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

using model chemistry: CCSD(T)/cc-pVDZ

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)/cc-pVDZ
 hartrees
Energy at 0K-132.321009
Energy at 298.15K-132.324010
HF Energy-131.845153
Nuclear repulsion energy62.838095
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)/cc-pVDZ
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 3159        
2 A' 3119 3053        
3 A' 1675 1640        
4 A' 1495 1463        
5 A' 1305 1277        
6 A' 1027 1005        
7 A' 983 963        
8 A' 658 644        
9 A" 3217 3148        
10 A" 1095 1071        
11 A" 966 946        
12 A" 757 740        

Unscaled Zero Point Vibrational Energy (zpe) 9761.4 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9554.4 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)/cc-pVDZ
ABC
1.15256 0.72612 0.49109

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.877 -0.173 0.000
C2 0.000 0.756 0.000
C3 0.666 -0.539 0.000
H4 0.041 1.851 0.000
H5 1.053 -0.970 0.934
H6 1.053 -0.970 -0.934

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27731.58572.22192.28752.2875
C21.27731.45621.09572.22682.2268
C31.58571.45622.47051.09881.0988
H42.22191.09572.47053.13893.1389
H52.28752.22681.09883.13891.8678
H62.28752.22681.09883.13891.8678

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 70.567 N1 C2 H4 138.753
N1 C3 C2 49.433 N1 C3 H5 115.690
N1 C3 H6 115.690 C2 N1 C3 60.000
C2 C3 N1 49.433 C2 C3 H5 120.633
C2 C3 H6 120.633 C3 C2 H4 150.680
H5 C3 H6 116.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability