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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-186.673039
Energy at 298.15K 
HF Energy-186.673039
Nuclear repulsion energy89.105040
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 PBEPBE/Def2TZVPP
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 3291 3251 0.00 861.52 0.31 0.47
2 Ag 2058 2033 0.00 22.00 0.41 0.58
3 Ag 1141 1127 0.00 29.39 0.65 0.79
4 Ag 915 904 0.00 42.14 0.19 0.32
5 Ag 325 321 0.00 3.65 0.36 0.53
6 Au 931 920 112.75 0.00 0.00 0.00
7 Au 247 244 0.06 0.00 0.00 0.00
8 Bg 677 669 0.00 6.26 0.75 0.86
9 Bu 3290 3250 1.90 0.00 0.00 0.00
10 Bu 1710 1689 135.09 0.00 0.00 0.00
11 Bu 1097 1084 380.57 0.00 0.00 0.00
12 Bu 276 272 6.88 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7978.1 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 7881.6 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 PBEPBE/Def2TZVPP
ABC
8.56825 0.14175 0.13944

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.276 -0.594 0.000
C2 -0.276 0.594 0.000
N3 0.276 -1.845 0.000
N4 -0.276 1.845 0.000
H5 1.229 -2.243 0.000
H6 -1.229 2.243 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30931.25102.49991.90473.2109
C21.30932.49991.25103.21091.9047
N31.25102.49993.73031.03284.3556
N42.49991.25103.73034.35561.0328
H51.90473.21091.03284.35565.1148
H63.21091.90474.35561.03285.1148

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 155.069 C1 N3 H5 112.679
C2 C1 N3 155.069 C2 N4 H6 112.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 C -0.014      
3 N -0.180      
4 N -0.180      
5 H 0.194      
6 H 0.194      


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 -20.367 -7.045 0.000
y -7.045 -23.299 0.000
z 0.000 0.000 -22.992
Traceless
 xyz
x 2.778 -7.045 0.000
y -7.045 -1.620 0.000
z 0.000 0.000 -1.159
Polar
3z2-r2-2.318
x2-y22.932
xy-7.045
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.741 -2.294 0.000
y -2.294 11.228 0.000
z 0.000 0.000 3.238


<r2> (average value of r2) Å2
<r2> 80.803
(<r2>)1/2 8.989