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

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-132.302613
Energy at 298.15K-132.305699
HF Energy-131.846723
Nuclear repulsion energy63.702160
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 MP3/6-31+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' 3335 3103 0.63      
2 A' 3211 2988 19.13      
3 A' 1791 1666 10.38      
4 A' 1576 1466 0.13      
5 A' 1363 1268 8.09      
6 A' 1099 1022 0.31      
7 A' 1047 975 51.04      
8 A' 724 674 11.85      
9 A" 3304 3074 20.78      
10 A" 1150 1070 2.03      
11 A" 1012 942 0.26      
12 A" 801 746 20.81      

Unscaled Zero Point Vibrational Energy (zpe) 10205.6 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 9496.3 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 MP3/6-31+G**
ABC
1.18614 0.74524 0.50407

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.866 -0.169 0.000
C2 0.000 0.746 0.000
C3 0.657 -0.533 0.000
H4 0.044 1.822 0.000
H5 1.041 -0.958 0.917
H6 1.041 -0.958 -0.917

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26011.56592.18912.25872.2587
C21.26011.43761.07682.19732.1973
C31.56591.43762.43321.08131.0813
H42.18911.07682.43323.09243.0924
H52.25872.19731.08133.09241.8339
H62.25872.19731.08133.09241.8339

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 70.614 N1 C2 H4 138.890
N1 C3 C2 49.386 N1 C3 H5 115.922
N1 C3 H6 115.922 C2 N1 C3 60.000
C2 C3 N1 49.386 C2 C3 H5 120.802
C2 C3 H6 120.802 C3 C2 H4 150.496
H5 C3 H6 115.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability