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

using model chemistry: B2PLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-132.430615
Energy at 298.15K-132.433605
HF Energy-132.324221
Nuclear repulsion energy62.439844
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/6-31G
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' 3301 3301 1.42      
2 A' 3185 3185 8.72      
3 A' 1632 1632 5.05      
4 A' 1541 1541 0.68      
5 A' 1254 1254 14.99      
6 A' 1067 1067 11.47      
7 A' 998 998 49.20      
8 A' 603 603 5.97      
9 A" 3290 3290 20.66      
10 A" 1130 1130 0.87      
11 A" 974 974 0.07      
12 A" 796 796 24.35      

Unscaled Zero Point Vibrational Energy (zpe) 9885.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9885.1 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/6-31G
ABC
1.15094 0.70781 0.48118

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.890 -0.163 0.000
C2 0.000 0.761 0.000
C3 0.678 -0.551 0.000
H4 0.056 1.837 0.000
H5 1.051 -0.978 0.922
H6 1.051 -0.978 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.28291.61562.21272.29862.2986
C21.28291.47761.07752.23212.2321
C31.61561.47762.46851.08261.0826
H42.21271.07752.46853.12553.1255
H52.29862.23211.08263.12551.8447
H62.29862.23211.08263.12551.8447

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 71.244 N1 C2 H4 139.073
N1 C3 C2 48.756 N1 C3 H5 115.417
N1 C3 H6 115.417 C2 N1 C3 60.000
C2 C3 N1 48.756 C2 C3 H5 120.561
C2 C3 H6 120.561 C3 C2 H4 149.684
H5 C3 H6 116.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.294      
2 C 0.060      
3 C -0.280      
4 H 0.183      
5 H 0.165      
6 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.962 1.312 0.000 2.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.891 -1.597 0.000
y -1.597 -15.884 0.000
z 0.000 0.000 -17.518
Traceless
 xyz
x -4.190 -1.597 0.000
y -1.597 3.321 0.000
z 0.000 0.000 0.869
Polar
3z2-r21.738
x2-y2-5.007
xy-1.597
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.791 -0.590 0.000
y -0.590 4.208 0.000
z 0.000 0.000 2.423


<r2> (average value of r2) Å2
<r2> 34.299
(<r2>)1/2 5.857