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

using model chemistry: CCSD(T)=FULL/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)=FULL/TZVP
 hartrees
Energy at 0K-316.616813
Energy at 298.15K 
HF Energy-315.414156
Nuclear repulsion energy211.574850
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)=FULL/TZVP
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/TZVP
ABC
0.09357 0.09300 0.04682

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.051 0.000
C2 -0.011 1.287 0.000
N3 0.155 2.487 0.000
C4 -0.011 -0.763 1.244
C5 -0.011 -0.763 -1.244
N6 -0.011 -1.341 2.254
N7 -0.011 -1.341 -2.254
H8 -0.651 3.110 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33762.54351.43311.43312.59742.59743.2256
C21.33761.21202.39742.39743.46223.46221.9328
N32.54351.21203.48383.48384.44584.44581.0187
C41.43312.39743.48382.48771.16433.54574.1182
C51.43312.39743.48382.48773.54571.16434.1182
N62.59743.46224.44581.16433.54574.50885.0308
N72.59743.46224.44583.54571.16434.50885.0308
H83.22561.93281.01874.11824.11825.03085.0308

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.119 C1 C4 N6 179.993
C1 C5 N7 179.993 C2 C1 C4 119.784
C2 C1 C5 119.784 C2 N3 H8 119.856
C4 C1 C5 120.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability