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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CCD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-209.739232
Energy at 298.15K 
HF Energy-208.882076
Nuclear repulsion energy161.395010
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 CCD/6-311+G(3df,2p)
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 3748 3535 82.16      
2 A1 3302 3114 0.09      
3 A1 3281 3094 1.71      
4 A1 1537 1449 13.79      
5 A1 1446 1364 4.64      
6 A1 1191 1123 3.49      
7 A1 1108 1045 13.01      
8 A1 1050 991 26.64      
9 A1 907 856 0.35      
10 A2 898 847 0.00      
11 A2 723 682 0.00      
12 A2 628 593 0.00      
13 B1 868 818 0.25      
14 B1 751 708 158.58      
15 B1 647 610 0.10      
16 B1 476 449 77.04      
17 B2 3295 3107 2.19      
18 B2 3270 3084 2.10      
19 B2 1607 1516 1.33      
20 B2 1497 1412 11.76      
21 B2 1338 1262 1.07      
22 B2 1180 1113 1.76      
23 B2 1087 1025 19.30      
24 B2 878 828 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 18356.0 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 17311.5 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 CCD/6-311+G(3df,2p)
ABC
0.30697 0.30294 0.15247

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311+G(3df,2p)

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 2.119
C3 0.000 1.120 0.331
C4 0.000 -1.120 0.331
C5 0.000 0.712 -0.980
C6 0.000 -0.712 -0.980
H7 0.000 2.105 0.764
H8 0.000 -2.105 0.764
H9 0.000 1.360 -1.839
H10 0.000 -1.360 -1.839

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00161.36811.36812.21432.21432.13412.13413.25443.2544
H21.00162.10942.10943.17903.17902.50302.50304.18524.1852
C31.36812.10942.23921.37222.25221.07623.25332.18353.2954
C41.36812.10942.23922.25221.37223.25331.07623.29542.1835
C52.21433.17901.37222.25221.42442.23133.31281.07672.2438
C62.21433.17902.25221.37221.42443.31282.23132.24381.0767
H72.13412.50301.07623.25332.23133.31284.20942.70774.3340
H82.13412.50303.25331.07623.31282.23134.20944.33402.7077
H93.25444.18522.18353.29541.07672.24382.70774.33402.7206
H103.25444.18523.29542.18352.24381.07674.33402.70772.7206

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.809 N1 C3 H7 121.187
N1 C4 C6 107.809 N1 C4 H8 121.187
H2 N1 C3 125.079 H2 N1 C4 125.079
C3 N1 C4 109.843 C3 C5 C6 107.270
C3 C5 H9 125.725 C4 C6 C5 107.270
C4 C6 H10 125.725 C5 C3 H7 131.004
C5 C6 H10 127.005 C6 C4 H8 131.004
C6 C5 H9 127.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability