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

using model chemistry: PBE1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-132.530752
Energy at 298.15K-132.533822
HF Energy-132.530752
Nuclear repulsion energy63.854447
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/6-31+G**
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' 3250 3105 0.95      
2 A' 3129 2989 21.33      
3 A' 1774 1695 11.05      
4 A' 1522 1454 0.12      
5 A' 1346 1286 6.76      
6 A' 1062 1015 0.38      
7 A' 1017 972 62.89      
8 A' 726 694 15.81      
9 A" 3219 3075 19.25      
10 A" 1123 1073 1.28      
11 A" 993 949 0.13      
12 A" 804 768 19.15      

Unscaled Zero Point Vibrational Energy (zpe) 9982.8 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9536.6 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/6-31+G**
ABC
1.18902 0.75100 0.50780

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.862 -0.171 0.000
C2 0.000 0.743 0.000
C3 0.652 -0.529 0.000
H4 0.038 1.827 0.000
H5 1.042 -0.957 0.922
H6 1.042 -0.957 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25641.55592.19142.25672.2567
C21.25641.42991.08462.19692.1969
C31.55591.42992.43521.08851.0885
H42.19141.08462.43523.09993.0999
H52.25672.19691.08853.09991.8440
H62.25672.19691.08853.09991.8440

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 70.450 N1 C2 H4 138.688
N1 C3 C2 49.549 N1 C3 H5 116.037
N1 C3 H6 116.037 C2 N1 C3 60.000
C2 C3 N1 49.549 C2 C3 H5 120.860
C2 C3 H6 120.860 C3 C2 H4 150.862
H5 C3 H6 115.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.198      
2 C -0.025      
3 C -0.285      
4 H 0.173      
5 H 0.168      
6 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.886 1.309 0.000 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.851 -1.433 0.000
y -1.433 -15.658 0.000
z 0.000 0.000 -17.587
Traceless
 xyz
x -4.229 -1.433 0.000
y -1.433 3.561 0.000
z 0.000 0.000 0.667
Polar
3z2-r21.335
x2-y2-5.193
xy-1.433
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.419 -0.428 0.000
y -0.428 4.550 0.000
z 0.000 0.000 3.046


<r2> (average value of r2) Å2
<r2> 33.257
(<r2>)1/2 5.767