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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-186.782926
Energy at 298.15K 
HF Energy-186.782926
Nuclear repulsion energy89.870259
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 wB97X-D/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 3456 3306 0.00 655.10 0.31 0.48
2 Ag 2241 2143 0.00 31.36 0.37 0.54
3 Ag 1185 1134 0.00 20.10 0.75 0.86
4 Ag 945 904 0.00 37.75 0.27 0.43
5 Ag 281 269 0.00 4.99 0.42 0.60
6 Au 976 934 138.62 0.00 0.00 0.00
7 Au 254 243 0.02 0.00 0.00 0.00
8 Bg 674 645 0.00 7.85 0.75 0.86
9 Bu 3457 3306 12.09 0.00 0.00 0.00
10 Bu 1782 1705 198.38 0.00 0.00 0.00
11 Bu 1158 1107 385.12 0.00 0.00 0.00
12 Bu 287 275 8.03 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8348.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 7985.4 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 wB97X-D/6-311G**
ABC
9.70005 0.14276 0.14069

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.206 -0.611 0.000
C2 -0.206 0.611 0.000
N3 0.206 -1.850 0.000
N4 -0.206 1.850 0.000
H5 1.154 -2.234 0.000
H6 -1.154 2.234 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29031.23912.49611.87953.1540
C21.29032.49611.23913.15401.8795
N31.23912.49613.72381.02294.3051
N42.49611.23913.72384.30511.0229
H51.87953.15401.02294.30515.0294
H63.15401.87954.30511.02295.0294

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 161.373 C1 N3 H5 112.029
C2 C1 N3 161.373 C2 N4 H6 112.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.147      
2 C 0.147      
3 N -0.363      
4 N -0.363      
5 H 0.216      
6 H 0.216      


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 -20.129 -7.576 0.000
y -7.576 -23.539 0.000
z 0.000 0.000 -22.619
Traceless
 xyz
x 2.950 -7.576 0.000
y -7.576 -2.164 0.000
z 0.000 0.000 -0.785
Polar
3z2-r2-1.570
x2-y23.409
xy-7.576
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.596 -1.964 0.000
y -1.964 10.298 0.000
z 0.000 0.000 2.370


<r2> (average value of r2) Å2
<r2> 79.976
(<r2>)1/2 8.943