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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-130.897247
Energy at 298.15K-130.900049
HF Energy-130.897247
Nuclear repulsion energy61.606461
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/STO-3G
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' 3586 3174 17.03      
2 A' 3313 2932 65.18      
3 A' 1892 1674 0.45      
4 A' 1513 1339 12.07      
5 A' 1193 1055 0.97      
6 A' 954 844 0.21      
7 A' 647 573 39.90      
8 A" 3501 3098 97.19      
9 A" 1250 1106 26.41      
10 A" 1054 933 15.13      
11 A" 840 743 0.72      
12 A" 765 677 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 10253.5 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 9074.4 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/STO-3G
ABC
1.02600 0.75354 0.45842

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.046 0.936 0.000
C2 -0.046 -0.486 0.648
C3 -0.046 -0.486 -0.648
H4 1.010 1.206 0.000
H5 -0.072 -0.965 1.629
H6 -0.072 -0.965 -1.629

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.56271.56271.08952.50372.5037
C21.56271.29552.09641.09202.3264
C31.56271.29552.09642.32641.0920
H41.08952.09642.09642.92152.9215
H52.50371.09202.32642.92153.2571
H62.50372.32641.09202.92153.2571

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 65.512 N1 C2 H5 140.514
N1 C3 C2 65.512 N1 C3 H6 140.514
C2 N1 C3 48.976 C2 N1 H4 102.994
C2 C3 H6 153.920 C3 N1 H4 102.994
C3 C2 H5 153.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.245      
2 C -0.061      
3 C -0.061      
4 H 0.132      
5 H 0.118      
6 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.227 -1.505 0.000 1.942
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.684 1.642 0.000
y 1.642 -17.800 0.000
z 0.000 0.000 -14.000
Traceless
 xyz
x -0.784 1.642 0.000
y 1.642 -2.458 0.000
z 0.000 0.000 3.242
Polar
3z2-r26.484
x2-y21.116
xy1.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.063 0.413 0.000
y 0.413 2.047 0.000
z 0.000 0.000 2.736


<r2> (average value of r2) Å2
<r2> 33.789
(<r2>)1/2 5.813