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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-131.891905
Energy at 298.15K-131.895086
HF Energy-131.891905
Nuclear repulsion energy64.841542
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3364 3050 1.59      
2 A' 3236 2933 34.10      
3 A' 1907 1729 26.65      
4 A' 1641 1488 0.30      
5 A' 1443 1308 14.52      
6 A' 1180 1070 0.37      
7 A' 1108 1005 59.61      
8 A' 779 706 20.87      
9 A" 3316 3005 28.61      
10 A" 1210 1096 2.83      
11 A" 1079 978 0.00      
12 A" 904 819 16.75      

Unscaled Zero Point Vibrational Energy (zpe) 10583.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 9592.8 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 HF/Def2TZVPP
ABC
1.24031 0.76601 0.52247

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.852 -0.156 0.000
C2 0.000 0.727 0.000
C3 0.642 -0.528 0.000
H4 0.053 1.798 0.000
H5 1.029 -0.952 0.909
H6 1.029 -0.952 -0.909

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.22721.54012.15332.23632.2363
C21.22721.40991.07192.16962.1696
C31.54011.40992.39911.07561.0756
H42.15331.07192.39913.05653.0565
H52.23632.16961.07563.05651.8187
H62.23632.16961.07563.05651.8187

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 71.081 N1 C2 H4 138.873
N1 C3 C2 48.919 N1 C3 H5 116.387
N1 C3 H6 116.387 C2 N1 C3 60.000
C2 C3 N1 48.919 C2 C3 H5 121.011
C2 C3 H6 121.011 C3 C2 H4 150.046
H5 C3 H6 115.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.279      
2 C 0.041      
3 C 0.013      
4 H 0.124      
5 H 0.051      
6 H 0.051      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.030 1.364 0.000 2.445
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.830 -1.237 0.000
y -1.237 -15.543 0.000
z 0.000 0.000 -17.598
Traceless
 xyz
x -4.259 -1.237 0.000
y -1.237 3.670 0.000
z 0.000 0.000 0.589
Polar
3z2-r21.177
x2-y2-5.286
xy-1.237
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.297 -0.435 0.000
y -0.435 4.501 0.000
z 0.000 0.000 3.078


<r2> (average value of r2) Å2
<r2> 32.631
(<r2>)1/2 5.712