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/6-311G**

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/6-311G**
 hartrees
Energy at 0K-132.656040
Energy at 298.15K-132.659134
HF Energy-132.656040
Nuclear repulsion energy64.037667
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/6-311G**
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' 3218 3218 0.21      
2 A' 3124 3124 17.24      
3 A' 1784 1784 10.42      
4 A' 1527 1527 0.28      
5 A' 1353 1353 8.78      
6 A' 1065 1065 0.14      
7 A' 1023 1023 62.65      
8 A' 746 746 14.93      
9 A" 3215 3215 17.00      
10 A" 1128 1128 1.57      
11 A" 1004 1004 0.16      
12 A" 822 822 18.39      

Unscaled Zero Point Vibrational Energy (zpe) 10004.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10004.0 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/6-311G**
ABC
1.20231 0.75133 0.51018

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.861 -0.165 0.000
C2 0.000 0.739 0.000
C3 0.652 -0.531 0.000
H4 0.039 1.821 0.000
H5 1.037 -0.956 0.921
H6 1.037 -0.956 -0.921

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24861.55642.18022.25252.2525
C21.24861.42761.08212.19002.1900
C31.55641.42762.43011.08451.0845
H42.18021.08212.43013.09083.0908
H52.25252.19001.08453.09081.8410
H62.25252.19001.08453.09081.8410

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 70.761 N1 C2 H4 138.472
N1 C3 C2 49.239 N1 C3 H5 115.908
N1 C3 H6 115.908 C2 N1 C3 60.000
C2 C3 N1 49.239 C2 C3 H5 120.716
C2 C3 H6 120.716 C3 C2 H4 150.767
H5 C3 H6 116.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.228      
2 C 0.050      
3 C -0.251      
4 H 0.133      
5 H 0.148      
6 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.786 1.287 0.000 2.201
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.519 -1.373 0.000
y -1.373 -15.630 0.000
z 0.000 0.000 -17.432
Traceless
 xyz
x -3.988 -1.373 0.000
y -1.373 3.346 0.000
z 0.000 0.000 0.642
Polar
3z2-r21.284
x2-y2-4.890
xy-1.373
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.945 -0.501 0.000
y -0.501 4.351 0.000
z 0.000 0.000 2.746


<r2> (average value of r2) Å2
<r2> 33.042
(<r2>)1/2 5.748