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

using model chemistry: CCSD/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/cc-pVTZ
 hartrees
Energy at 0K-132.423680
Energy at 298.15K-132.426751
HF Energy-131.885295
Nuclear repulsion energy63.820642
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/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' 3255 3063 0.57      
2 A' 3140 2956 19.47      
3 A' 1734 1632 9.46      
4 A' 1535 1445 0.17      
5 A' 1333 1255 9.26      
6 A' 1072 1009 0.13      
7 A' 1021 961 50.91      
8 A' 705 664 11.46      
9 A" 3230 3040 17.08      
10 A" 1128 1061 1.84      
11 A" 1001 942 0.33      
12 A" 800 753 17.21      

Unscaled Zero Point Vibrational Energy (zpe) 9975.8 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 9389.3 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 CCSD/cc-pVTZ
ABC
1.19236 0.74686 0.50619

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.167 0.000
C2 0.000 0.743 0.000
C3 0.656 -0.533 0.000
H4 0.043 1.821 0.000
H5 1.037 -0.956 0.919
H6 1.037 -0.956 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25551.56382.18522.25512.2551
C21.25551.43471.07832.19292.1929
C31.56381.43472.43201.08151.0815
H42.18521.07832.43203.08943.0894
H52.25512.19291.08153.08941.8384
H62.25512.19291.08153.08941.8384

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 70.725 N1 C2 H4 138.760
N1 C3 C2 49.274 N1 C3 H5 115.761
N1 C3 H6 115.761 C2 N1 C3 60.000
C2 C3 N1 49.274 C2 C3 H5 120.622
C2 C3 H6 120.622 C3 C2 H4 150.514
H5 C3 H6 116.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability