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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: CCD/6-31G

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/6-31G
 hartrees
Energy at 0K-186.000817
Energy at 298.15K 
HF Energy-185.576381
Nuclear repulsion energy87.983637
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/6-31G
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 3359 3223 0.00      
2 Ag 2100 2015 0.00      
3 Ag 1203 1154 0.00      
4 Ag 926 888 0.00      
5 Ag 386 370 0.00      
6 Au 968 929 166.28      
7 Au 228 219 0.03      
8 Bg 689 662 0.00      
9 Bu 3362 3226 2.58      
10 Bu 1711 1642 59.15      
11 Bu 1135 1089 503.41      
12 Bu 293 281 9.54      

Unscaled Zero Point Vibrational Energy (zpe) 8180.0 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 7848.7 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/6-31G
ABC
8.50798 0.13826 0.13605

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.295 -0.592 0.000
C2 -0.295 0.592 0.000
N3 0.295 -1.863 0.000
N4 -0.295 1.863 0.000
H5 1.230 -2.302 0.000
H6 -1.230 2.302 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32341.27112.52541.94873.2715
C21.32342.52541.27113.27151.9487
N31.27112.52543.77301.03274.4358
N42.52541.27113.77304.43581.0327
H51.94873.27151.03274.43585.2201
H63.27151.94874.43581.03275.2201

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.493 C1 N3 H5 115.138
C2 C1 N3 153.493 C2 N4 H6 115.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability