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

using model chemistry: CCSD(T)/TZVP

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(T)/TZVP
 hartrees
Energy at 0K-316.491635
Energy at 298.15K 
HF Energy-315.413588
Nuclear repulsion energy211.408920
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(T)/TZVP
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/TZVP
ABC
0.09340 0.09289 0.04675

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.051 0.000
C2 -0.012 1.287 0.000
N3 0.159 2.489 0.000
C4 -0.012 -0.764 1.245
C5 -0.012 -0.764 -1.245
N6 -0.012 -1.342 2.257
N7 -0.012 -1.342 -2.257
H8 -0.648 3.112 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33862.54561.43431.43432.59942.59943.2269
C21.33861.21332.39912.39913.46463.46461.9325
N32.54561.21333.48643.48644.44884.44881.0193
C41.43432.39913.48642.48991.16513.54894.1202
C51.43432.39913.48642.48993.54891.16514.1202
N62.59943.46464.44881.16513.54894.51305.0333
N72.59943.46464.44883.54891.16514.51305.0333
H83.22691.93251.01934.12024.12025.03335.0333

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 171.907 C1 C4 N6 179.977
C1 C5 N7 179.977 C2 C1 C4 119.773
C2 C1 C5 119.773 C2 N3 H8 119.639
C4 C1 C5 120.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability