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

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-132.643431
Energy at 298.15K-132.646389
HF Energy-132.643431
Nuclear repulsion energy62.878848
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/6-31+G**
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' 3123 3107 4.88      
2 A' 3032 3016 22.59      
3 A' 1670 1661 9.27      
4 A' 1472 1464 0.11      
5 A' 1244 1237 8.22      
6 A' 1006 1001 0.16      
7 A' 954 949 56.90      
8 A' 627 623 12.97      
9 A" 3120 3103 22.59      
10 A" 1080 1074 1.05      
11 A" 940 935 0.30      
12 A" 760 756 17.51      

Unscaled Zero Point Vibrational Energy (zpe) 9513.4 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 9463.0 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/6-31+G**
ABC
1.16556 0.72037 0.49034

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.879 -0.164 0.000
C2 0.000 0.753 0.000
C3 0.668 -0.544 0.000
H4 0.041 1.845 0.000
H5 1.051 -0.977 0.930
H6 1.051 -0.977 -0.930

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27031.59332.20952.29102.2910
C21.27031.45881.09272.22772.2277
C31.59331.45882.46971.09481.0948
H42.20951.09272.46973.13853.1385
H52.29102.22771.09483.13851.8595
H62.29102.22771.09483.13851.8595

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 71.054 N1 C2 H4 138.348
N1 C3 C2 48.946 N1 C3 H5 115.677
N1 C3 H6 115.677 C2 N1 C3 60.000
C2 C3 N1 48.946 C2 C3 H5 120.804
C2 C3 H6 120.804 C3 C2 H4 150.597
H5 C3 H6 116.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.205      
2 C 0.042      
3 C -0.271      
4 H 0.137      
5 H 0.149      
6 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.828 1.237 0.000 2.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.177 -1.439 0.000
y -1.439 -16.069 0.000
z 0.000 0.000 -17.859
Traceless
 xyz
x -4.213 -1.439 0.000
y -1.439 3.449 0.000
z 0.000 0.000 0.764
Polar
3z2-r21.529
x2-y2-5.108
xy-1.439
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.746 -0.470 0.000
y -0.470 4.849 0.000
z 0.000 0.000 3.220


<r2> (average value of r2) Å2
<r2> 34.178
(<r2>)1/2 5.846