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

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-132.526473
Energy at 298.15K-132.529463
HF Energy-132.526473
Nuclear repulsion energy63.151579
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 PBEPBE/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' 3149 3113 2.65      
2 A' 3043 3009 21.36      
3 A' 1689 1669 7.54      
4 A' 1467 1450 0.12      
5 A' 1276 1261 6.23      
6 A' 1008 997 0.05      
7 A' 966 955 60.91      
8 A' 672 665 13.92      
9 A" 3132 3097 19.97      
10 A" 1082 1070 0.99      
11 A" 950 940 0.27      
12 A" 762 753 18.78      

Unscaled Zero Point Vibrational Energy (zpe) 9598.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 9488.7 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 PBEPBE/6-31+G**
ABC
1.16488 0.73327 0.49619

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.872 -0.172 0.000
C2 0.000 0.752 0.000
C3 0.662 -0.536 0.000
H4 0.036 1.844 0.000
H5 1.050 -0.967 0.930
H6 1.050 -0.967 -0.930

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27031.57632.21112.27872.2787
C21.27031.44781.09312.21872.2187
C31.57631.44782.46131.09631.0963
H42.21111.09312.46133.13033.1303
H52.27872.21871.09633.13031.8601
H62.27872.21871.09633.13031.8601

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 70.547 N1 C2 H4 138.511
N1 C3 C2 49.453 N1 C3 H5 115.829
N1 C3 H6 115.829 C2 N1 C3 60.000
C2 C3 N1 49.453 C2 C3 H5 120.784
C2 C3 H6 120.784 C3 C2 H4 150.942
H5 C3 H6 116.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.181      
2 C -0.002      
3 C -0.316      
4 H 0.161      
5 H 0.169      
6 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.792 1.257 0.000 2.189
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.984 -1.456 0.000
y -1.456 -15.880 0.000
z 0.000 0.000 -17.729
Traceless
 xyz
x -4.180 -1.456 0.000
y -1.456 3.477 0.000
z 0.000 0.000 0.703
Polar
3z2-r21.406
x2-y2-5.104
xy-1.456
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.628 -0.445 0.000
y -0.445 4.764 0.000
z 0.000 0.000 3.181


<r2> (average value of r2) Å2
<r2> 33.847
(<r2>)1/2 5.818