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

using model chemistry: CISD/6-31G

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/6-31G
 hartrees
Energy at 0K-132.040912
Energy at 298.15K-132.043952
HF Energy-131.750772
Nuclear repulsion energy62.592428
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/6-31G
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' 3329 3122 0.86      
2 A' 3211 3011 8.34      
3 A' 1712 1605 8.43      
4 A' 1577 1479 0.29      
5 A' 1301 1221 14.14      
6 A' 1109 1040 12.60      
7 A' 1033 969 45.19      
8 A' 638 598 6.62      
9 A" 3310 3104 21.46      
10 A" 1152 1080 1.27      
11 A" 997 935 0.01      
12 A" 813 763 26.14      

Unscaled Zero Point Vibrational Energy (zpe) 10091.5 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 9463.8 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/6-31G
ABC
1.16196 0.70834 0.48327

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.889 -0.157 0.000
C2 0.000 0.757 0.000
C3 0.676 -0.553 0.000
H4 0.062 1.833 0.000
H5 1.052 -0.979 0.922
H6 1.052 -0.979 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27531.61402.20612.30062.3006
C21.27531.47411.07772.22992.2299
C31.61401.47412.46351.08301.0830
H42.20611.07772.46353.12083.1208
H52.30062.22991.08303.12081.8433
H62.30062.22991.08303.12081.8433

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 71.475 N1 C2 H4 139.141
N1 C3 C2 48.525 N1 C3 H5 115.677
N1 C3 H6 115.677 C2 N1 C3 60.000
C2 C3 N1 48.525 C2 C3 H5 120.618
C2 C3 H6 120.618 C3 C2 H4 149.385
H5 C3 H6 116.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability