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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-186.828603
Energy at 298.15K 
HF Energy-186.828603
Nuclear repulsion energy89.084424
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 TPSSh/6-31+G**
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 3390 3263 0.00 681.23 0.34 0.51
2 Ag 2087 2009 0.00 43.44 0.35 0.52
3 Ag 1173 1129 0.00 32.37 0.73 0.84
4 Ag 933 898 0.00 47.79 0.18 0.30
5 Ag 353 339 0.00 6.96 0.24 0.39
6 Au 954 918 133.74 0.00 0.00 0.00
7 Au 252 242 0.09 0.00 0.00 0.00
8 Bg 714 687 0.00 6.90 0.75 0.86
9 Bu 3391 3263 4.88 0.00 0.00 0.00
10 Bu 1751 1685 175.87 0.00 0.00 0.00
11 Bu 1123 1081 401.27 0.00 0.00 0.00
12 Bu 280 270 8.83 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8199.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 7892.1 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 TPSSh/6-31+G**
ABC
8.17627 0.14214 0.13971

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.300 -0.586 0.000
C2 -0.300 0.586 0.000
N3 0.300 -1.838 0.000
N4 -0.300 1.838 0.000
H5 1.250 -2.230 0.000
H6 -1.250 2.230 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31621.25182.49671.89863.2138
C21.31622.49671.25183.21381.8986
N31.25182.49673.72401.02794.3526
N42.49671.25183.72404.35261.0279
H51.89863.21381.02794.35265.1122
H63.21381.89864.35261.02795.1122

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 152.918 C1 N3 H5 112.415
C2 C1 N3 152.918 C2 N4 H6 112.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.105      
2 C 0.105      
3 N -0.397      
4 N -0.397      
5 H 0.292      
6 H 0.292      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.605 -2.300 0.000
y -2.300 11.223 0.000
z 0.000 0.000 3.024


<r2> (average value of r2) Å2
<r2> 80.760
(<r2>)1/2 8.987