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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-132.336778
Energy at 298.15K-132.339837
HF Energy-131.877776
Nuclear repulsion energy63.575044
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/TZVP
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' 3292 3121 1.02      
2 A' 3172 3007 16.25      
3 A' 1665 1578 5.71      
4 A' 1539 1459 0.03      
5 A' 1309 1241 8.89      
6 A' 1075 1019 0.28      
7 A' 1022 969 50.83      
8 A' 674 639 9.71      
9 A" 3275 3105 15.37      
10 A" 1142 1082 1.70      
11 A" 998 946 0.27      
12 A" 817 774 17.50      

Unscaled Zero Point Vibrational Energy (zpe) 9990.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 9469.7 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/TZVP
ABC
1.17845 0.74367 0.50247

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.867 -0.172 0.000
C2 0.000 0.748 0.000
C3 0.660 -0.533 0.000
H4 0.036 1.826 0.000
H5 1.035 -0.957 0.922
H6 1.035 -0.957 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26461.56892.19242.25432.2543
C21.26461.44101.07792.19732.1973
C31.56891.44102.43951.08161.0816
H42.19241.07792.43953.09673.0967
H52.25432.19731.08163.09671.8432
H62.25432.19731.08163.09671.8432

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 70.538 N1 C2 H4 138.627
N1 C3 C2 49.462 N1 C3 H5 115.306
N1 C3 H6 115.306 C2 N1 C3 60.000
C2 C3 N1 49.462 C2 C3 H5 120.492
C2 C3 H6 120.492 C3 C2 H4 150.835
H5 C3 H6 116.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability