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All results from a given calculation for HN=C=C(CN)2 (Dicyanoketenimine)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-316.307353
Energy at 298.15K 
HF Energy-315.332349
Nuclear repulsion energy211.500490
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.09314 0.09313 0.04674

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.053 0.000
C2 -0.010 1.286 0.000
N3 0.149 2.486 0.000
C4 -0.010 -0.765 1.249
C5 -0.010 -0.765 -1.249
N6 -0.010 -1.338 2.259
N7 -0.010 -1.338 -2.259
H8 -0.651 3.110 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33862.54441.43781.43782.59862.59863.2269
C21.33861.21142.40112.40113.46193.46191.9333
N32.54441.21143.48673.48674.44444.44441.0147
C41.43782.40113.48672.49851.16073.55444.1211
C51.43782.40113.48672.49853.55441.16074.1211
N62.59863.46194.44441.16073.55444.51745.0292
N72.59863.46194.44443.55441.16074.51745.0292
H83.22691.93331.01474.12114.12115.02925.0292

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.421 C1 C4 N6 179.906
C1 C5 N7 179.906 C2 C1 C4 119.676
C2 C1 C5 119.676 C2 N3 H8 120.311
C4 C1 C5 120.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability