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

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-132.606331
Energy at 298.15K-132.609093
HF Energy-132.606331
Nuclear repulsion energy63.317234
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 B3PW91/6-311G**
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' 3357 3233 1.44      
2 A' 3326 3203 28.93      
3 A' 1797 1731 5.46      
4 A' 1377 1326 12.75      
5 A' 1081 1041 3.08      
6 A' 904 871 27.68      
7 A' 575 554 84.25      
8 A" 3293 3172 13.42      
9 A" 1171 1128 42.24      
10 A" 974 938 15.41      
11 A" 773 745 6.24      
12 A" 563 542 5.87      

Unscaled Zero Point Vibrational Energy (zpe) 9595.5 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9241.4 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 B3PW91/6-311G**
ABC
1.06204 0.81196 0.48277

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.897 0.000
C2 -0.036 -0.476 0.636
C3 -0.036 -0.476 -0.636
H4 0.937 1.224 0.000
H5 -0.127 -0.896 1.621
H6 -0.127 -0.896 -1.621

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51261.51261.02622.41832.4183
C21.51261.27282.05911.07432.2978
C31.51261.27282.05912.29781.0743
H41.02622.05912.05912.87282.8728
H52.41831.07432.29782.87283.2417
H62.41832.29781.07432.87283.2417

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 65.121 N1 C2 H5 137.765
N1 C3 C2 65.121 N1 C3 H6 137.765
C2 N1 C3 49.759 C2 N1 H4 106.826
C2 C3 H6 156.405 C3 N1 H4 106.826
C3 C2 H5 156.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.357      
2 C -0.036      
3 C -0.036      
4 H 0.192      
5 H 0.119      
6 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.192 -1.646 0.000 2.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.390 2.316 0.000
y 2.316 -19.320 0.000
z 0.000 0.000 -14.057
Traceless
 xyz
x -1.702 2.316 0.000
y 2.316 -3.097 0.000
z 0.000 0.000 4.798
Polar
3z2-r29.597
x2-y20.930
xy2.316
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.594 0.365 0.000
y 0.365 3.875 0.000
z 0.000 0.000 4.682


<r2> (average value of r2) Å2
<r2> 33.271
(<r2>)1/2 5.768