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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: CCD/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 CCD/Def2TZVPP
 hartrees
Energy at 0K-186.454200
Energy at 298.15K 
HF Energy-185.752452
Nuclear repulsion energy89.661381
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 CCD/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 3470 3470 0.00      
2 Ag 2200 2200 0.00      
3 Ag 1198 1198 0.00      
4 Ag 940 940 0.00      
5 Ag 294 294 0.00      
6 Au 974 974 123.17      
7 Au 248 248 0.12      
8 Bg 658 658 0.00      
9 Bu 3471 3471 19.71      
10 Bu 1762 1762 142.96      
11 Bu 1177 1177 357.76      
12 Bu 287 287 6.36      

Unscaled Zero Point Vibrational Energy (zpe) 8339.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8339.6 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 CCD/Def2TZVPP
ABC
9.39521 0.14230 0.14018

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.225 -0.608 0.000
C2 -0.225 0.608 0.000
N3 0.225 -1.851 0.000
N4 -0.225 1.851 0.000
H5 1.174 -2.226 0.000
H6 -1.174 2.226 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29721.24312.50041.87503.1605
C21.29722.50041.24313.16051.8750
N31.24312.50043.72981.01954.3104
N42.50041.24313.72984.31041.0195
H51.87503.16051.01954.31045.0325
H63.16051.87504.31041.01955.0325

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 159.664 C1 N3 H5 111.554
C2 C1 N3 159.664 C2 N4 H6 111.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability