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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-132.696468
Energy at 298.15K-132.699497
HF Energy-132.696468
Nuclear repulsion energy63.429835
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 B3LYPultrafine/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' 3196 3102 1.91      
2 A' 3097 3005 24.09      
3 A' 1731 1679 9.91      
4 A' 1494 1450 0.22      
5 A' 1301 1263 8.04      
6 A' 1044 1013 0.17      
7 A' 992 963 53.28      
8 A' 670 650 14.39      
9 A" 3191 3096 18.88      
10 A" 1101 1068 1.62      
11 A" 969 940 0.26      
12 A" 787 764 17.88      

Unscaled Zero Point Vibrational Energy (zpe) 9786.2 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 9496.5 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 B3LYPultrafine/aug-cc-pVDZ
ABC
1.18289 0.73507 0.49996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.870 -0.164 0.000
C2 0.000 0.746 0.000
C3 0.660 -0.538 0.000
H4 0.042 1.835 0.000
H5 1.045 -0.967 0.927
H6 1.045 -0.967 -0.927

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25911.57472.19742.27452.2745
C21.25911.44301.09002.21042.2104
C31.57471.44302.45181.09221.0922
H42.19741.09002.45183.11733.1173
H52.27452.21041.09223.11731.8547
H62.27452.21041.09223.11731.8547

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 70.920 N1 C2 H4 138.483
N1 C3 C2 49.080 N1 C3 H5 115.859
N1 C3 H6 115.859 C2 N1 C3 60.000
C2 C3 N1 49.080 C2 C3 H5 120.729
C2 C3 H6 120.729 C3 C2 H4 150.598
H5 C3 H6 116.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.393      
2 C 0.566      
3 C 1.157      
4 H -0.324      
5 H -0.503      
6 H -0.503      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.834 1.256 0.000 2.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.053 -1.305 0.000
y -1.305 -15.840 0.000
z 0.000 0.000 -17.721
Traceless
 xyz
x -4.272 -1.305 0.000
y -1.305 3.546 0.000
z 0.000 0.000 0.726
Polar
3z2-r21.452
x2-y2-5.213
xy-1.305
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.864 -0.441 0.000
y -0.441 4.955 0.000
z 0.000 0.000 3.536


<r2> (average value of r2) Å2
<r2> 33.686
(<r2>)1/2 5.804