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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-22.866675
Energy at 298.15K-22.869660
HF Energy-22.866675
Nuclear repulsion energy33.061385
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3204 3123 2.66      
2 A' 3088 3009 20.33      
3 A' 1622 1581 7.71      
4 A' 1493 1455 0.63      
5 A' 1230 1198 15.16      
6 A' 1033 1006 7.94      
7 A' 979 954 61.26      
8 A' 618 602 11.42      
9 A" 3205 3123 30.66      
10 A" 1095 1067 0.47      
11 A" 947 923 0.03      
12 A" 778 759 29.36      

Unscaled Zero Point Vibrational Energy (zpe) 9645.3 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 9399.4 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 B3LYP/CEP-121G
ABC
1.13721 0.69709 0.47432

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.896 -0.164 0.000
C2 0.000 0.766 0.000
C3 0.684 -0.556 0.000
H4 0.049 1.849 0.000
H5 1.060 -0.982 0.927
H6 1.060 -0.982 -0.927

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.29161.62842.22382.31442.3144
C21.29161.48891.08372.24482.2448
C31.62841.48892.48731.08741.0874
H42.22381.08372.48733.14553.1455
H52.31442.24481.08743.14551.8544
H62.31442.24481.08743.14551.8544

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 71.296 N1 C2 H4 138.672
N1 C3 C2 48.704 N1 C3 H5 115.467
N1 C3 H6 115.467 C2 N1 C3 60.000
C2 C3 N1 48.704 C2 C3 H5 120.438
C2 C3 H6 120.438 C3 C2 H4 150.033
H5 C3 H6 117.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.044      
2 C -0.127      
3 C -0.327      
4 H 0.175      
5 H 0.161      
6 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.980 1.296 0.000 2.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.111 -1.703 0.000
y -1.703 -15.749 0.000
z 0.000 0.000 -17.563
Traceless
 xyz
x -4.455 -1.703 0.000
y -1.703 3.588 0.000
z 0.000 0.000 0.866
Polar
3z2-r21.733
x2-y2-5.362
xy-1.703
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.374 -0.602 0.000
y -0.602 4.706 0.000
z 0.000 0.000 2.848


<r2> (average value of r2) Å2
<r2> 30.255
(<r2>)1/2 5.500