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All results from a given calculation for CHNHCH (1H-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-132.580058
Energy at 298.15K-132.582802
HF Energy-132.580058
Nuclear repulsion energy63.017237
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' 3364 3246 1.46      
2 A' 3281 3166 34.15      
3 A' 1806 1742 4.88      
4 A' 1375 1327 10.56      
5 A' 1082 1045 2.72      
6 A' 895 864 22.25      
7 A' 565 545 67.38      
8 A" 3300 3184 14.46      
9 A" 1165 1124 37.15      
10 A" 958 924 15.75      
11 A" 759 732 3.65      
12 A" 564 544 5.17      

Unscaled Zero Point Vibrational Energy (zpe) 9555.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9221.4 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
1.04647 0.80881 0.47892

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 -0.038 0.899 0.000
C2 -0.038 -0.476 0.641
C3 -0.038 -0.476 -0.641
H4 0.946 1.219 0.000
H5 -0.115 -0.902 1.633
H6 -0.115 -0.902 -1.633

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51651.51651.03482.43252.4325
C21.51651.28162.06201.08302.3151
C31.51651.28162.06202.31511.0830
H41.03482.06202.06202.88002.8800
H52.43251.08302.31512.88003.2667
H62.43252.31511.08302.88003.2667

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 65.003 N1 C2 H5 138.087
N1 C3 C2 65.003 N1 C3 H6 138.087
C2 N1 C3 49.994 C2 N1 H4 106.312
C2 C3 H6 156.412 C3 N1 H4 106.312
C3 C2 H5 156.412
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 -0.218      
2 C 0.031      
3 C 0.031      
4 H 0.103      
5 H 0.026      
6 H 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.150 -1.553 0.000 1.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.249 2.073 0.000
y 2.073 -19.065 0.000
z 0.000 0.000 -14.033
Traceless
 xyz
x -1.700 2.073 0.000
y 2.073 -2.924 0.000
z 0.000 0.000 4.624
Polar
3z2-r29.249
x2-y20.816
xy2.073
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.413 0.397 0.000
y 0.397 3.715 0.000
z 0.000 0.000 4.671


<r2> (average value of r2) Å2
<r2> 33.386
(<r2>)1/2 5.778