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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-132.295040
Energy at 298.15K-132.298063
HF Energy-131.835301
Nuclear repulsion energy63.237960
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)/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' 3242 3119        
2 A' 3131 3012        
3 A' 1702 1637        
4 A' 1541 1483        
5 A' 1321 1271        
6 A' 1058 1018        
7 A' 1015 976        
8 A' 684 658        
9 A" 3219 3097        
10 A" 1128 1085        
11 A" 989 952        
12 A" 760 732        

Unscaled Zero Point Vibrational Energy (zpe) 9894.4 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 9519.4 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 CCSD(T)/6-31G*
ABC
1.16504 0.73690 0.49725

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.871 -0.174 0.000
C2 0.000 0.752 0.000
C3 0.661 -0.535 0.000
H4 0.041 1.839 0.000
H5 1.047 -0.965 0.924
H6 1.047 -0.965 -0.924

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27151.57402.20922.27202.2720
C21.27151.44671.08702.21382.2138
C31.57401.44672.45291.09051.0905
H42.20921.08702.45293.11913.1191
H52.27202.21381.09053.11911.8487
H62.27202.21381.09053.11911.8487

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 70.432 N1 C2 H4 138.882
N1 C3 C2 49.568 N1 C3 H5 115.823
N1 C3 H6 115.823 C2 N1 C3 60.000
C2 C3 N1 49.568 C2 C3 H5 120.869
C2 C3 H6 120.869 C3 C2 H4 150.686
H5 C3 H6 115.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability