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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B97D3/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-186.711344
Energy at 298.15K 
HF Energy-186.711344
Nuclear repulsion energy88.614238
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/cc-pVDZ
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 3264 3236 0.00 888.58 0.31 0.48
2 Ag 2023 2006 0.00 23.22 0.34 0.51
3 Ag 1164 1154 0.00 28.60 0.73 0.84
4 Ag 913 905 0.00 31.23 0.24 0.39
5 Ag 342 339 0.00 3.99 0.47 0.64
6 Au 923 915 105.37 0.00 0.00 0.00
7 Au 244 242 0.20 0.00 0.00 0.00
8 Bg 698 692 0.00 11.18 0.75 0.86
9 Bu 3264 3236 4.40 0.00 0.31 0.48
10 Bu 1716 1701 125.40 0.00 0.00 0.00
11 Bu 1114 1104 388.43 0.00 0.00 0.00
12 Bu 281 279 7.30 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7972.5 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 7904.8 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 B97D3/cc-pVDZ
ABC
7.52504 0.14146 0.13885

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 -0.580 0.000
C2 -0.324 0.580 0.000
N3 0.324 -1.838 0.000
N4 -0.324 1.838 0.000
H5 1.292 -2.214 0.000
H6 -1.292 2.214 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32881.25822.50351.89923.2277
C21.32882.50351.25823.22771.8992
N31.25822.50353.73301.03834.3626
N42.50351.25823.73304.36261.0383
H51.89923.22771.03834.36265.1268
H63.22771.89924.36261.03835.1268

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 150.788 C1 N3 H5 111.220
C2 C1 N3 150.788 C2 N4 H6 111.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 C -0.004      
3 N -0.122      
4 N -0.122      
5 H 0.126      
6 H 0.126      


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 -19.640 -6.698 0.000
y -6.698 -22.454 0.000
z 0.000 0.000 -22.398
Traceless
 xyz
x 2.787 -6.698 0.000
y -6.698 -1.435 0.000
z 0.000 0.000 -1.351
Polar
3z2-r2-2.703
x2-y22.814
xy-6.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.168 -2.622 0.000
y -2.622 10.022 0.000
z 0.000 0.000 2.288


<r2> (average value of r2) Å2
<r2> 80.640
(<r2>)1/2 8.980