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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-209.581546
Energy at 298.15K 
HF Energy-208.846681
Nuclear repulsion energy160.515083
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 QCISD/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 3723 3564 56.45      
2 A1 3272 3132 0.37      
3 A1 3249 3111 5.92      
4 A1 1530 1465 8.54      
5 A1 1443 1382 4.97      
6 A1 1184 1134 2.93      
7 A1 1106 1059 13.00      
8 A1 1044 1000 28.36      
9 A1 903 865 0.30      
10 A2 795 761 0.00      
11 A2 670 641 0.00      
12 A2 599 574 0.00      
13 B1 795 761 3.33      
14 B1 723 692 173.70      
15 B1 632 605 0.50      
16 B1 402 385 85.93      
17 B2 3265 3126 8.54      
18 B2 3238 3100 3.00      
19 B2 1605 1537 6.05      
20 B2 1500 1436 10.39      
21 B2 1321 1265 1.00      
22 B2 1181 1131 1.82      
23 B2 1081 1035 22.26      
24 B2 881 844 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 18071.5 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 17301.6 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 QCISD/6-311G*
ABC
0.30366 0.29960 0.15081

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.124
H2 0.000 0.000 2.129
C3 0.000 1.126 0.332
C4 0.000 -1.126 0.332
C5 0.000 0.716 -0.985
C6 0.000 -0.716 -0.985
H7 0.000 2.117 0.767
H8 0.000 -2.117 0.767
H9 0.000 1.367 -1.851
H10 0.000 -1.367 -1.851

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00481.37601.37602.22682.22682.14672.14673.27373.2737
H21.00482.11982.11983.19463.19462.51682.51684.20774.2077
C31.37602.11982.25121.37932.26421.08253.27152.19653.3134
C41.37602.11982.25122.26421.37933.27151.08253.31342.1965
C52.22683.19461.37932.26421.43222.24313.33101.08342.2559
C62.22683.19462.26421.37931.43223.33102.24312.25591.0834
H72.14672.51681.08253.27152.24313.33104.23382.72344.3579
H82.14672.51683.27151.08253.33102.24314.23384.35792.7234
H93.27374.20772.19653.31341.08342.25592.72344.35792.7338
H103.27374.20773.31342.19652.25591.08344.35792.72342.7338

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.843 N1 C3 H7 121.198
N1 C4 C6 107.843 N1 C4 H8 121.198
H2 N1 C3 125.113 H2 N1 C4 125.113
C3 N1 C4 109.774 C3 C5 C6 107.270
C3 C5 H9 125.808 C4 C6 C5 107.270
C4 C6 H10 125.808 C5 C3 H7 130.959
C5 C6 H10 126.921 C6 C4 H8 130.959
C6 C5 H9 126.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability