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

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-132.072130
Energy at 298.15K-132.075124
HF Energy-131.748754
Nuclear repulsion energy62.144256
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/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' 3266 3134 1.40      
2 A' 3153 3026 8.09      
3 A' 1657 1590 4.72      
4 A' 1544 1481 0.35      
5 A' 1269 1218 11.83      
6 A' 1083 1039 11.47      
7 A' 1005 965 36.85      
8 A' 609 585 5.00      
9 A" 3252 3120 21.21      
10 A" 1128 1082 1.16      
11 A" 980 940 0.21      
12 A" 780 748 25.45      

Unscaled Zero Point Vibrational Energy (zpe) 9862.5 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 9463.0 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/6-31G
ABC
1.14545 0.69803 0.47617

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.895 -0.159 0.000
C2 0.000 0.763 0.000
C3 0.682 -0.557 0.000
H4 0.061 1.845 0.000
H5 1.057 -0.986 0.927
H6 1.057 -0.986 -0.927

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.28511.62682.22012.31452.3145
C21.28511.48571.08322.24462.2446
C31.62681.48572.48041.08851.0885
H42.22011.08322.48043.14103.1410
H52.31452.24461.08853.14101.8543
H62.31452.24461.08853.14101.8543

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 71.489 N1 C2 H4 139.079
N1 C3 C2 48.511 N1 C3 H5 115.516
N1 C3 H6 115.516 C2 N1 C3 60.000
C2 C3 N1 48.511 C2 C3 H5 120.586
C2 C3 H6 120.586 C3 C2 H4 149.432
H5 C3 H6 116.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability