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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-132.636548
Energy at 298.15K-132.639593
HF Energy-132.636548
Nuclear repulsion energy63.575735
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 B3PW91/cc-pVDZ
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' 3215 3103 1.82      
2 A' 3097 2988 20.47      
3 A' 1753 1692 8.93      
4 A' 1480 1428 0.15      
5 A' 1329 1282 7.19      
6 A' 1031 995 0.88      
7 A' 988 954 54.56      
8 A' 706 682 14.05      
9 A" 3193 3081 21.61      
10 A" 1098 1059 1.25      
11 A" 975 941 0.11      
12 A" 797 769 14.47      

Unscaled Zero Point Vibrational Energy (zpe) 9831.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9487.1 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 B3PW91/cc-pVDZ
ABC
1.18106 0.74302 0.50347

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.866 -0.169 0.000
C2 0.000 0.745 0.000
C3 0.654 -0.533 0.000
H4 0.040 1.837 0.000
H5 1.048 -0.961 0.929
H6 1.048 -0.961 -0.929

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25941.56352.20102.27032.2703
C21.25941.43581.09232.20752.2075
C31.56351.43582.44801.09611.0961
H42.20101.09232.44803.11573.1157
H52.27032.20751.09613.11571.8578
H62.27032.20751.09613.11571.8578

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 70.567 N1 C2 H4 138.641
N1 C3 C2 49.433 N1 C3 H5 116.116
N1 C3 H6 116.116 C2 N1 C3 60.000
C2 C3 N1 49.433 C2 C3 H5 120.768
C2 C3 H6 120.768 C3 C2 H4 150.792
H5 C3 H6 115.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.157      
2 C 0.011      
3 C -0.017      
4 H 0.041      
5 H 0.061      
6 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.664 1.279 0.000 2.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.088 -1.246 0.000
y -1.246 -15.505 0.000
z 0.000 0.000 -17.224
Traceless
 xyz
x -3.724 -1.246 0.000
y -1.246 3.151 0.000
z 0.000 0.000 0.573
Polar
3z2-r21.146
x2-y2-4.584
xy-1.246
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.740 -0.553 0.000
y -0.553 4.308 0.000
z 0.000 0.000 2.714


<r2> (average value of r2) Å2
<r2> 33.198
(<r2>)1/2 5.762