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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: BLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.843633
Energy at 298.15K 
HF Energy-186.843633
Nuclear repulsion energy89.049128
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/6-311+G(3df,2p)
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 3266 3248 0.00 820.43 0.33 0.50
2 Ag 2021 2010 0.00 24.98 0.40 0.57
3 Ag 1146 1139 0.00 37.86 0.52 0.69
4 Ag 906 901 0.00 48.07 0.15 0.27
5 Ag 337 336 0.00 2.18 0.50 0.67
6 Au 927 922 109.25 0.00 0.00 0.00
7 Au 245 244 0.06 0.00 0.00 0.00
8 Bg 679 675 0.00 4.19 0.75 0.86
9 Bu 3265 3247 1.35 0.00 0.00 0.00
10 Bu 1687 1678 145.15 0.00 0.00 0.00
11 Bu 1100 1094 383.57 0.00 0.00 0.00
12 Bu 272 271 6.35 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7924.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7881.2 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/6-311+G(3df,2p)
ABC
8.53205 0.14170 0.13939

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.283 -0.591 0.000
C2 -0.283 0.591 0.000
N3 0.283 -1.843 0.000
N4 -0.283 1.843 0.000
H5 1.231 -2.252 0.000
H6 -1.231 2.252 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31011.25222.49871.91273.2207
C21.31012.49871.25223.22071.9127
N31.25222.49873.72921.03274.3658
N42.49871.25223.72924.36581.0327
H51.91273.22071.03274.36585.1328
H63.22071.91274.36581.03275.1328

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 154.425 C1 N3 H5 113.322
C2 C1 N3 154.425 C2 N4 H6 113.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.491      
2 C 0.491      
3 N -0.717      
4 N -0.717      
5 H 0.227      
6 H 0.227      


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 -20.667 -7.059 0.000
y -7.059 -24.010 0.000
z 0.000 0.000 -23.338
Traceless
 xyz
x 3.007 -7.059 0.000
y -7.059 -2.007 0.000
z 0.000 0.000 -1.000
Polar
3z2-r2-1.999
x2-y23.342
xy-7.059
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.204 -2.219 0.000
y -2.219 11.843 0.000
z 0.000 0.000 3.795


<r2> (average value of r2) Å2
<r2> 81.155
(<r2>)1/2 9.009