return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/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 M06-2X/6-31G
 hartrees
Energy at 0K-132.558650
Energy at 298.15K-132.561717
HF Energy-132.558650
Nuclear repulsion energy63.098665
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 M06-2X/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' 3311 3311 0.73      
2 A' 3193 3193 6.64      
3 A' 1720 1720 7.21      
4 A' 1554 1554 0.46      
5 A' 1307 1307 12.20      
6 A' 1101 1101 18.26      
7 A' 1031 1031 49.93      
8 A' 689 689 8.31      
9 A" 3291 3291 17.88      
10 A" 1141 1141 1.08      
11 A" 1000 1000 0.00      
12 A" 825 825 27.02      

Unscaled Zero Point Vibrational Energy (zpe) 10080.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10080.4 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 M06-2X/6-31G
ABC
1.17047 0.72654 0.49289

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.878 -0.165 0.000
C2 0.000 0.753 0.000
C3 0.666 -0.543 0.000
H4 0.054 1.828 0.000
H5 1.049 -0.967 0.919
H6 1.049 -0.967 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27011.59002.20002.28072.2807
C21.27011.45661.07662.21402.2140
C31.59001.45662.44851.08201.0820
H42.20001.07662.44853.10593.1059
H52.28072.21401.08203.10591.8377
H62.28072.21401.08203.10591.8377

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 70.963 N1 C2 H4 139.110
N1 C3 C2 49.037 N1 C3 H5 115.896
N1 C3 H6 115.896 C2 N1 C3 60.000
C2 C3 N1 49.037 C2 C3 H5 120.697
C2 C3 H6 120.697 C3 C2 H4 149.927
H5 C3 H6 116.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.294      
2 C 0.035      
3 C -0.299      
4 H 0.198      
5 H 0.180      
6 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.993 1.328 0.000 2.395
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.811 -1.581 0.000
y -1.581 -15.739 0.000
z 0.000 0.000 -17.442
Traceless
 xyz
x -4.221 -1.581 0.000
y -1.581 3.388 0.000
z 0.000 0.000 0.833
Polar
3z2-r21.666
x2-y2-5.073
xy-1.581
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.760 -0.566 0.000
y -0.566 4.181 0.000
z 0.000 0.000 2.408


<r2> (average value of r2) Å2
<r2> 33.763
(<r2>)1/2 5.811