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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-132.574637
Energy at 298.15K-132.577421
HF Energy-132.574637
Nuclear repulsion energy63.487671
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 B1B95/6-31+G**
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' 3392 3245 2.84      
2 A' 3381 3234 13.03      
3 A' 1819 1740 8.91      
4 A' 1357 1298 11.49      
5 A' 1102 1054 7.53      
6 A' 916 876 28.87      
7 A' 579 554 95.81      
8 A" 3330 3186 16.35      
9 A" 1176 1125 49.17      
10 A" 977 935 13.56      
11 A" 769 736 8.23      
12 A" 600 574 7.34      

Unscaled Zero Point Vibrational Energy (zpe) 9698.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9277.9 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 B1B95/6-31+G**
ABC
1.05941 0.82343 0.48583

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.888 0.000
C2 -0.034 -0.472 0.638
C3 -0.034 -0.472 -0.638
H4 0.930 1.234 0.000
H5 -0.138 -0.890 1.622
H6 -0.138 -0.890 -1.622

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50281.50281.02412.40922.4092
C21.50281.27592.06101.07392.3004
C31.50281.27592.06102.30041.0739
H41.02412.06102.06102.87782.8778
H52.40921.07392.30042.87783.2436
H62.40922.30041.07392.87783.2436

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 64.880 N1 C2 H5 137.841
N1 C3 C2 64.880 N1 C3 H6 137.841
C2 N1 C3 50.241 C2 N1 H4 107.790
C2 C3 H6 156.365 C3 N1 H4 107.790
C3 C2 H5 156.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.412      
2 C -0.109      
3 C -0.109      
4 H 0.278      
5 H 0.177      
6 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.286 -1.719 0.000 2.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.751 2.693 0.000
y 2.693 -19.849 0.000
z 0.000 0.000 -14.242
Traceless
 xyz
x -1.706 2.693 0.000
y 2.693 -3.352 0.000
z 0.000 0.000 5.058
Polar
3z2-r210.117
x2-y21.097
xy2.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.049 0.163 0.000
y 0.163 4.366 0.000
z 0.000 0.000 4.906


<r2> (average value of r2) Å2
<r2> 33.379
(<r2>)1/2 5.777