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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-186.628201
Energy at 298.15K 
HF Energy-186.628201
Nuclear repulsion energy89.808925
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 PBE1PBE/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 3428 3286 0.00 744.20 0.32 0.48
2 Ag 2219 2127 0.00 27.17 0.39 0.57
3 Ag 1199 1149 0.00 24.41 0.75 0.85
4 Ag 948 908 0.00 36.85 0.26 0.42
5 Ag 301 288 0.00 4.54 0.41 0.58
6 Au 983 942 145.46 0.00 0.00 0.00
7 Au 258 248 0.00 0.00 0.00 0.00
8 Bg 685 656 0.00 7.86 0.75 0.86
9 Bu 3429 3287 2.39 0.00 0.00 0.00
10 Bu 1785 1711 169.97 0.00 0.00 0.00
11 Bu 1167 1119 399.54 0.00 0.00 0.00
12 Bu 289 277 8.67 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8345.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 7998.9 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 PBE1PBE/6-311G*
ABC
9.57263 0.14279 0.14069

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.220 -0.607 0.000
C2 -0.220 0.607 0.000
N3 0.220 -1.848 0.000
N4 -0.220 1.848 0.000
H5 1.166 -2.240 0.000
H6 -1.166 2.240 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29231.24002.49421.88653.1667
C21.29232.49421.24003.16671.8865
N31.24002.49423.72121.02364.3160
N42.49421.24003.72124.31601.0236
H51.88653.16671.02364.31605.0501
H63.16671.88654.31601.02365.0501

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 160.079 C1 N3 H5 112.547
C2 C1 N3 160.079 C2 N4 H6 112.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.213      
2 C 0.213      
3 N -0.532      
4 N -0.532      
5 H 0.319      
6 H 0.319      


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 -20.065 -7.732 0.000
y -7.732 -23.413 0.000
z 0.000 0.000 -22.727
Traceless
 xyz
x 3.005 -7.732 0.000
y -7.732 -2.016 0.000
z 0.000 0.000 -0.988
Polar
3z2-r2-1.977
x2-y23.347
xy-7.732
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.622 -2.042 0.000
y -2.042 10.279 0.000
z 0.000 0.000 2.304


<r2> (average value of r2) Å2
<r2> 80.010
(<r2>)1/2 8.945