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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-132.487330
Energy at 298.15K-132.490027
HF Energy-132.342109
Nuclear repulsion energy62.695557
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 B2PLYP/cc-pVDZ
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' 3372 3230 1.38      
2 A' 3300 3160 33.03      
3 A' 1770 1695 5.46      
4 A' 1380 1321 10.95      
5 A' 1065 1020 1.24      
6 A' 883 845 20.48      
7 A' 552 528 64.17      
8 A" 3312 3172 14.03      
9 A" 1158 1109 36.20      
10 A" 962 921 15.87      
11 A" 738 707 3.43      
12 A" 528 506 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 9509.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9107.2 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 B2PLYP/cc-pVDZ
ABC
1.03978 0.79657 0.47337

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.907 0.000
C2 -0.038 -0.479 0.644
C3 -0.038 -0.479 -0.644
H4 0.948 1.219 0.000
H5 -0.116 -0.907 1.635
H6 -0.116 -0.907 -1.635

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52871.52871.03392.44362.4436
C21.52871.28732.06641.08252.3197
C31.52871.28732.06642.31971.0825
H41.03392.06642.06642.88522.8852
H52.44361.08252.31972.88523.2698
H62.44362.31971.08252.88523.2698

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 65.099 N1 C2 H5 138.085
N1 C3 C2 65.099 N1 C3 H6 138.085
C2 N1 C3 49.802 C2 N1 H4 105.861
C2 C3 H6 156.310 C3 N1 H4 105.861
C3 C2 H5 156.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.208      
2 C 0.039      
3 C 0.039      
4 H 0.095      
5 H 0.018      
6 H 0.018      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.154 -1.561 0.000 1.941
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.419 2.066 0.000
y 2.066 -19.263 0.000
z 0.000 0.000 -14.321
Traceless
 xyz
x -1.627 2.066 0.000
y 2.066 -2.893 0.000
z 0.000 0.000 4.519
Polar
3z2-r29.039
x2-y20.844
xy2.066
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.397 0.400 0.000
y 0.400 3.736 0.000
z 0.000 0.000 4.647


<r2> (average value of r2) Å2
<r2> 33.748
(<r2>)1/2 5.809