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

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-132.688135
Energy at 298.15K-132.691212
HF Energy-132.688135
Nuclear repulsion energy64.080806
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 mPW1PW91/TZVP
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' 3232 3083 1.27      
2 A' 3118 2974 22.72      
3 A' 1770 1689 10.19      
4 A' 1523 1453 0.14      
5 A' 1338 1276 8.17      
6 A' 1067 1018 0.15      
7 A' 1015 968 61.76      
8 A' 718 685 16.08      
9 A" 3206 3059 19.44      
10 A" 1126 1074 1.41      
11 A" 997 951 0.08      
12 A" 816 778 16.56      

Unscaled Zero Point Vibrational Energy (zpe) 9962.1 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 9503.9 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 mPW1PW91/TZVP
ABC
1.20415 0.75232 0.51082

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.860 -0.165 0.000
C2 0.000 0.738 0.000
C3 0.651 -0.531 0.000
H4 0.042 1.820 0.000
H5 1.039 -0.956 0.919
H6 1.039 -0.956 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24751.55482.17982.25352.2535
C21.24751.42621.08182.19012.1901
C31.55481.42622.42781.08481.0848
H42.17981.08182.42783.08953.0895
H52.25352.19011.08483.08951.8384
H62.25352.19011.08483.08951.8384

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 70.754 N1 C2 H4 138.600
N1 C3 C2 49.246 N1 C3 H5 116.101
N1 C3 H6 116.101 C2 N1 C3 60.000
C2 C3 N1 49.246 C2 C3 H5 120.829
C2 C3 H6 120.829 C3 C2 H4 150.646
H5 C3 H6 115.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.147      
2 C -0.004      
3 C -0.255      
4 H 0.136      
5 H 0.135      
6 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.821 1.284 0.000 2.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.643 -1.396 0.000
y -1.396 -15.598 0.000
z 0.000 0.000 -17.369
Traceless
 xyz
x -4.160 -1.396 0.000
y -1.396 3.408 0.000
z 0.000 0.000 0.752
Polar
3z2-r21.503
x2-y2-5.045
xy-1.396
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.303 -0.477 0.000
y -0.477 4.583 0.000
z 0.000 0.000 3.013


<r2> (average value of r2) Å2
<r2> 33.026
(<r2>)1/2 5.747