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

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-132.680155
Energy at 298.15K-132.683125
HF Energy-132.680155
Nuclear repulsion energy63.154317
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 BLYP/TZVP
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' 3110 3103 5.21      
2 A' 3026 3019 23.29      
3 A' 1673 1668 8.12      
4 A' 1472 1468 0.06      
5 A' 1240 1237 10.18      
6 A' 1010 1008 0.04      
7 A' 953 951 57.50      
8 A' 624 622 12.67      
9 A" 3113 3105 21.39      
10 A" 1084 1081 1.27      
11 A" 944 942 0.19      
12 A" 773 771 15.90      

Unscaled Zero Point Vibrational Energy (zpe) 9510.4 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 9486.6 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 BLYP/TZVP
ABC
1.18165 0.72321 0.49416

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.876 -0.158 0.000
C2 0.000 0.748 0.000
C3 0.666 -0.544 0.000
H4 0.045 1.836 0.000
H5 1.046 -0.976 0.927
H6 1.046 -0.976 -0.927

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26041.59032.19712.28552.2855
C21.26041.45371.08952.21892.2189
C31.59031.45372.46031.09051.0905
H42.19711.08952.46033.12543.1254
H52.28552.21891.09053.12541.8534
H62.28552.21891.09053.12541.8534

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 71.333 N1 C2 H4 138.325
N1 C3 C2 48.667 N1 C3 H5 115.721
N1 C3 H6 115.721 C2 N1 C3 60.000
C2 C3 N1 48.667 C2 C3 H5 120.748
C2 C3 H6 120.748 C3 C2 H4 150.342
H5 C3 H6 116.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.152      
2 C 0.005      
3 C -0.260      
4 H 0.134      
5 H 0.137      
6 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.762 1.218 0.000 2.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.984 -1.410 0.000
y -1.410 -16.029 0.000
z 0.000 0.000 -17.693
Traceless
 xyz
x -4.123 -1.410 0.000
y -1.410 3.309 0.000
z 0.000 0.000 0.814
Polar
3z2-r21.628
x2-y2-4.955
xy-1.410
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.540 -0.542 0.000
y -0.542 4.881 0.000
z 0.000 0.000 3.168


<r2> (average value of r2) Å2
<r2> 33.922
(<r2>)1/2 5.824