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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.565646
Energy at 298.15K-132.568725
HF Energy-132.565646
Nuclear repulsion energy64.117777
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 PBE1PBE/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' 3219 3219 0.93      
2 A' 3105 3105 23.30      
3 A' 1764 1764 9.95      
4 A' 1511 1511 0.39      
5 A' 1340 1340 7.26      
6 A' 1062 1062 0.10      
7 A' 1011 1011 55.39      
8 A' 728 728 16.27      
9 A" 3192 3192 17.36      
10 A" 1118 1118 1.69      
11 A" 995 995 0.16      
12 A" 816 816 17.58      

Unscaled Zero Point Vibrational Energy (zpe) 9930.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9930.3 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 PBE1PBE/6-311+G(3df,2p)
ABC
1.20234 0.75516 0.51185

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.859 -0.167 0.000
C2 0.000 0.739 0.000
C3 0.650 -0.529 0.000
H4 0.039 1.820 0.000
H5 1.039 -0.954 0.920
H6 1.039 -0.954 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24861.55122.18122.25082.2508
C21.24861.42421.08242.18852.1885
C31.55121.42422.42741.08531.0853
H42.18121.08242.42743.08913.0891
H52.25082.18851.08533.08911.8393
H62.25082.18851.08533.08911.8393

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 70.604 N1 C2 H4 138.575
N1 C3 C2 49.396 N1 C3 H5 116.108
N1 C3 H6 116.108 C2 N1 C3 60.000
C2 C3 N1 49.396 C2 C3 H5 120.804
C2 C3 H6 120.804 C3 C2 H4 150.821
H5 C3 H6 115.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.674      
2 C 0.436      
3 C -0.176      
4 H 0.187      
5 H 0.114      
6 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.818 1.267 0.000 2.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.744 -1.336 0.000
y -1.336 -15.572 0.000
z 0.000 0.000 -17.557
Traceless
 xyz
x -4.180 -1.336 0.000
y -1.336 3.578 0.000
z 0.000 0.000 0.602
Polar
3z2-r21.203
x2-y2-5.172
xy-1.336
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.639 -0.386 0.000
y -0.386 4.717 0.000
z 0.000 0.000 3.418


<r2> (average value of r2) Å2
<r2> 33.046
(<r2>)1/2 5.749