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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-186.762173
Energy at 298.15K 
HF Energy-186.762173
Nuclear repulsion energy89.279929
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/TZVP
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 3302 3255 0.00 862.31 0.32 0.48
2 Ag 2043 2013 0.00 28.79 0.38 0.55
3 Ag 1155 1138 0.00 33.04 0.74 0.85
4 Ag 917 903 0.00 40.91 0.19 0.32
5 Ag 350 345 0.00 8.50 0.25 0.39
6 Au 938 925 123.70 0.00 0.00 0.00
7 Au 249 245 0.15 0.00 0.00 0.00
8 Bg 700 690 0.00 9.23 0.75 0.86
9 Bu 3302 3255 0.59 0.00 0.32 0.48
10 Bu 1714 1689 142.60 0.00 0.00 0.00
11 Bu 1106 1090 388.67 0.00 0.00 0.00
12 Bu 279 275 8.73 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8026.6 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 7911.0 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 B97D3/TZVP
ABC
8.27562 0.14275 0.14033

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.295 -0.585 0.000
C2 -0.295 0.585 0.000
N3 0.295 -1.834 0.000
N4 -0.295 1.834 0.000
H5 1.245 -2.230 0.000
H6 -1.245 2.230 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31091.24892.49061.89933.2089
C21.31092.49061.24893.20891.8993
N31.24892.49063.71571.02914.3462
N42.49061.24893.71574.34621.0291
H51.89933.20891.02914.34625.1079
H63.20891.89934.34621.02915.1079

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.273 C1 N3 H5 112.620
C2 C1 N3 153.273 C2 N4 H6 112.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 C -0.026      
3 N -0.188      
4 N -0.188      
5 H 0.214      
6 H 0.214      


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 -20.106 -7.295 0.000
y -7.295 -23.506 0.000
z 0.000 0.000 -22.837
Traceless
 xyz
x 3.065 -7.295 0.000
y -7.295 -2.035 0.000
z 0.000 0.000 -1.031
Polar
3z2-r2-2.062
x2-y23.400
xy-7.295
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.551 -2.395 0.000
y -2.395 11.049 0.000
z 0.000 0.000 2.858


<r2> (average value of r2) Å2
<r2> 80.359
(<r2>)1/2 8.964