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

using model chemistry: CISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-132.366975
Energy at 298.15K-132.370099
HF Energy-131.891370
Nuclear repulsion energy64.359062
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 CISD/Def2TZVPP
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' 3328 3328 0.38      
2 A' 3208 3208 21.23      
3 A' 1811 1811 13.33      
4 A' 1580 1580 0.20      
5 A' 1382 1382 9.71      
6 A' 1115 1115 0.55      
7 A' 1059 1059 52.73      
8 A' 746 746 15.18      
9 A" 3298 3298 17.41      
10 A" 1165 1165 2.23      
11 A" 1035 1035 0.15      
12 A" 849 849 17.03      

Unscaled Zero Point Vibrational Energy (zpe) 10287.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10287.1 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 CISD/Def2TZVPP
ABC
1.21398 0.75892 0.51495

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.857 -0.164 0.000
C2 0.000 0.736 0.000
C3 0.649 -0.529 0.000
H4 0.044 1.808 0.000
H5 1.032 -0.950 0.913
H6 1.032 -0.950 -0.913

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24321.54982.16882.24072.2407
C21.24321.42151.07312.17762.1776
C31.54981.42152.41381.07621.0762
H42.16881.07312.41383.06883.0688
H52.24072.17761.07623.06881.8265
H62.24072.17761.07623.06881.8265

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 70.767 N1 C2 H4 138.772
N1 C3 C2 49.233 N1 C3 H5 115.962
N1 C3 H6 115.962 C2 N1 C3 60.000
C2 C3 N1 49.233 C2 C3 H5 120.720
C2 C3 H6 120.720 C3 C2 H4 150.462
H5 C3 H6 116.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability