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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-185.717465
Energy at 298.15K 
HF Energy-185.717465
Nuclear repulsion energy90.868006
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 HF/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3689 3336 0.00 615.11 0.32 0.49
2 Ag 2458 2223 0.00 88.41 0.33 0.49
3 Ag 1294 1171 0.00 14.19 0.74 0.85
4 Ag 999 904 0.00 49.14 0.28 0.44
5 Ag 304 275 0.00 5.97 0.64 0.78
6 Au 1064 962 175.37 0.00 0.00 0.00
7 Au 281 254 0.60 0.00 0.00 0.00
8 Bg 705 638 0.00 10.28 0.75 0.86
9 Bu 3691 3338 16.63 0.00 0.00 0.00
10 Bu 1889 1708 319.70 0.00 0.00 0.00
11 Bu 1291 1168 368.89 0.00 0.00 0.00
12 Bu 319 288 17.75 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8991.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 8131.8 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 HF/6-311G*
ABC
11.02659 0.14451 0.14264

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.106 -0.627 0.000
C2 -0.106 0.627 0.000
N3 0.106 -1.851 0.000
N4 -0.106 1.851 0.000
H5 1.035 -2.238 0.000
H6 -1.035 2.238 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.27161.22382.48651.85923.0833
C21.27162.48651.22383.08331.8592
N31.22382.48653.70731.00604.2444
N42.48651.22383.70734.24441.0060
H51.85923.08331.00604.24444.9306
H63.08331.85924.24441.00604.9306

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 170.384 C1 N3 H5 112.625
C2 C1 N3 170.384 C2 N4 H6 112.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.302      
2 C 0.302      
3 N -0.631      
4 N -0.631      
5 H 0.329      
6 H 0.329      


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 -20.884 -8.219 0.000
y -8.219 -24.669 0.000
z 0.000 0.000 -22.996
Traceless
 xyz
x 2.949 -8.219 0.000
y -8.219 -2.729 0.000
z 0.000 0.000 -0.220
Polar
3z2-r2-0.439
x2-y23.785
xy-8.219
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.043 -1.443 0.000
y -1.443 10.471 0.000
z 0.000 0.000 2.289


<r2> (average value of r2) Å2
<r2> 79.382
(<r2>)1/2 8.910