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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G*
 hartrees
Energy at 0K-186.645720
Energy at 298.15K 
HF Energy-186.645720
Nuclear repulsion energy89.822653
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 HSEh1PBE/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 3284 0.00 756.96 0.32 0.48
2 Ag 2218 2128 0.00 26.47 0.40 0.57
3 Ag 1198 1150 0.00 24.66 0.75 0.85
4 Ag 947 909 0.00 36.80 0.26 0.42
5 Ag 300 288 0.00 4.45 0.41 0.58
6 Au 982 943 145.25 0.00 0.00 0.00
7 Au 259 248 0.00 0.00 0.00 0.00
8 Bg 684 656 0.00 7.76 0.75 0.86
9 Bu 3424 3285 2.38 0.00 0.00 0.00
10 Bu 1783 1711 168.46 0.00 0.00 0.00
11 Bu 1167 1120 399.24 0.00 0.00 0.00
12 Bu 288 277 8.71 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8336.5 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 7999.7 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 HSEh1PBE/6-311G*
ABC
9.62370 0.14279 0.14070

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.218 -0.608 0.000
C2 -0.218 0.608 0.000
N3 0.218 -1.848 0.000
N4 -0.218 1.848 0.000
H5 1.162 -2.242 0.000
H6 -1.162 2.242 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29151.23992.49401.88743.1665
C21.29152.49401.23993.16651.8874
N31.23992.49403.72111.02354.3163
N42.49401.23993.72114.31631.0235
H51.88743.16651.02354.31635.0508
H63.16651.88744.31631.02355.0508

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 160.285 C1 N3 H5 112.651
C2 C1 N3 160.285 C2 N4 H6 112.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.209      
2 C 0.209      
3 N -0.527      
4 N -0.527      
5 H 0.319      
6 H 0.319      


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 -20.093 -7.729 0.000
y -7.729 -23.410 0.000
z 0.000 0.000 -22.726
Traceless
 xyz
x 2.975 -7.729 0.000
y -7.729 -2.001 0.000
z 0.000 0.000 -0.974
Polar
3z2-r2-1.949
x2-y23.318
xy-7.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.612 -2.035 0.000
y -2.035 10.296 0.000
z 0.000 0.000 2.304


<r2> (average value of r2) Å2
<r2> 80.011
(<r2>)1/2 8.945