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

using model chemistry: TPSSh/STO-3G

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/STO-3G
 hartrees
Energy at 0K-131.042294
Energy at 298.15K-131.045293
HF Energy-131.042294
Nuclear repulsion energy61.951153
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/STO-3G
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' 3473 3473 28.32      
2 A' 3343 3343 2.05      
3 A' 1756 1756 0.57      
4 A' 1603 1603 0.82      
5 A' 1378 1378 7.78      
6 A' 1096 1096 25.05      
7 A' 1044 1044 7.13      
8 A' 884 884 2.29      
9 A" 3495 3495 2.07      
10 A" 1153 1153 4.83      
11 A" 1043 1043 0.29      
12 A" 786 786 12.67      

Unscaled Zero Point Vibrational Energy (zpe) 10527.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10527.1 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/STO-3G
ABC
1.09082 0.72305 0.47792

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.889 -0.198 0.000
C2 0.000 0.777 0.000
C3 0.666 -0.539 0.000
H4 0.064 1.873 0.000
H5 1.081 -0.958 0.931
H6 1.081 -0.958 -0.931

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.31881.59142.28002.30782.3078
C21.31881.47411.09882.24572.2457
C31.59141.47412.48611.10241.1024
H42.28001.09882.48613.14903.1490
H52.30782.24571.10243.14901.8623
H62.30782.24571.10243.14901.8623

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 69.214 N1 C2 H4 140.979
N1 C3 C2 50.786 N1 C3 H5 116.726
N1 C3 H6 116.726 C2 N1 C3 60.000
C2 C3 N1 50.786 C2 C3 H5 120.612
C2 C3 H6 120.612 C3 C2 H4 149.807
H5 C3 H6 115.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.153      
2 C -0.015      
3 C -0.104      
4 H 0.114      
5 H 0.079      
6 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.363 1.068 0.000 1.732
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 1.906 -0.363 0.000
y -0.363 2.518 0.000
z 0.000 0.000 1.239


<r2> (average value of r2) Å2
<r2> 33.692
(<r2>)1/2 5.805