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

using model chemistry: B2PLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-131.734007
Energy at 298.15K-131.736982
HF Energy-131.629189
Nuclear repulsion energy62.188072
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/3-21G
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' 3280 3280 1.49      
2 A' 3192 3192 5.45      
3 A' 1593 1593 2.79      
4 A' 1515 1515 1.94      
5 A' 1195 1195 19.56      
6 A' 1029 1029 15.64      
7 A' 955 955 49.01      
8 A' 606 606 3.34      
9 A" 3301 3301 12.99      
10 A" 1115 1115 1.30      
11 A" 966 966 0.15      
12 A" 806 806 26.71      

Unscaled Zero Point Vibrational Energy (zpe) 9776.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9776.4 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 B2PLYP/3-21G
ABC
1.15321 0.69401 0.47561

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.898 -0.152 0.000
C2 0.000 0.761 0.000
C3 0.687 -0.562 0.000
H4 0.074 1.833 0.000
H5 1.045 -0.984 0.927
H6 1.045 -0.984 -0.927

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.28041.63682.21002.30772.3077
C21.28041.49091.07442.23512.2351
C31.63681.49092.47221.07951.0795
H42.21001.07442.47223.12013.1201
H52.30772.23511.07953.12011.8540
H62.30772.23511.07953.12011.8540

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 71.949 N1 C2 H4 139.444
N1 C3 C2 48.051 N1 C3 H5 114.773
N1 C3 H6 114.773 C2 N1 C3 60.000
C2 C3 N1 48.051 C2 C3 H5 119.964
C2 C3 H6 119.964 C3 C2 H4 148.608
H5 C3 H6 118.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.340      
2 C 0.038      
3 C -0.353      
4 H 0.221      
5 H 0.217      
6 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.826 1.229 0.000 2.201
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.645 -1.589 0.000
y -1.589 -15.867 0.000
z 0.000 0.000 -17.549
Traceless
 xyz
x -3.937 -1.589 0.000
y -1.589 3.231 0.000
z 0.000 0.000 0.707
Polar
3z2-r21.414
x2-y2-4.779
xy-1.589
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.402 -0.652 0.000
y -0.652 3.978 0.000
z 0.000 0.000 2.232


<r2> (average value of r2) Å2
<r2> 34.464
(<r2>)1/2 5.871