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

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-132.666920
Energy at 298.15K-132.670001
HF Energy-132.666920
Nuclear repulsion energy64.212638
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 B1B95/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' 3226 3088 2.00      
2 A' 3117 2984 25.69      
3 A' 1768 1692 10.00      
4 A' 1513 1449 0.10      
5 A' 1341 1284 8.09      
6 A' 1060 1014 0.12      
7 A' 1010 966 54.23      
8 A' 730 698 14.93      
9 A" 3205 3067 21.03      
10 A" 1118 1070 1.67      
11 A" 996 953 0.15      
12 A" 815 780 15.85      

Unscaled Zero Point Vibrational Energy (zpe) 9948.6 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 9521.8 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 B1B95/cc-pVTZ
ABC
1.20671 0.75679 0.51311

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.858 -0.167 0.000
C2 0.000 0.738 0.000
C3 0.649 -0.529 0.000
H4 0.040 1.816 0.000
H5 1.036 -0.952 0.917
H6 1.036 -0.952 -0.917

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24661.55042.17642.24672.2467
C21.24661.42301.07912.18412.1841
C31.55041.42302.42261.08181.0818
H42.17641.07912.42263.08163.0816
H52.24672.18411.08183.08161.8344
H62.24672.18411.08183.08161.8344

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 70.654 N1 C2 H4 138.604
N1 C3 C2 49.346 N1 C3 H5 116.057
N1 C3 H6 116.057 C2 N1 C3 60.000
C2 C3 N1 49.346 C2 C3 H5 120.763
C2 C3 H6 120.763 C3 C2 H4 150.742
H5 C3 H6 115.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.133      
2 C -0.045      
3 C -0.190      
4 H 0.132      
5 H 0.118      
6 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.756 1.263 0.000 2.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.372 -1.267 0.000
y -1.267 -15.534 0.000
z 0.000 0.000 -17.364
Traceless
 xyz
x -3.923 -1.267 0.000
y -1.267 3.334 0.000
z 0.000 0.000 0.589
Polar
3z2-r21.179
x2-y2-4.838
xy-1.267
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.175 -0.482 0.000
y -0.482 4.538 0.000
z 0.000 0.000 3.092


<r2> (average value of r2) Å2
<r2> 32.854
(<r2>)1/2 5.732