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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-132.585794
Energy at 298.15K-132.581640
HF Energy-132.679645
Nuclear repulsion energy63.680633
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 B3LYP/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' 3220 3092 5.37      
2 A' 3115 2991 23.66      
3 A' 1756 1687 9.83      
4 A' 1537 1476 0.10      
5 A' 1323 1271 8.31      
6 A' 1054 1012 0.25      
7 A' 1005 965 51.55      
8 A' 694 666 13.10      
9 A" 3199 3072 28.94      
10 A" 1128 1083 1.27      
11 A" 986 947 0.06      
12 A" 796 764 11.56      

Unscaled Zero Point Vibrational Energy (zpe) 9905.6 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 9512.3 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 B3LYP/6-31G*
ABC
1.18728 0.74021 0.50253

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.868 -0.166 0.000
C2 0.000 0.745 0.000
C3 0.657 -0.535 0.000
H4 0.041 1.830 0.000
H5 1.045 -0.966 0.922
H6 1.045 -0.966 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25761.56872.19302.26902.2690
C21.25761.43861.08632.20642.2064
C31.56871.43862.44431.08911.0891
H42.19301.08632.44433.11073.1107
H52.26902.20641.08913.11071.8440
H62.26902.20641.08913.11071.8440

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 69.531 N1 C2 H4 138.941
N1 C3 C2 49.345 N1 C3 H5 116.288
N1 C3 H6 116.288 C2 N1 C3 61.124
C2 C3 N1 49.345 C2 C3 H5 120.863
C2 C3 H6 120.863 C3 C2 H4 151.528
H5 C3 H6 115.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.309      
2 C 0.098      
3 C -0.271      
4 H 0.164      
5 H 0.159      
6 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.755 1.259 0.000 2.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 33.221
(<r2>)1/2 5.764