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All results from a given calculation for C4H4N (pyrrolide radical)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-208.856085
Energy at 298.15K-208.860793
HF Energy-208.197074
Nuclear repulsion energy151.113824
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/6-31G*
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 3296 3119 1.17      
2 A1 3257 3082 2.35      
3 A1 1657 1569 2.86      
4 A1 1512 1431 27.60      
5 A1 1263 1196 4.02      
6 A1 1138 1078 40.10      
7 A1 1087 1029 0.02      
8 A1 905 857 11.51      
9 A2 861 815 0.00      
10 A2 857 811 0.00      
11 A2 506 479 0.00      
12 B1 853 807 0.00      
13 B1 717 678 63.68      
14 B1 571 540 24.57      
15 B2 11378 10769 0.00      
16 B2 3271 3096 110.98      
17 B2 3249 3076 147.65      
18 B2 1344 1273 0.85      
19 B2 1321 1250 244.88      
20 B2 1046 990 8.85      
21 B2 894 847 61.34      

Unscaled Zero Point Vibrational Energy (zpe) 20491.4 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 19395.1 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/6-31G*
ABC
0.33433 0.29463 0.15661

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.245
C2 0.000 1.059 0.424
C3 0.000 -1.059 0.424
C4 0.000 0.682 -0.982
C5 0.000 -0.682 -0.982
H6 0.000 2.071 0.820
H7 0.000 -2.071 0.820
H8 0.000 1.359 -1.828
H9 0.000 -1.359 -1.828

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33951.33952.32922.32922.11382.11383.36023.3602
C21.33952.11751.45642.23791.08683.15452.27263.3046
C31.33952.11752.23791.45643.15451.08683.30462.2726
C42.32921.45642.23791.36332.27603.29031.08372.2092
C52.32922.23791.45641.36333.29032.27602.20921.0837
H62.11381.08683.15452.27603.29034.14162.74274.3336
H72.11383.15451.08683.29032.27604.14164.33362.7427
H83.36022.27263.30461.08372.20922.74274.33362.7183
H93.36023.30462.27262.20921.08374.33362.74272.7183

picture of pyrrolide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 112.766 N1 C2 H6 120.851
N1 C3 C5 112.766 N1 C3 H7 120.851
C2 N1 C3 104.454 C2 C4 C5 105.007
C2 C4 H8 126.302 C3 C5 C4 105.007
C3 C5 H9 126.302 C4 C2 H6 126.383
C4 C5 H9 128.692 C5 C3 H7 126.383
C5 C4 H8 128.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability