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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-131.832883
Energy at 298.15K-131.835627
HF Energy-131.832883
Nuclear repulsion energy61.690835
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 mPW1PW91/3-21G*
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' 3414 3242 3.92      
2 A' 3158 2999 44.20      
3 A' 1770 1680 3.80      
4 A' 1414 1343 17.30      
5 A' 1019 968 3.94      
6 A' 839 797 11.96      
7 A' 643 610 106.95      
8 A" 3348 3179 14.57      
9 A" 1157 1099 36.81      
10 A" 984 935 17.51      
11 A" 818 777 5.99      
12 A" 511 485 4.01      

Unscaled Zero Point Vibrational Energy (zpe) 9537.8 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 9057.1 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 mPW1PW91/3-21G*
ABC
1.05241 0.73524 0.45439

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.949 0.000
C2 -0.038 -0.500 0.641
C3 -0.038 -0.500 -0.641
H4 0.968 1.237 0.000
H5 -0.122 -0.941 1.611
H6 -0.122 -0.941 -1.611

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.58391.58391.04632.48482.4848
C21.58391.28212.10651.06912.2966
C31.58391.28212.10652.29661.0691
H41.04632.10652.10652.92002.9200
H52.48481.06912.29662.92003.2223
H62.48482.29661.06912.92003.2223

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 66.126 N1 C2 H5 138.141
N1 C3 C2 66.126 N1 C3 H6 138.141
C2 N1 C3 47.748 C2 N1 H4 104.575
C2 C3 H6 155.147 C3 N1 H4 104.575
C3 C2 H5 155.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.494      
2 C -0.132      
3 C -0.132      
4 H 0.274      
5 H 0.242      
6 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.412 -1.879 0.000 2.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.580 2.417 0.000
y 2.417 -19.156 0.000
z 0.000 0.000 -14.278
Traceless
 xyz
x -1.863 2.417 0.000
y 2.417 -2.727 0.000
z 0.000 0.000 4.590
Polar
3z2-r29.180
x2-y20.576
xy2.417
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.895 0.450 0.000
y 0.450 3.437 0.000
z 0.000 0.000 4.200


<r2> (average value of r2) Å2
<r2> 34.543
(<r2>)1/2 5.877