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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-132.229491
Energy at 298.15K-132.232181
HF Energy-131.786237
Nuclear repulsion energy62.920502
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 MP2/6-31+G**
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' 3432 3228 3.34      
2 A' 3428 3225 6.14      
3 A' 1757 1653 9.14      
4 A' 1364 1283 11.69      
5 A' 1092 1027 2.42      
6 A' 905 851 29.51      
7 A' 536 504 97.51      
8 A" 3375 3174 16.34      
9 A" 1164 1095 47.81      
10 A" 991 932 13.61      
11 A" 720 677 9.35      
12 A" 533 502 4.76      

Unscaled Zero Point Vibrational Energy (zpe) 9648.9 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 9075.7 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 MP2/6-31+G**
ABC
1.04537 0.80340 0.47645

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.032 0.901 0.000
C2 -0.032 -0.479 0.644
C3 -0.032 -0.479 -0.644
H4 0.938 1.233 0.000
H5 -0.167 -0.898 1.622
H6 -0.167 -0.898 -1.622

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52251.52251.02482.42552.4255
C21.52251.28852.07001.07212.3084
C31.52251.28852.07002.30841.0721
H41.02482.07002.07002.89672.8967
H52.42551.07212.30842.89673.2435
H62.42552.30841.07212.89673.2435

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 64.967 N1 C2 H5 137.721
N1 C3 C2 64.967 N1 C3 H6 137.721
C2 N1 C3 50.066 C2 N1 H4 107.085
C2 C3 H6 155.752 C3 N1 H4 107.085
C3 C2 H5 155.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability