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

using model chemistry: BLYP/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 BLYP/Def2TZVPP
 hartrees
Energy at 0K-132.687459
Energy at 298.15K-132.690426
HF Energy-132.687459
Nuclear repulsion energy63.219136
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 BLYP/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' 3108 3108 5.33      
2 A' 3027 3027 24.04      
3 A' 1671 1671 8.16      
4 A' 1468 1468 0.04      
5 A' 1241 1241 9.83      
6 A' 1008 1008 0.29      
7 A' 950 950 51.34      
8 A' 625 625 12.48      
9 A" 3113 3113 19.92      
10 A" 1082 1082 1.48      
11 A" 945 945 0.24      
12 A" 775 775 16.33      

Unscaled Zero Point Vibrational Energy (zpe) 9505.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9505.5 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 BLYP/Def2TZVPP
ABC
1.18353 0.72500 0.49524

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.875 -0.158 0.000
C2 0.000 0.747 0.000
C3 0.666 -0.544 0.000
H4 0.044 1.835 0.000
H5 1.045 -0.974 0.926
H6 1.045 -0.974 -0.926

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25951.58842.19522.28262.2826
C21.25951.45221.08852.21602.2160
C31.58841.45222.45801.08921.0892
H42.19521.08852.45803.12183.1218
H52.28262.21601.08923.12181.8519
H62.28262.21601.08923.12181.8519

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 71.311 N1 C2 H4 138.308
N1 C3 C2 48.689 N1 C3 H5 115.708
N1 C3 H6 115.708 C2 N1 C3 60.000
C2 C3 N1 48.689 C2 C3 H5 120.710
C2 C3 H6 120.710 C3 C2 H4 150.381
H5 C3 H6 116.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.171      
2 C -0.051      
3 C -0.148      
4 H 0.167      
5 H 0.101      
6 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.745 1.205 0.000 2.120
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.894 -1.313 0.000
y -1.313 -15.998 0.000
z 0.000 0.000 -17.737
Traceless
 xyz
x -4.027 -1.313 0.000
y -1.313 3.317 0.000
z 0.000 0.000 0.710
Polar
3z2-r21.419
x2-y2-4.896
xy-1.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.612 -0.517 0.000
y -0.517 4.942 0.000
z 0.000 0.000 3.345


<r2> (average value of r2) Å2
<r2> 33.857
(<r2>)1/2 5.819