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

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-131.857230
Energy at 298.15K-131.860403
HF Energy-131.857230
Nuclear repulsion energy64.429265
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 HF/aug-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' 3377 3076 1.09      
2 A' 3244 2954 34.82      
3 A' 1900 1730 26.44      
4 A' 1625 1480 0.57      
5 A' 1442 1313 12.34      
6 A' 1165 1061 0.22      
7 A' 1102 1004 60.16      
8 A' 769 700 21.21      
9 A" 3330 3033 27.85      
10 A" 1194 1087 2.60      
11 A" 1065 970 0.01      
12 A" 887 807 17.38      

Unscaled Zero Point Vibrational Energy (zpe) 10550.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 9606.9 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 HF/aug-cc-pVDZ
ABC
1.22085 0.75845 0.51633

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.857 -0.160 0.000
C2 0.000 0.733 0.000
C3 0.646 -0.530 0.000
H4 0.051 1.811 0.000
H5 1.035 -0.956 0.916
H6 1.035 -0.956 -0.916

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.23711.54742.16922.24802.2480
C21.23711.41791.07902.18262.1826
C31.54741.41792.41461.08321.0832
H42.16921.07902.41463.07623.0762
H52.24802.18261.08323.07621.8328
H62.24802.18261.08323.07621.8328

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 70.924 N1 C2 H4 138.871
N1 C3 C2 49.076 N1 C3 H5 116.311
N1 C3 H6 116.311 C2 N1 C3 60.000
C2 C3 N1 49.076 C2 C3 H5 120.948
C2 C3 H6 120.948 C3 C2 H4 150.205
H5 C3 H6 115.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.593      
2 C 0.323      
3 C 0.855      
4 H -0.140      
5 H -0.223      
6 H -0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.049 1.370 0.000 2.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.058 -1.262 0.000
y -1.262 -15.565 0.000
z 0.000 0.000 -17.741
Traceless
 xyz
x -4.405 -1.262 0.000
y -1.262 3.834 0.000
z 0.000 0.000 0.570
Polar
3z2-r21.141
x2-y2-5.493
xy-1.262
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.587 -0.401 0.000
y -0.401 4.646 0.000
z 0.000 0.000 3.320


<r2> (average value of r2) Å2
<r2> 32.973
(<r2>)1/2 5.742