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

using model chemistry: CCSD(T)=FULL/aug-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 CCSD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-132.514075
Energy at 298.15K-132.517120
HF Energy-131.886892
Nuclear repulsion energy63.762310
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 CCSD(T)=FULL/aug-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' 3228 3111        
2 A' 3140 3026        
3 A' 1699 1638        
4 A' 1527 1471        
5 A' 1309 1262        
6 A' 1059 1021        
7 A' 1008 971        
8 A' 675 651        
9 A" 3206 3090        
10 A" 1115 1074        
11 A" 996 959        
12 A" 791 762        

Unscaled Zero Point Vibrational Energy (zpe) 9875.6 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 9517.1 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 CCSD(T)=FULL/aug-cc-pVTZ
ABC
1.18914 0.74587 0.50513

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.168 0.000
C2 0.000 0.745 0.000
C3 0.658 -0.533 0.000
H4 0.043 1.820 0.000
H5 1.034 -0.957 0.919
H6 1.034 -0.957 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25771.56632.18622.25262.2526
C21.25771.43711.07652.19312.1931
C31.56631.43712.43221.07981.0798
H42.18621.07652.43223.08863.0886
H52.25262.19311.07983.08861.8380
H62.25262.19311.07983.08861.8380

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 70.717 N1 C2 H4 138.838
N1 C3 C2 49.283 N1 C3 H5 115.482
N1 C3 H6 115.482 C2 N1 C3 60.000
C2 C3 N1 49.283 C2 C3 H5 120.574
C2 C3 H6 120.574 C3 C2 H4 150.445
H5 C3 H6 116.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability