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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HF/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 HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-185.747342
Energy at 298.15K 
HF Energy-185.747342
Nuclear repulsion energy90.984606
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/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 3672 3336 0.00 511.82 0.31 0.47
2 Ag 2435 2212 0.00 101.93 0.34 0.51
3 Ag 1265 1149 0.00 15.39 0.62 0.76
4 Ag 997 906 0.00 62.70 0.17 0.29
5 Ag 333 302 0.00 6.37 0.61 0.76
6 Au 1047 951 148.07 0.00 0.00 0.00
7 Au 278 253 0.64 0.00 0.00 0.00
8 Bg 705 641 0.00 5.64 0.75 0.86
9 Bu 3673 3337 58.09 0.00 0.00 0.00
10 Bu 1882 1710 358.22 0.00 0.00 0.00
11 Bu 1261 1146 336.92 0.00 0.00 0.00
12 Bu 317 288 12.39 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8932.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8116.2 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 HF/6-311+G(3df,2p)
ABC
11.06826 0.14493 0.14306

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 -0.625 0.000
C2 -0.113 0.625 0.000
N3 0.113 -1.847 0.000
N4 -0.113 1.847 0.000
H5 1.040 -2.240 0.000
H6 -1.040 2.240 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.27121.22112.48241.86103.0882
C21.27122.48241.22113.08821.8610
N31.22112.48243.70011.00624.2456
N42.48241.22113.70014.24561.0062
H51.86103.08821.00624.24564.9381
H63.08821.86104.24561.00624.9381

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 169.738 C1 N3 H5 112.987
C2 C1 N3 169.738 C2 N4 H6 112.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.881      
2 C 0.881      
3 N -1.083      
4 N -1.083      
5 H 0.202      
6 H 0.202      


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 -21.155 -7.782 0.000
y -7.782 -24.587 0.000
z 0.000 0.000 -23.290
Traceless
 xyz
x 2.783 -7.782 0.000
y -7.782 -2.365 0.000
z 0.000 0.000 -0.418
Polar
3z2-r2-0.837
x2-y23.432
xy-7.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.154 -1.267 0.000
y -1.267 11.341 0.000
z 0.000 0.000 3.547


<r2> (average value of r2) Å2
<r2> 79.330
(<r2>)1/2 8.907