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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-186.720195
Energy at 298.15K 
HF Energy-186.720195
Nuclear repulsion energy89.513755
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 M06-2X/6-31G*
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 3412 3232 0.00 733.88 0.32 0.48
2 Ag 2261 2141 0.00 27.05 0.41 0.58
3 Ag 1197 1134 0.00 24.62 0.75 0.86
4 Ag 960 910 0.00 38.60 0.31 0.47
5 Ag 316 300 0.00 3.85 0.39 0.56
6 Au 975 923 148.66 0.00 0.00 0.00
7 Au 255 241 0.12 0.00 0.00 0.00
8 Bg 677 642 0.00 11.23 0.75 0.86
9 Bu 3413 3232 5.27 0.00 0.00 0.00
10 Bu 1814 1717 187.75 0.00 0.00 0.00
11 Bu 1166 1104 366.99 0.00 0.00 0.00
12 Bu 287 272 8.90 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8366.6 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 7923.2 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 M06-2X/6-31G*
ABC
9.39505 0.14187 0.13976

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.220 -0.611 0.000
C2 -0.220 0.611 0.000
N3 0.220 -1.854 0.000
N4 -0.220 1.854 0.000
H5 1.174 -2.235 0.000
H6 -1.174 2.235 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29791.24382.50391.88443.1691
C21.29792.50391.24383.16911.8844
N31.24382.50393.73471.02764.3209
N42.50391.24383.73474.32091.0276
H51.88443.16911.02764.32095.0502
H63.16911.88444.32091.02765.0502

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 160.190 C1 N3 H5 111.766
C2 C1 N3 160.190 C2 N4 H6 111.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.249      
2 C 0.249      
3 N -0.596      
4 N -0.596      
5 H 0.346      
6 H 0.346      


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 -19.820 -7.695 0.000
y -7.695 -23.462 0.000
z 0.000 0.000 -22.571
Traceless
 xyz
x 3.196 -7.695 0.000
y -7.695 -2.267 0.000
z 0.000 0.000 -0.930
Polar
3z2-r2-1.860
x2-y23.642
xy-7.695
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.421 -2.111 0.000
y -2.111 10.032 0.000
z 0.000 0.000 1.975


<r2> (average value of r2) Å2
<r2> 80.334
(<r2>)1/2 8.963