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

using model chemistry: CCSD/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 CCSD/6-31+G**
 hartrees
Energy at 0K-316.326787
Energy at 298.15K 
HF Energy-315.329401
Nuclear repulsion energy210.795917
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 CCSD/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31+G**
ABC
0.09259 0.09256 0.04646

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.052 0.000
C2 -0.010 1.289 0.000
N3 0.150 2.494 0.000
C4 -0.010 -0.766 1.250
C5 -0.010 -0.766 -1.250
N6 -0.010 -1.343 2.267
N7 -0.010 -1.343 -2.267
H8 -0.656 3.116 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34092.55171.43961.43962.60832.60833.2330
C21.34091.21642.40532.40533.47313.47311.9377
N32.55171.21643.49583.49584.45964.45961.0173
C41.43962.40533.49582.49991.16883.56354.1290
C51.43962.40533.49582.49993.56351.16884.1290
N62.60833.47314.45961.16883.56354.53335.0431
N72.60833.47314.45963.56351.16884.53335.0431
H83.23301.93771.01734.12904.12905.04315.0431

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.441 C1 C4 N6 179.817
C1 C5 N7 179.817 C2 C1 C4 119.740
C2 C1 C5 119.740 C2 N3 H8 120.077
C4 C1 C5 120.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability