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

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-132.322593
Energy at 298.15K-132.325638
HF Energy-131.862041
Nuclear repulsion energy63.466578
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 QCISD/6-311G*
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' 3234 3096 1.57      
2 A' 3119 2986 19.93      
3 A' 1720 1646 8.44      
4 A' 1534 1468 0.31      
5 A' 1329 1272 8.67      
6 A' 1057 1012 0.03      
7 A' 1013 970 59.08      
8 A' 692 662 11.39      
9 A" 3211 3074 23.52      
10 A" 1126 1078 1.44      
11 A" 993 951 0.35      
12 A" 782 749 19.10      

Unscaled Zero Point Vibrational Energy (zpe) 9904.3 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 9482.4 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 QCISD/6-311G*
ABC
1.17997 0.73836 0.50064

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.869 -0.169 0.000
C2 0.000 0.748 0.000
C3 0.660 -0.535 0.000
H4 0.035 1.832 0.000
H5 1.041 -0.964 0.924
H6 1.041 -0.964 -0.924

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26251.57242.19502.26612.2661
C21.26251.44261.08472.20662.2066
C31.57241.44262.44781.08811.0881
H42.19501.08472.44783.11183.1118
H52.26612.20661.08813.11181.8489
H62.26612.20661.08813.11181.8489

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 70.722 N1 C2 H4 138.393
N1 C3 C2 49.278 N1 C3 H5 115.610
N1 C3 H6 115.610 C2 N1 C3 60.000
C2 C3 N1 49.278 C2 C3 H5 120.728
C2 C3 H6 120.728 C3 C2 H4 150.885
H5 C3 H6 116.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability