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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-186.670573
Energy at 298.15K 
HF Energy-186.466393
Nuclear repulsion energy89.389865
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3423 3423 0.00 729.08 0.32 0.49
2 Ag 2116 2116 0.00 20.80 0.39 0.56
3 Ag 1203 1203 0.00 27.72 0.74 0.85
4 Ag 925 925 0.00 34.71 0.25 0.39
5 Ag 315 315 0.00 4.97 0.28 0.44
6 Au 973 973 141.54 0.00 0.00 0.00
7 Au 256 256 0.03 0.00 0.00 0.00
8 Bg 699 699 0.00 8.39 0.75 0.86
9 Bu 3424 3424 2.12 0.00 0.32 0.48
10 Bu 1731 1731 123.71 0.00 0.00 0.00
11 Bu 1160 1160 447.61 0.00 0.00 0.00
12 Bu 285 285 7.53 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8253.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8253.7 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/6-311G*
ABC
8.88316 0.14222 0.13998

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.262 -0.596 0.000
C2 -0.262 0.596 0.000
N3 0.262 -1.845 0.000
N4 -0.262 1.845 0.000
H5 1.208 -2.236 0.000
H6 -1.208 2.236 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30301.24832.49671.89303.1914
C21.30302.49671.24833.19141.8930
N31.24832.49673.72631.02324.3377
N42.49671.24833.72634.33771.0232
H51.89303.19141.02324.33775.0832
H63.19141.89304.33771.02325.0832

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 156.247 C1 N3 H5 112.516
C2 C1 N3 156.247 C2 N4 H6 112.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.170      
2 C 0.170      
3 N -0.485      
4 N -0.485      
5 H 0.315      
6 H 0.315      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.042 -7.653 0.000
y -7.653 -23.478 0.000
z 0.000 0.000 -22.881
Traceless
 xyz
x 3.138 -7.653 0.000
y -7.653 -2.016 0.000
z 0.000 0.000 -1.122
Polar
3z2-r2-2.243
x2-y23.436
xy-7.653
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.818 -2.234 0.000
y -2.234 10.208 0.000
z 0.000 0.000 2.318


<r2> (average value of r2) Å2
<r2> 80.436
(<r2>)1/2 8.969