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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-208.888613
Energy at 298.15K-208.893353
HF Energy-208.204799
Nuclear repulsion energy151.272068
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 3344 3136 1.45      
2 A1 3301 3095 2.76      
3 A1 1665 1561 3.95      
4 A1 1520 1425 28.49      
5 A1 1266 1187 4.04      
6 A1 1144 1073 35.27      
7 A1 1088 1020 0.16      
8 A1 905 848 11.47      
9 A2 878 823 0.00      
10 A2 869 815 0.00      
11 A2 506 474 0.00      
12 B1 862 808 0.05      
13 B1 726 680 56.44      
14 B1 573 537 23.08      
15 B2 11310 10604 0.00      
16 B2 3319 3112 63.33      
17 B2 3293 3087 147.71      
18 B2 1357 1272 2.53      
19 B2 1331 1248 196.88      
20 B2 1048 983 21.57      
21 B2 894 839 37.91      

Unscaled Zero Point Vibrational Energy (zpe) 20598.6 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 19313.3 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
0.33505 0.29498 0.15687

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 1.058 0.424
C3 0.000 -1.058 0.424
C4 0.000 0.681 -0.982
C5 0.000 -0.681 -0.982
H6 0.000 2.065 0.816
H7 0.000 -2.065 0.816
H8 0.000 1.355 -1.823
H9 0.000 -1.355 -1.823

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33901.33902.32892.32892.10932.10933.35373.3537
C21.33902.11631.45602.23701.08063.14792.26683.2974
C31.33902.11632.23701.45603.14791.08063.29742.2668
C42.32891.45602.23701.36282.26903.28291.07732.2030
C52.32892.23701.45601.36283.28292.26902.20301.0773
H62.10931.08063.14792.26903.28294.13052.73294.3199
H72.10933.14791.08063.28292.26904.13054.31992.7329
H83.35372.26683.29741.07732.20302.73294.31992.7097
H93.35373.29742.26682.20301.07734.31992.73292.7097

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 112.794 N1 C2 H6 120.957
N1 C3 C5 112.794 N1 C3 H7 120.957
C2 N1 C3 104.419 C2 C4 C5 104.997
C2 C4 H8 126.311 C3 C5 C4 104.997
C3 C5 H9 126.311 C4 C2 H6 126.249
C4 C5 H9 128.692 C5 C3 H7 126.249
C5 C4 H8 128.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability