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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-132.515672
Energy at 298.15K-132.518404
HF Energy-132.515672
Nuclear repulsion energy62.189212
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 B3PW91/6-31G
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' 3418 3274 2.46      
2 A' 3225 3089 50.87      
3 A' 1777 1702 3.59      
4 A' 1381 1322 14.40      
5 A' 1031 988 1.03      
6 A' 863 826 22.41      
7 A' 620 594 106.14      
8 A" 3353 3211 12.17      
9 A" 1163 1113 42.44      
10 A" 992 950 15.82      
11 A" 792 759 8.78      
12 A" 510 489 4.32      

Unscaled Zero Point Vibrational Energy (zpe) 9562.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9158.1 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 B3PW91/6-31G
ABC
1.04696 0.76539 0.46328

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.923 0.000
C2 -0.036 -0.491 0.644
C3 -0.036 -0.491 -0.644
H4 0.943 1.272 0.000
H5 -0.134 -0.924 1.620
H6 -0.134 -0.924 -1.620

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.55351.55351.03912.45852.4585
C21.55351.28752.11621.07222.3064
C31.55351.28752.11622.30641.0722
H41.03912.11622.11622.93342.9334
H52.45851.07222.30642.93343.2390
H62.45852.30641.07222.93343.2390

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 65.520 N1 C2 H5 138.145
N1 C3 C2 65.520 N1 C3 H6 138.145
C2 N1 C3 48.960 C2 N1 H4 107.770
C2 C3 H6 155.517 C3 N1 H4 107.770
C3 C2 H5 155.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.542      
2 C -0.074      
3 C -0.074      
4 H 0.282      
5 H 0.205      
6 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.458 -1.936 0.000 2.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.417 2.714 0.000
y 2.714 -19.266 0.000
z 0.000 0.000 -14.232
Traceless
 xyz
x -1.668 2.714 0.000
y 2.714 -2.941 0.000
z 0.000 0.000 4.609
Polar
3z2-r29.219
x2-y20.849
xy2.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.155 0.452 0.000
y 0.452 3.710 0.000
z 0.000 0.000 4.421


<r2> (average value of r2) Å2
<r2> 34.156
(<r2>)1/2 5.844