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

using model chemistry: B2PLYP=FULLultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.632438
Energy at 298.15K 
HF Energy-132.439981
Nuclear repulsion energy63.835621
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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
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' 3232 3232 1.02      
2 A' 3125 3125 20.37      
3 A' 1704 1704 9.02      
4 A' 1521 1521 0.28      
5 A' 1306 1306 8.85      
6 A' 1059 1059 0.09      
7 A' 1003 1003 53.21      
8 A' 676 676 12.77      
9 A" 3218 3218 14.84      
10 A" 1122 1122 1.65      
11 A" 990 990 0.37      
12 A" 803 803 17.53      

Unscaled Zero Point Vibrational Energy (zpe) 9878.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9878.8 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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
ABC
1.19556 0.74578 0.50623

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.166 0.000
C2 0.000 0.743 0.000
C3 0.657 -0.533 0.000
H4 0.039 1.821 0.000
H5 1.036 -0.958 0.919
H6 1.036 -0.958 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25391.56502.18202.25462.2546
C21.25391.43491.07872.19312.1931
C31.56501.43492.43361.08101.0810
H42.18201.07872.43363.09183.0918
H52.25462.19311.08103.09181.8377
H62.25462.19311.08103.09181.8377

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 70.822 N1 C2 H4 138.482
N1 C3 C2 49.178 N1 C3 H5 115.670
N1 C3 H6 115.670 C2 N1 C3 60.000
C2 C3 N1 49.178 C2 C3 H5 120.660
C2 C3 H6 120.660 C3 C2 H4 150.696
H5 C3 H6 116.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability