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

using model chemistry: CCSD(T)/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(T)/cc-pVTZ
 hartrees
Energy at 0K-316.655260
Energy at 298.15K 
HF Energy-315.425450
Nuclear repulsion energy211.505348
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)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.09338 0.09303 0.04677

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.056 0.000
C2 -0.008 1.283 0.000
N3 0.139 2.485 0.000
C4 -0.008 -0.764 1.247
C5 -0.008 -0.764 -1.247
N6 -0.008 -1.335 2.261
N7 -0.008 -1.335 -2.261
H8 -0.671 3.100 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33972.54591.43351.43352.59812.59813.2252
C21.33971.21102.39682.39683.46003.46001.9338
N32.54591.21103.48313.48314.44224.44221.0170
C41.43352.39683.48312.49381.16453.55464.1136
C51.43352.39683.48312.49383.55461.16454.1136
N62.59813.46004.44221.16453.55464.52295.0225
N72.59813.46004.44223.55461.16454.52295.0225
H83.22521.93381.01704.11364.11365.02255.0225

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.020 C1 C4 N6 179.841
C1 C5 N7 179.841 C2 C1 C4 119.563
C2 C1 C5 119.563 C2 N3 H8 120.204
C4 C1 C5 120.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability