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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-132.281573
Energy at 298.15K-132.284634
HF Energy-131.841200
Nuclear repulsion energy63.440914
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 MP2/6-31G**
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' 3322 3111 1.29      
2 A' 3206 3003 16.83      
3 A' 1682 1575 6.30      
4 A' 1560 1461 0.09      
5 A' 1333 1249 8.10      
6 A' 1078 1010 0.25      
7 A' 1032 966 44.17      
8 A' 699 654 8.12      
9 A" 3309 3099 21.93      
10 A" 1149 1076 1.62      
11 A" 1012 948 0.26      
12 A" 792 742 14.38      

Unscaled Zero Point Vibrational Energy (zpe) 10087.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 9446.8 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 MP2/6-31G**
ABC
1.16473 0.74590 0.50066

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.868 -0.179 0.000
C2 0.000 0.753 0.000
C3 0.659 -0.530 0.000
H4 0.039 1.830 0.000
H5 1.040 -0.956 0.919
H6 1.040 -0.956 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27361.56632.20482.25562.2556
C21.27361.44241.07812.20142.2014
C31.56631.44242.44061.08201.0820
H42.20481.07812.44063.09993.0999
H52.25562.20141.08203.09991.8375
H62.25562.20141.08203.09991.8375

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 70.122 N1 C2 H4 139.130
N1 C3 C2 49.878 N1 C3 H5 115.576
N1 C3 H6 115.576 C2 N1 C3 60.000
C2 C3 N1 49.878 C2 C3 H5 120.728
C2 C3 H6 120.728 C3 C2 H4 150.748
H5 C3 H6 116.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability