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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP4=FULL/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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-209.562572
Energy at 298.15K 
HF Energy-208.805129
Nuclear repulsion energy160.323013
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 MP4=FULL/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 3667 3526        
2 A1 3280 3154        
3 A1 3258 3133        
4 A1 1525 1467        
5 A1 1451 1395        
6 A1 1177 1132        
7 A1 1119 1076        
8 A1 1053 1013        
9 A1 897 862        
10 A2 786 755        
11 A2 642 617        
12 A2 590 568        
13 B1 773 743        
14 B1 708 681        
15 B1 630 606        
16 B1 421 405        
17 B2 3274 3148        
18 B2 3247 3123        
19 B2 1593 1532        
20 B2 1494 1436        
21 B2 1324 1273        
22 B2 1185 1139        
23 B2 1085 1043        
24 B2 875 841        

Unscaled Zero Point Vibrational Energy (zpe) 18026.2 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17334.0 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 MP4=FULL/6-31G*
ABC
0.30329 0.29875 0.15050

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.125
H2 0.000 0.000 2.136
C3 0.000 1.128 0.333
C4 0.000 -1.128 0.333
C5 0.000 0.713 -0.986
C6 0.000 -0.713 -0.986
H7 0.000 2.120 0.771
H8 0.000 -2.120 0.771
H9 0.000 1.364 -1.854
H10 0.000 -1.364 -1.854

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01161.37851.37852.22792.22792.14922.14923.27633.2763
H21.01162.12732.12733.20263.20262.52152.52154.21714.2171
C31.37852.12732.25671.38252.26521.08413.27772.19963.3160
C41.37852.12732.25672.26521.38253.27771.08413.31602.1996
C52.22793.20261.38252.26521.42692.25063.33391.08502.2518
C62.22793.20262.26521.38251.42693.33392.25062.25181.0850
H72.14922.52151.08413.27772.25063.33394.23992.73174.3624
H82.14922.52153.27771.08413.33392.25064.23994.36242.7317
H93.27634.21712.19963.31601.08502.25182.73174.36242.7285
H103.27634.21713.31602.19962.25181.08504.36242.73172.7285

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.595 N1 C3 H7 121.097
N1 C4 C6 107.595 N1 C4 H8 121.097
H2 N1 C3 125.061 H2 N1 C4 125.061
C3 N1 C4 109.879 C3 C5 C6 107.466
C3 C5 H9 125.677 C4 C6 C5 107.466
C4 C6 H10 125.677 C5 C3 H7 131.308
C5 C6 H10 126.858 C6 C4 H8 131.308
C6 C5 H9 126.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability