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

using model chemistry: MP2/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.407750
Energy at 298.15K-132.410793
HF Energy-131.883288
Nuclear repulsion energy63.635281
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 MP2/6-311+G(3df,2p)
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' 3263 3079 0.47      
2 A' 3152 2974 15.27      
3 A' 1654 1561 5.57      
4 A' 1517 1431 0.37      
5 A' 1302 1228 7.39      
6 A' 1052 992 0.27      
7 A' 1003 947 50.12      
8 A' 684 646 10.49      
9 A" 3257 3072 10.51      
10 A" 1123 1059 1.62      
11 A" 995 938 0.73      
12 A" 787 743 17.52      

Unscaled Zero Point Vibrational Energy (zpe) 9894.6 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 9334.6 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 MP2/6-311+G(3df,2p)
ABC
1.17804 0.74678 0.50378

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.175 0.000
C2 0.000 0.748 0.000
C3 0.659 -0.531 0.000
H4 0.033 1.827 0.000
H5 1.034 -0.955 0.921
H6 1.034 -0.955 -0.921

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26481.56512.19332.25012.2501
C21.26481.43861.07892.19512.1951
C31.56511.43862.43901.08131.0813
H42.19331.07892.43903.09653.0965
H52.25012.19511.08133.09651.8426
H62.25012.19511.08133.09651.8426

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 70.414 N1 C2 H4 138.584
N1 C3 C2 49.586 N1 C3 H5 115.254
N1 C3 H6 115.254 C2 N1 C3 60.000
C2 C3 N1 49.586 C2 C3 H5 120.506
C2 C3 H6 120.506 C3 C2 H4 151.002
H5 C3 H6 116.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability