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

using model chemistry: CCD/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 CCD/cc-pVTZ
 hartrees
Energy at 0K-132.419507
Energy at 298.15K-132.422590
HF Energy-131.885581
Nuclear repulsion energy63.902197
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 CCD/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' 3259 3043 0.55      
2 A' 3145 2936 19.19      
3 A' 1752 1636 8.82      
4 A' 1540 1437 0.15      
5 A' 1342 1253 9.02      
6 A' 1078 1007 0.15      
7 A' 1028 960 49.62      
8 A' 717 670 11.76      
9 A" 3235 3021 17.05      
10 A" 1133 1058 1.99      
11 A" 1006 940 0.35      
12 A" 808 754 17.32      

Unscaled Zero Point Vibrational Energy (zpe) 10020.8 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9356.4 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 CCD/cc-pVTZ
ABC
1.19608 0.74844 0.50754

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.166 0.000
C2 0.000 0.742 0.000
C3 0.655 -0.532 0.000
H4 0.044 1.819 0.000
H5 1.036 -0.956 0.919
H6 1.036 -0.956 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25311.56182.18282.25332.2533
C21.25311.43261.07822.19122.1912
C31.56181.43262.42971.08141.0814
H42.18281.07822.42973.08743.0874
H52.25332.19121.08143.08741.8376
H62.25332.19121.08143.08741.8376

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 70.753 N1 C2 H4 138.755
N1 C3 C2 49.247 N1 C3 H5 115.779
N1 C3 H6 115.779 C2 N1 C3 60.000
C2 C3 N1 49.247 C2 C3 H5 120.654
C2 C3 H6 120.654 C3 C2 H4 150.492
H5 C3 H6 116.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability