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

using model chemistry: CCSD/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/cc-pVDZ
 hartrees
Energy at 0K-132.302647
Energy at 298.15K-132.305687
HF Energy-131.846595
Nuclear repulsion energy63.122947
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-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' 3254 3082 0.89      
2 A' 3137 2971 17.76      
3 A' 1724 1633 8.29      
4 A' 1513 1433 0.09      
5 A' 1333 1263 7.99      
6 A' 1047 992 0.38      
7 A' 1004 951 48.75      
8 A' 688 652 9.15      
9 A" 3232 3061 22.17      
10 A" 1110 1052 1.96      
11 A" 981 929 0.31      
12 A" 780 739 15.79      

Unscaled Zero Point Vibrational Energy (zpe) 9901.1 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 9379.3 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-pVDZ
ABC
1.16340 0.73262 0.49581

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.873 -0.171 0.000
C2 0.000 0.752 0.000
C3 0.661 -0.537 0.000
H4 0.042 1.845 0.000
H5 1.051 -0.967 0.932
H6 1.051 -0.967 -0.932

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27041.57732.21392.28062.2806
C21.27041.44841.09372.21922.2192
C31.57731.44842.46071.09741.0974
H42.21391.09372.46073.12873.1287
H52.28062.21921.09743.12871.8635
H62.28062.21921.09743.12871.8635

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 70.574 N1 C2 H4 138.806
N1 C3 C2 49.426 N1 C3 H5 115.838
N1 C3 H6 115.838 C2 N1 C3 60.000
C2 C3 N1 49.426 C2 C3 H5 120.688
C2 C3 H6 120.688 C3 C2 H4 150.620
H5 C3 H6 116.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability