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

using model chemistry: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-132.675668
Energy at 298.15K-132.678730
HF Energy-132.675668
Nuclear repulsion energy63.979826
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/cc-pVTZ
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' 3202 3079 2.26      
2 A' 3098 2979 24.49      
3 A' 1751 1684 9.74      
4 A' 1505 1447 0.14      
5 A' 1321 1271 8.68      
6 A' 1052 1012 0.10      
7 A' 999 961 55.23      
8 A' 706 679 14.86      
9 A" 3185 3063 19.69      
10 A" 1114 1071 1.56      
11 A" 988 950 0.15      
12 A" 809 778 16.46      

Unscaled Zero Point Vibrational Energy (zpe) 9864.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9485.8 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 B3PW91/cc-pVTZ
ABC
1.20085 0.74950 0.50908

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.862 -0.165 0.000
C2 0.000 0.740 0.000
C3 0.653 -0.532 0.000
H4 0.042 1.821 0.000
H5 1.039 -0.957 0.921
H6 1.039 -0.957 -0.921

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24941.55862.18202.25572.2557
C21.24941.42931.08242.19182.1918
C31.55861.42932.43111.08491.0849
H42.18201.08242.43113.09163.0916
H52.25572.19181.08493.09161.8410
H62.25572.19181.08493.09161.8410

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 70.799 N1 C2 H4 138.594
N1 C3 C2 49.201 N1 C3 H5 115.996
N1 C3 H6 115.996 C2 N1 C3 60.000
C2 C3 N1 49.201 C2 C3 H5 120.723
C2 C3 H6 120.723 C3 C2 H4 150.608
H5 C3 H6 116.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.141      
2 C -0.022      
3 C -0.140      
4 H 0.107      
5 H 0.098      
6 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.770 1.264 0.000 2.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.418 -1.289 0.000
y -1.289 -15.526 0.000
z 0.000 0.000 -17.363
Traceless
 xyz
x -3.974 -1.289 0.000
y -1.289 3.365 0.000
z 0.000 0.000 0.609
Polar
3z2-r21.219
x2-y2-4.892
xy-1.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.217 -0.485 0.000
y -0.485 4.570 0.000
z 0.000 0.000 3.111


<r2> (average value of r2) Å2
<r2> 33.028
(<r2>)1/2 5.747