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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-132.631202
Energy at 298.15K-132.634289
HF Energy-132.631202
Nuclear repulsion energy64.104852
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 B1B95/6-31G(2df,p)
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' 3251 3114 2.09      
2 A' 3122 2990 22.99      
3 A' 1774 1699 9.21      
4 A' 1515 1451 0.01      
5 A' 1355 1297 6.97      
6 A' 1062 1017 1.02      
7 A' 1016 973 48.42      
8 A' 747 716 14.46      
9 A" 3213 3077 21.89      
10 A" 1120 1072 1.86      
11 A" 998 956 0.06      
12 A" 823 789 11.30      

Unscaled Zero Point Vibrational Energy (zpe) 9997.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9574.6 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 B1B95/6-31G(2df,p)
ABC
1.19858 0.75682 0.51184

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.859 -0.170 0.000
C2 0.000 0.740 0.000
C3 0.649 -0.528 0.000
H4 0.038 1.820 0.000
H5 1.041 -0.952 0.919
H6 1.041 -0.952 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25141.54942.18272.25032.2503
C21.25141.42401.08052.18842.1884
C31.54941.42402.42561.08531.0853
H42.18271.08052.42563.08723.0872
H52.25032.18841.08533.08721.8377
H62.25032.18841.08533.08721.8377

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 70.443 N1 C2 H4 138.673
N1 C3 C2 49.557 N1 C3 H5 116.215
N1 C3 H6 116.215 C2 N1 C3 60.000
C2 C3 N1 49.557 C2 C3 H5 120.821
C2 C3 H6 120.821 C3 C2 H4 150.885
H5 C3 H6 115.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.156      
2 C -0.005      
3 C -0.271      
4 H 0.167      
5 H 0.132      
6 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.692 1.264 0.000 2.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.962 -1.234 0.000
y -1.234 -15.362 0.000
z 0.000 0.000 -17.104
Traceless
 xyz
x -3.729 -1.234 0.000
y -1.234 3.171 0.000
z 0.000 0.000 0.558
Polar
3z2-r21.117
x2-y2-4.600
xy-1.234
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.762 -0.508 0.000
y -0.508 4.247 0.000
z 0.000 0.000 2.783


<r2> (average value of r2) Å2
<r2> 32.742
(<r2>)1/2 5.722