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All results from a given calculation for CHNCH2 (2H-Azirine)

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 CS 1A'
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-132.273176
Energy at 298.15K-132.276248
HF Energy-131.836873
Nuclear repulsion energy63.590018
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 A' 3276 3100 1.52      
2 A' 3155 2986 18.40      
3 A' 1766 1672 7.49      
4 A' 1562 1478 0.04      
5 A' 1357 1284 7.23      
6 A' 1085 1027 0.42      
7 A' 1040 985 48.02      
8 A' 727 688 10.86      
9 A" 3242 3069 24.64      
10 A" 1148 1086 1.68      
11 A" 1010 956 0.14      
12 A" 791 749 16.55      

Unscaled Zero Point Vibrational Energy (zpe) 10079.1 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 9539.9 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
1.17898 0.74474 0.50309

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.866 -0.171 0.000
C2 0.000 0.747 0.000
C3 0.656 -0.532 0.000
H4 0.044 1.831 0.000
H5 1.044 -0.963 0.922
H6 1.044 -0.963 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26261.56412.19942.26362.2636
C21.26261.43731.08482.20512.2051
C31.56411.43732.44091.08901.0890
H42.19941.08482.44093.10733.1073
H52.26362.20511.08903.10731.8437
H62.26362.20511.08903.10731.8437

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.467 N1 C2 H4 138.972
N1 C3 C2 49.533 N1 C3 H5 115.963
N1 C3 H6 115.963 C2 N1 C3 60.000
C2 C3 N1 49.533 C2 C3 H5 120.970
C2 C3 H6 120.970 C3 C2 H4 150.561
H5 C3 H6 115.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability