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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G2
 hartrees
Energy at 0K-132.447284
Energy at 298.15K-132.443185
HF Energy-131.840330
Nuclear repulsion energy64.844414
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 HF/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' 3423 3225 3.12      
2 A' 3282 3092 33.26      
3 A' 1935 1823 26.34      
4 A' 1668 1572 0.10      
5 A' 1463 1379 13.32      
6 A' 1181 1113 1.33      
7 A' 1123 1058 56.05      
8 A' 794 748 18.33      
9 A" 3362 3167 40.14      
10 A" 1224 1153 2.90      
11 A" 1085 1023 0.02      
12 A" 894 842 13.09      

Unscaled Zero Point Vibrational Energy (zpe) 10716.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 10097.3 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 MP2=FULL/6-31G*
ABC
1.16535 0.74543 0.50087

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.867 -0.179 0.000
C2 0.000 0.752 0.000
C3 0.658 -0.530 0.000
H4 0.036 1.835 0.000
H5 1.041 -0.959 0.922
H6 1.041 -0.959 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27221.56532.20672.25782.2578
C21.27221.44131.08292.20482.2048
C31.56531.44132.44481.08621.0862
H42.20671.08292.44483.10843.1084
H52.25782.20481.08623.10841.8431
H62.25782.20481.08623.10841.8431

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 68.128 N1 C2 H4 139.930
N1 C3 C2 49.331 N1 C3 H5 116.848
N1 C3 H6 116.848 C2 N1 C3 62.541
C2 C3 N1 49.331 C2 C3 H5 120.983
C2 C3 H6 120.983 C3 C2 H4 151.942
H5 C3 H6 115.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability