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

using model chemistry: CCSD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-316.404904
Energy at 298.15K 
HF Energy-315.387334
Nuclear repulsion energy211.444289
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/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCSD/6-311G*
ABC
0.09314 0.09300 0.04671

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.053 0.000
C2 -0.006 1.286 0.000
N3 0.132 2.487 0.000
C4 -0.006 -0.766 1.250
C5 -0.006 -0.766 -1.250
N6 -0.006 -1.337 2.260
N7 -0.006 -1.337 -2.260
H8 -0.678 3.103 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33952.54451.43851.43852.59972.59973.2268
C21.33951.20912.40252.40253.46313.46311.9367
N32.54451.20913.48763.48764.44504.44501.0170
C41.43852.40253.48762.49961.16123.55664.1204
C51.43852.40253.48762.49963.55661.16124.1204
N62.59973.46314.44501.16123.55664.52105.0275
N72.59973.46314.44503.55661.16124.52105.0275
H83.22681.93671.01704.12044.12045.02755.0275

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.437 C1 C4 N6 179.820
C1 C5 N7 179.820 C2 C1 C4 119.679
C2 C1 C5 119.679 C2 N3 H8 120.673
C4 C1 C5 120.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability