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

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-132.695106
Energy at 298.15K-132.698160
HF Energy-132.695106
Nuclear repulsion energy63.575377
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 TPSSh/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' 3223 3090 4.51      
2 A' 3109 2980 26.90      
3 A' 1740 1668 9.61      
4 A' 1534 1470 0.26      
5 A' 1326 1271 7.73      
6 A' 1051 1007 0.29      
7 A' 1007 966 51.50      
8 A' 715 686 12.51      
9 A" 3196 3064 31.41      
10 A" 1122 1076 1.51      
11 A" 990 949 0.04      
12 A" 796 763 13.97      

Unscaled Zero Point Vibrational Energy (zpe) 9904.2 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 9495.2 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 TPSSh/6-31G**
ABC
1.17985 0.74354 0.50271

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.867 -0.171 0.000
C2 0.000 0.747 0.000
C3 0.656 -0.533 0.000
H4 0.040 1.831 0.000
H5 1.045 -0.961 0.922
H6 1.045 -0.961 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26251.56562.19752.26452.2645
C21.26251.43821.08442.20422.2042
C31.56561.43822.44231.08821.0882
H42.19751.08442.44233.10683.1068
H52.26452.20421.08823.10681.8439
H62.26452.20421.08823.10681.8439

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 70.518 N1 C2 H4 138.768
N1 C3 C2 49.482 N1 C3 H5 115.978
N1 C3 H6 115.978 C2 N1 C3 60.000
C2 C3 N1 49.482 C2 C3 H5 120.867
C2 C3 H6 120.867 C3 C2 H4 150.714
H5 C3 H6 115.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.324      
2 C 0.116      
3 C -0.214      
4 H 0.146      
5 H 0.138      
6 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.764 1.263 0.000 2.170
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 3.739 -0.537 0.000
y -0.537 4.287 0.000
z 0.000 0.000 2.601


<r2> (average value of r2) Å2
<r2> 33.160
(<r2>)1/2 5.759