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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-185.751507
Energy at 298.15K 
HF Energy-185.751507
Nuclear repulsion energy90.967443
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 HF/daug-cc-pVTZ
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 3662 3313 0.00 535.61 0.30 0.46
2 Ag 2430 2198 0.00 94.47 0.36 0.53
3 Ag 1268 1147 0.00 15.86 0.55 0.71
4 Ag 997 902 0.00 63.91 0.16 0.28
5 Ag 334 303 0.00 6.29 0.61 0.76
6 Au 1046 946 146.63 0.00 0.00 0.00
7 Au 277 251 0.61 0.00 0.00 0.00
8 Bg 702 635 0.00 5.38 0.75 0.86
9 Bu 3663 3314 57.87 0.00 0.00 0.00
10 Bu 1881 1702 355.85 0.00 0.00 0.00
11 Bu 1264 1144 344.23 0.00 0.00 0.00
12 Bu 316 286 11.56 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8921.1 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 8070.0 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 HF/daug-cc-pVTZ
ABC
11.04580 0.14490 0.14302

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.625 0.000
C2 -0.119 0.625 0.000
N3 0.119 -1.846 0.000
N4 -0.119 1.846 0.000
H5 1.045 -2.239 0.000
H6 -1.045 2.239 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.27211.22132.48241.86083.0914
C21.27212.48241.22133.09141.8608
N31.22132.48243.70001.00594.2477
N42.48241.22133.70004.24771.0059
H51.86083.09141.00594.24774.9417
H63.09141.86084.24771.00594.9417

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 169.192 C1 N3 H5 112.980
C2 C1 N3 169.192 C2 N4 H6 112.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.536      
2 C 0.536      
3 N -0.954      
4 N -0.954      
5 H 0.419      
6 H 0.419      


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 -21.110 -7.725 0.000
y -7.725 -24.564 0.000
z 0.000 0.000 -23.272
Traceless
 xyz
x 2.808 -7.725 0.000
y -7.725 -2.373 0.000
z 0.000 0.000 -0.435
Polar
3z2-r2-0.870
x2-y23.454
xy-7.725
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.297 -1.316 0.000
y -1.316 11.401 0.000
z 0.000 0.000 3.668


<r2> (average value of r2) Å2
<r2> 79.333
(<r2>)1/2 8.907