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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-186.855470
Energy at 298.15K 
HF Energy-186.855470
Nuclear repulsion energy89.646574
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 B3LYP/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 3375 3261 0.00 824.50 0.32 0.49
2 Ag 2166 2093 0.00 25.27 0.41 0.58
3 Ag 1200 1160 0.00 27.00 0.74 0.85
4 Ag 936 905 0.00 35.69 0.26 0.41
5 Ag 304 294 0.00 4.28 0.40 0.57
6 Au 974 941 141.27 0.00 0.00 0.00
7 Au 257 249 0.00 0.00 0.00 0.00
8 Bg 684 661 0.00 8.74 0.75 0.86
9 Bu 3376 3262 2.74 0.00 0.00 0.00
10 Bu 1755 1696 155.85 0.00 0.00 0.00
11 Bu 1164 1125 413.87 0.00 0.00 0.00
12 Bu 285 275 7.41 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8237.8 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 7960.1 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 B3LYP/6-311G*
ABC
9.40017 0.14252 0.14039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.233 -0.604 0.000
C2 -0.233 0.604 0.000
N3 0.233 -1.847 0.000
N4 -0.233 1.847 0.000
H5 1.178 -2.246 0.000
H6 -1.178 2.246 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29501.24282.49481.89463.1805
C21.29502.49481.24283.18051.8946
N31.24282.49483.72301.02574.3296
N42.49481.24283.72304.32961.0257
H51.89463.18051.02574.32965.0729
H63.18051.89464.32961.02575.0729

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 158.889 C1 N3 H5 112.926
C2 C1 N3 158.889 C2 N4 H6 112.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 C 0.176      
3 N -0.486      
4 N -0.486      
5 H 0.310      
6 H 0.310      


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 -20.130 -7.600 0.000
y -7.600 -23.580 0.000
z 0.000 0.000 -22.770
Traceless
 xyz
x 3.045 -7.600 0.000
y -7.600 -2.130 0.000
z 0.000 0.000 -0.915
Polar
3z2-r2-1.829
x2-y23.450
xy-7.600
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.712 -2.161 0.000
y -2.161 10.347 0.000
z 0.000 0.000 2.313


<r2> (average value of r2) Å2
<r2> 80.251
(<r2>)1/2 8.958