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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-186.691551
Energy at 298.15K 
HF Energy-186.691551
Nuclear repulsion energy88.763509
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3275 3211 0.00 791.23 0.32 0.48
2 Ag 2030 1990 0.00 24.45 0.34 0.51
3 Ag 1184 1161 0.00 34.22 0.74 0.85
4 Ag 920 902 0.00 32.98 0.26 0.41
5 Ag 358 351 0.00 4.11 0.35 0.52
6 Au 934 916 127.69 0.00 0.00 0.00
7 Au 246 242 0.01 0.00 0.00 0.00
8 Bg 703 689 0.00 14.03 0.75 0.86
9 Bu 3275 3211 7.07 0.00 0.32 0.48
10 Bu 1722 1688 121.38 0.00 0.00 0.00
11 Bu 1129 1107 407.24 0.00 0.00 0.00
12 Bu 281 276 6.46 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8028.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 7871.6 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 B97D3/6-31G*
ABC
7.66678 0.14183 0.13925

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 -0.579 0.000
C2 -0.321 0.579 0.000
N3 0.321 -1.836 0.000
N4 -0.321 1.836 0.000
H5 1.281 -2.220 0.000
H6 -1.281 2.220 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32361.25752.49871.90163.2250
C21.32362.49871.25753.22501.9016
N31.25752.49873.72791.03384.3613
N42.49871.25753.72794.36131.0338
H51.90163.22501.03384.36135.1265
H63.22501.90164.36131.03385.1265

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 150.959 C1 N3 H5 111.812
C2 C1 N3 150.959 C2 N4 H6 111.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.217      
2 C 0.217      
3 N -0.542      
4 N -0.542      
5 H 0.325      
6 H 0.325      


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 -19.308 -7.147 0.000
y -7.147 -22.933 0.000
z 0.000 0.000 -22.380
Traceless
 xyz
x 3.349 -7.147 0.000
y -7.147 -2.089 0.000
z 0.000 0.000 -1.259
Polar
3z2-r2-2.519
x2-y23.625
xy-7.147
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.013 -2.575 0.000
y -2.575 10.051 0.000
z 0.000 0.000 2.053


<r2> (average value of r2) Å2
<r2> 80.492
(<r2>)1/2 8.972