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

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-131.351249
Energy at 298.15K-131.354286
HF Energy-131.065592
Nuclear repulsion energy62.461274
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 CID/3-21G*
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' 3317 3086 1.04      
2 A' 3226 3001 5.32      
3 A' 1672 1556 5.07      
4 A' 1571 1462 0.56      
5 A' 1251 1164 17.94      
6 A' 1082 1007 17.54      
7 A' 998 928 42.24      
8 A' 653 608 3.14      
9 A" 3329 3098 13.84      
10 A" 1145 1065 1.81      
11 A" 998 929 0.09      
12 A" 828 770 27.57      

Unscaled Zero Point Vibrational Energy (zpe) 10034.0 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 9336.7 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 CID/3-21G*
ABC
1.16944 0.69712 0.47958

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.895 -0.146 0.000
C2 0.000 0.756 0.000
C3 0.682 -0.562 0.000
H4 0.078 1.826 0.000
H5 1.046 -0.983 0.925
H6 1.046 -0.983 -0.925

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27011.63142.19882.30702.3070
C21.27011.48411.07342.23002.2300
C31.63141.48412.46381.07901.0790
H42.19881.07342.46383.11223.1122
H52.30702.23001.07903.11221.8491
H62.30702.23001.07903.11221.8491

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 72.169 N1 C2 H4 139.365
N1 C3 C2 47.831 N1 C3 H5 115.158
N1 C3 H6 115.158 C2 N1 C3 60.000
C2 C3 N1 47.831 C2 C3 H5 120.100
C2 C3 H6 120.100 C3 C2 H4 148.465
H5 C3 H6 117.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability