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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP3=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/3-21G
 hartrees
Energy at 0K-208.129126
Energy at 298.15K 
HF Energy-207.644541
Nuclear repulsion energy159.309522
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 MP3=FULL/3-21G
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 3654 3654 66.51      
2 A1 3303 3303 0.15      
3 A1 3276 3276 4.30      
4 A1 1504 1504 4.90      
5 A1 1409 1409 11.00      
6 A1 1174 1174 0.04      
7 A1 1094 1094 16.53      
8 A1 1034 1034 24.31      
9 A1 937 937 0.71      
10 A2 821 821 0.00      
11 A2 703 703 0.00      
12 A2 625 625 0.00      
13 B1 827 827 2.91      
14 B1 734 734 142.06      
15 B1 645 645 0.00      
16 B1 578 578 134.22      
17 B2 3292 3292 6.11      
18 B2 3265 3265 1.69      
19 B2 1591 1591 10.26      
20 B2 1466 1466 16.27      
21 B2 1353 1353 0.25      
22 B2 1191 1191 0.02      
23 B2 1079 1079 18.31      
24 B2 923 923 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 18237.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18237.2 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 MP3=FULL/3-21G
ABC
0.29799 0.29572 0.14843

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.137
H2 0.000 0.000 2.146
C3 0.000 1.139 0.331
C4 0.000 -1.139 0.331
C5 0.000 0.722 -0.990
C6 0.000 -0.722 -0.990
H7 0.000 2.132 0.755
H8 0.000 -2.132 0.755
H9 0.000 1.363 -1.858
H10 0.000 -1.363 -1.858

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00881.39591.39592.24622.24622.16562.16563.29163.2916
H21.00882.14322.14323.21793.21792.54532.54534.23054.2305
C31.39592.14322.27881.38512.28221.07923.29852.20103.3254
C41.39592.14322.27882.28221.38513.29851.07923.32542.2010
C52.24623.21791.38512.28221.44382.24333.34491.08002.2591
C62.24623.21792.28221.38511.44383.34492.24332.25911.0800
H72.16562.54531.07923.29852.24333.34494.26332.72454.3644
H82.16562.54533.29851.07923.34492.24334.26334.36442.7245
H93.29164.23052.20103.32541.08002.25912.72454.36442.7268
H103.29164.23053.32542.20102.25911.08004.36442.72452.7268

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.747 N1 C3 H7 121.554
N1 C4 C6 107.747 N1 C4 H8 121.554
H2 N1 C3 125.289 H2 N1 C4 125.289
C3 N1 C4 109.422 C3 C5 C6 107.542
C3 C5 H9 126.019 C4 C6 C5 107.542
C4 C6 H10 126.019 C5 C3 H7 130.699
C5 C6 H10 126.439 C6 C4 H8 130.699
C6 C5 H9 126.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability