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

using model chemistry: CCSD=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-316.692702
Energy at 298.15K 
HF Energy-315.430686
Nuclear repulsion energy213.263444
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=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVTZ
ABC
0.09488 0.09453 0.04753

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 -0.055 0.000
C2 -0.004 1.273 0.000
N3 0.122 2.465 0.000
C4 -0.004 -0.759 1.239
C5 -0.004 -0.759 -1.239
N6 -0.004 -1.325 2.243
N7 -0.004 -1.325 -2.243
H8 -0.682 3.079 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.32782.52301.42481.42482.57732.57733.2061
C21.32781.19872.37962.37963.43193.43191.9289
N32.52301.19873.45603.45604.40554.40551.0114
C41.42482.37963.45602.47741.15253.52714.0893
C51.42482.37963.45602.47743.52711.15254.0893
N62.57733.43194.40551.15253.52714.48534.9881
N72.57733.43194.40553.52711.15254.48534.9881
H83.20611.92891.01144.08934.08934.98814.9881

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.962 C1 C4 N6 179.795
C1 C5 N7 179.795 C2 C1 C4 119.614
C2 C1 C5 119.614 C2 N3 H8 121.334
C4 C1 C5 120.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability