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

using model chemistry: mPW1PW91/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-132.642630
Energy at 298.15K-132.645421
HF Energy-132.642630
Nuclear repulsion energy63.608121
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/Def2TZVPP
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' 3374 3374 19.31      
2 A' 3373 3373 0.55      
3 A' 1811 1811 8.26      
4 A' 1384 1384 13.23      
5 A' 1089 1089 6.28      
6 A' 913 913 28.72      
7 A' 582 582 81.23      
8 A" 3311 3311 16.57      
9 A" 1174 1174 40.43      
10 A" 986 986 16.73      
11 A" 787 787 6.41      
12 A" 590 590 4.82      

Unscaled Zero Point Vibrational Energy (zpe) 9686.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9686.8 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/Def2TZVPP
ABC
1.07032 0.82113 0.48715

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.890 0.000
C2 -0.036 -0.473 0.634
C3 -0.036 -0.473 -0.634
H4 0.927 1.232 0.000
H5 -0.123 -0.893 1.616
H6 -0.123 -0.893 -1.616

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50341.50341.02132.40842.4084
C21.50341.26812.05791.07182.2907
C31.50341.26812.05792.29071.0718
H41.02132.05792.05792.86892.8689
H52.40841.07182.29072.86893.2322
H62.40842.29071.07182.86893.2322

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 65.056 N1 C2 H5 137.898
N1 C3 C2 65.056 N1 C3 H6 137.898
C2 N1 C3 49.887 C2 N1 H4 107.658
C2 C3 H6 156.388 C3 N1 H4 107.658
C3 C2 H5 156.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.346      
2 C -0.086      
3 C -0.086      
4 H 0.147      
5 H 0.185      
6 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.120 -1.587 0.000 1.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.562 2.349 0.000
y 2.349 -19.454 0.000
z 0.000 0.000 -14.182
Traceless
 xyz
x -1.744 2.349 0.000
y 2.349 -3.082 0.000
z 0.000 0.000 4.826
Polar
3z2-r29.651
x2-y20.892
xy2.349
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.215 0.275 0.000
y 0.275 4.393 0.000
z 0.000 0.000 4.947


<r2> (average value of r2) Å2
<r2> 33.173
(<r2>)1/2 5.760