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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-132.529273
Energy at 298.15K-132.532334
HF Energy-132.529273
Nuclear repulsion energy63.703792
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/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' 3233 3109 1.08      
2 A' 3110 2991 19.52      
3 A' 1770 1702 9.09      
4 A' 1485 1428 0.21      
5 A' 1346 1294 6.75      
6 A' 1038 998 0.70      
7 A' 997 959 55.66      
8 A' 724 696 14.76      
9 A" 3207 3083 20.77      
10 A" 1103 1060 1.28      
11 A" 983 945 0.10      
12 A" 803 772 14.57      

Unscaled Zero Point Vibrational Energy (zpe) 9898.9 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 9517.8 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/cc-pVDZ
ABC
1.18325 0.74762 0.50591

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.171 0.000
C2 0.000 0.744 0.000
C3 0.652 -0.531 0.000
H4 0.039 1.835 0.000
H5 1.047 -0.958 0.928
H6 1.047 -0.958 -0.928

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25811.55782.19962.26552.2655
C21.25811.43161.09182.20352.2035
C31.55781.43162.44391.09581.0958
H42.19961.09182.44393.11153.1115
H52.26552.20351.09583.11151.8567
H62.26552.20351.09583.11151.8567

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 70.445 N1 C2 H4 138.679
N1 C3 C2 49.555 N1 C3 H5 116.163
N1 C3 H6 116.163 C2 N1 C3 60.000
C2 C3 N1 49.555 C2 C3 H5 120.770
C2 C3 H6 120.770 C3 C2 H4 150.876
H5 C3 H6 115.816
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.158      
2 C 0.011      
3 C -0.018      
4 H 0.042      
5 H 0.061      
6 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.664 1.291 0.000 2.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.133 -1.242 0.000
y -1.242 -15.533 0.000
z 0.000 0.000 -17.269
Traceless
 xyz
x -3.733 -1.242 0.000
y -1.242 3.168 0.000
z 0.000 0.000 0.564
Polar
3z2-r21.128
x2-y2-4.601
xy-1.242
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.725 -0.545 0.000
y -0.545 4.291 0.000
z 0.000 0.000 2.713


<r2> (average value of r2) Å2
<r2> 33.129
(<r2>)1/2 5.756