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All results from a given calculation for CHNCH2 (2H-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-132.696232
Energy at 298.15K-132.699305
HF Energy-132.696232
Nuclear repulsion energy64.127413
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' 3227 3227 1.38      
2 A' 3116 3116 24.03      
3 A' 1765 1765 10.00      
4 A' 1517 1517 0.20      
5 A' 1337 1337 7.95      
6 A' 1063 1063 0.04      
7 A' 1011 1011 55.66      
8 A' 719 719 15.96      
9 A" 3204 3204 18.25      
10 A" 1122 1122 1.66      
11 A" 996 996 0.12      
12 A" 818 818 16.65      

Unscaled Zero Point Vibrational Energy (zpe) 9947.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9947.2 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
1.20502 0.75392 0.51166

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 -0.860 -0.166 0.000
C2 0.000 0.738 0.000
C3 0.650 -0.530 0.000
H4 0.040 1.818 0.000
H5 1.038 -0.954 0.919
H6 1.038 -0.954 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24721.55322.17862.25122.2512
C21.24721.42511.08112.18762.1876
C31.55321.42512.42631.08381.0838
H42.17861.08112.42633.08663.0866
H52.25122.18761.08383.08661.8374
H62.25122.18761.08383.08661.8374

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 70.716 N1 C2 H4 138.568
N1 C3 C2 49.284 N1 C3 H5 116.097
N1 C3 H6 116.097 C2 N1 C3 60.000
C2 C3 N1 49.284 C2 C3 H5 120.772
C2 C3 H6 120.772 C3 C2 H4 150.717
H5 C3 H6 115.928
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 -0.182      
2 C -0.024      
3 C -0.102      
4 H 0.140      
5 H 0.084      
6 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.794 1.269 0.000 2.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.547 -1.296 0.000
y -1.296 -15.549 0.000
z 0.000 0.000 -17.415
Traceless
 xyz
x -4.065 -1.296 0.000
y -1.296 3.432 0.000
z 0.000 0.000 0.634
Polar
3z2-r21.267
x2-y2-4.998
xy-1.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.385 -0.456 0.000
y -0.456 4.656 0.000
z 0.000 0.000 3.204


<r2> (average value of r2) Å2
<r2> 32.969
(<r2>)1/2 5.742