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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-132.533712
Energy at 298.15K-132.536754
HF Energy-132.392652
Nuclear repulsion energy63.545789
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 B2PLYP/6-31G*
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' 3264 3098 3.36      
2 A' 3155 2995 20.60      
3 A' 1722 1634 8.38      
4 A' 1552 1473 0.06      
5 A' 1326 1259 8.42      
6 A' 1063 1009 0.06      
7 A' 1017 965 51.61      
8 A' 689 654 11.22      
9 A" 3244 3079 25.63      
10 A" 1139 1081 1.26      
11 A" 997 946 0.11      
12 A" 793 752 13.15      

Unscaled Zero Point Vibrational Energy (zpe) 9979.2 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 9472.3 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 B2PLYP/6-31G*
ABC
1.17958 0.74231 0.50196

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.867 -0.170 0.000
C2 0.000 0.748 0.000
C3 0.658 -0.533 0.000
H4 0.040 1.830 0.000
H5 1.043 -0.963 0.921
H6 1.043 -0.963 -0.921

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26311.56782.19682.26382.2638
C21.26311.43981.08342.20462.2046
C31.56781.43982.44291.08651.0865
H42.19681.08342.44293.10723.1072
H52.26382.20461.08653.10721.8413
H62.26382.20461.08653.10721.8413

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 70.559 N1 C2 H4 138.722
N1 C3 C2 49.441 N1 C3 H5 115.869
N1 C3 H6 115.869 C2 N1 C3 60.000
C2 C3 N1 49.441 C2 C3 H5 120.904
C2 C3 H6 120.904 C3 C2 H4 150.719
H5 C3 H6 115.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.304      
2 C 0.073      
3 C -0.283      
4 H 0.181      
5 H 0.167      
6 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.789 1.270 0.000 2.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.297 -1.348 0.000
y -1.348 -15.610 0.000
z 0.000 0.000 -17.305
Traceless
 xyz
x -3.839 -1.348 0.000
y -1.348 3.191 0.000
z 0.000 0.000 0.648
Polar
3z2-r21.297
x2-y2-4.687
xy-1.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.646 -0.540 0.000
y -0.540 4.180 0.000
z 0.000 0.000 2.526


<r2> (average value of r2) Å2
<r2> 33.280
(<r2>)1/2 5.769