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

using model chemistry: PBEPBEultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.561416
Energy at 298.15K-132.564417
HF Energy-132.561416
Nuclear repulsion energy63.449931
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 PBEPBEultrafine/6-311+G(3df,2p)
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' 3121 3121 2.53      
2 A' 3024 3024 22.74      
3 A' 1685 1685 6.82      
4 A' 1457 1457 0.20      
5 A' 1271 1271 6.87      
6 A' 1009 1009 0.38      
7 A' 960 960 52.64      
8 A' 673 673 13.87      
9 A" 3111 3111 17.63      
10 A" 1079 1079 1.49      
11 A" 953 953 0.28      
12 A" 775 775 17.72      

Unscaled Zero Point Vibrational Energy (zpe) 9559.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9559.4 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
1.17992 0.73781 0.50069

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.869 -0.168 0.000
C2 0.000 0.747 0.000
C3 0.659 -0.536 0.000
H4 0.037 1.836 0.000
H5 1.046 -0.964 0.927
H6 1.046 -0.964 -0.927

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26121.57132.19922.27132.2713
C21.26121.44151.09032.20882.2088
C31.57131.44152.45181.09221.0922
H42.19921.09032.45183.11713.1171
H52.27132.20881.09223.11711.8545
H62.27132.20881.09223.11711.8545

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 70.739 N1 C2 H4 138.424
N1 C3 C2 49.261 N1 C3 H5 115.852
N1 C3 H6 115.852 C2 N1 C3 60.000
C2 C3 N1 49.261 C2 C3 H5 120.706
C2 C3 H6 120.706 C3 C2 H4 150.838
H5 C3 H6 116.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.615      
2 C 0.378      
3 C -0.183      
4 H 0.185      
5 H 0.118      
6 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.744 1.219 0.000 2.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.900 -1.361 0.000
y -1.361 -15.812 0.000
z 0.000 0.000 -17.705
Traceless
 xyz
x -4.142 -1.361 0.000
y -1.361 3.491 0.000
z 0.000 0.000 0.651
Polar
3z2-r21.302
x2-y2-5.088
xy-1.361
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.848 -0.406 0.000
y -0.406 4.931 0.000
z 0.000 0.000 3.555


<r2> (average value of r2) Å2
<r2> 33.617
(<r2>)1/2 5.798