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

using model chemistry: QCISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/Def2TZVPP
 hartrees
Energy at 0K-316.601984
Energy at 298.15K 
HF Energy-315.440634
Nuclear repulsion energy212.223456
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 QCISD/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at QCISD/Def2TZVPP
ABC
0.09401 0.09349 0.04705

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.055 0.000
C2 -0.005 1.280 0.000
N3 0.126 2.477 0.000
C4 -0.005 -0.763 1.247
C5 -0.005 -0.763 -1.247
N6 -0.005 -1.330 2.255
N7 -0.005 -1.330 -2.255
H8 -0.680 3.090 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33502.53501.43351.43352.59032.59033.2166
C21.33501.20382.39312.39313.44923.44921.9316
N32.53501.20383.47353.47354.42644.42641.0131
C41.43352.39313.47352.49301.15683.54684.1053
C51.43352.39313.47352.49303.54681.15684.1053
N62.59033.44924.42641.15683.54684.50935.0077
N72.59033.44924.42643.54681.15684.50935.0077
H83.21661.93161.01314.10534.10535.00775.0077

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.715 C1 C4 N6 179.779
C1 C5 N7 179.779 C2 C1 C4 119.591
C2 C1 C5 119.591 C2 N3 H8 120.979
C4 C1 C5 120.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability