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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-186.806036
Energy at 298.15K 
HF Energy-186.806036
Nuclear repulsion energy89.253923
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 B3LYP/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 3358 3224 0.00 771.99 0.32 0.48
2 Ag 2152 2067 0.00 25.64 0.39 0.56
3 Ag 1202 1154 0.00 31.44 0.74 0.85
4 Ag 944 907 0.00 36.03 0.28 0.44
5 Ag 331 318 0.00 3.67 0.33 0.50
6 Au 964 925 134.75 0.00 0.00 0.00
7 Au 255 245 0.08 0.00 0.00 0.00
8 Bg 691 663 0.00 13.39 0.75 0.86
9 Bu 3358 3225 2.98 0.00 0.00 0.00
10 Bu 1768 1698 150.95 0.00 0.00 0.00
11 Bu 1160 1114 401.03 0.00 0.00 0.00
12 Bu 283 272 5.89 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8232.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 7906.0 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 B3LYP/6-31G*
ABC
8.74471 0.14194 0.13967

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.264 -0.597 0.000
C2 -0.264 0.597 0.000
N3 0.264 -1.846 0.000
N4 -0.264 1.846 0.000
H5 1.217 -2.235 0.000
H6 -1.217 2.235 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30551.24922.49971.89523.1959
C21.30552.49971.24923.19591.8952
N31.24922.49973.73011.02944.3417
N42.49971.24923.73014.34171.0294
H51.89523.19591.02944.34175.0899
H63.19591.89524.34171.02945.0899

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 156.160 C1 N3 H5 112.191
C2 C1 N3 156.160 C2 N4 H6 112.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.244      
2 C 0.244      
3 N -0.571      
4 N -0.571      
5 H 0.327      
6 H 0.327      


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 -19.616 -7.338 0.000
y -7.338 -23.358 0.000
z 0.000 0.000 -22.401
Traceless
 xyz
x 3.263 -7.338 0.000
y -7.338 -2.349 0.000
z 0.000 0.000 -0.914
Polar
3z2-r2-1.828
x2-y23.742
xy-7.338
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.664 -2.369 0.000
y -2.369 10.075 0.000
z 0.000 0.000 1.999


<r2> (average value of r2) Å2
<r2> 80.375
(<r2>)1/2 8.965