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

using model chemistry: MP2=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-132.454130
Energy at 298.15K-132.457186
HF Energy-131.884825
Nuclear repulsion energy63.823121
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=FULL/cc-pVTZ
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' 3279 3113 0.40      
2 A' 3179 3018 16.02      
3 A' 1667 1583 5.55      
4 A' 1528 1451 0.19      
5 A' 1308 1242 8.79      
6 A' 1058 1004 0.40      
7 A' 1009 958 51.32      
8 A' 688 653 9.37      
9 A" 3265 3100 11.96      
10 A" 1131 1074 1.52      
11 A" 1001 950 0.61      
12 A" 797 757 16.80      

Unscaled Zero Point Vibrational Energy (zpe) 9955.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9451.3 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 MP2=FULL/cc-pVTZ
ABC
1.18469 0.75112 0.50659

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.863 -0.174 0.000
C2 0.000 0.746 0.000
C3 0.657 -0.530 0.000
H4 0.036 1.819 0.000
H5 1.032 -0.949 0.918
H6 1.032 -0.949 -0.918

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26151.56142.18642.24372.2437
C21.26151.43511.07352.18642.1864
C31.56141.43512.42941.07641.0764
H42.18641.07352.42943.08143.0814
H52.24372.18641.07643.08141.8357
H62.24372.18641.07643.08141.8357

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 70.425 N1 C2 H4 138.756
N1 C3 C2 49.575 N1 C3 H5 115.327
N1 C3 H6 115.327 C2 N1 C3 60.000
C2 C3 N1 49.575 C2 C3 H5 120.373
C2 C3 H6 120.373 C3 C2 H4 150.819
H5 C3 H6 117.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability