B2 1322 1255 1.17      
22 B2 1179 1119 2.64      
23 B2 1076 1021 24.49      
24 B2 874 830 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 18343.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 17415.0 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 MP2=FULL/cc-pVTZ
ABC
0.30937 0.30319 0.15312

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.117
H2 0.000 0.000 2.118
C3 0.000 1.117 0.331
C4 0.000 -1.117 0.331
C5 0.000 0.709 -0.980
C6 0.000 -0.709 -0.980
H7 0.000 2.098 0.761
H8 0.000 -2.098 0.761
H9 0.000 1.350 -1.837
H10 0.000 -1.350 -1.837

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00141.36531.36532.21332.21332.12782.12783.24803.2480
H21.00142.10702.10703.17833.17832.49842.49844.17964.1796
C31.36532.10702.23361.37362.24771.07123.24332.18123.2849
C41.36532.10702.23362.24771.37363.24331.07123.28492.1812
C52.21333.17831.37362.24771.41712.22793.30291.07082.2303
C62.21333.17832.24771.37361.41713.30292.22792.23031.0708
H72.12782.49841.07123.24332.22793.30294.19582.70404.3179
H82.12782.49843.24331.07123.30292.22794.19584.31792.7040
H93.24804.17962.18123.28491.07082.23032.70404.31792.7009
H103.24804.17963.28492.18122.23031.07084.31792.70402.7009

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.822 N1 C3 H7 121.220
N1 C4 C6 107.822 N1 C4 H8 121.220
H2 N1 C3 125.113 H2 N1 C4 125.113
C3 N1 C4 109.775 C3 C5 C6 107.291
C3 C5 H9 125.878 C4 C6 C5 107.291
C4 C6 H10 125.878 C5 C3 H7 130.959
C5 C6 H10 126.831 C6 C4 H8 130.959
C6 C5 H9 126.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability