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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-445.714065
Energy at 298.15K 
HF Energy-444.687591
Nuclear repulsion energy369.541784
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/6-31G
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.686
C2 0.000 0.000 -0.686
C3 0.000 1.237 1.451
C4 0.000 -1.237 1.451
C5 0.000 1.237 -1.451
C6 0.000 -1.237 -1.451
N7 0.000 2.239 2.070
N8 0.000 -2.239 2.070
N9 0.000 2.239 -2.070
N10 0.000 -2.239 -2.070

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.37271.45371.45372.46912.46912.63222.63223.55133.5513
C21.37272.46912.46911.45371.45373.55133.55132.63222.6322
C31.45372.46912.47302.90163.81251.17853.53033.66094.9474
C41.45372.46912.47303.81252.90163.53031.17854.94743.6609
C52.46911.45372.90163.81252.47303.66094.94741.17853.5303
C62.46911.45373.81252.90162.47304.94743.66093.53031.1785
N72.63223.55131.17853.53033.66094.94744.47824.14036.0989
N82.63223.55133.53031.17854.94743.66094.47826.09894.1403
N93.55132.63223.66094.94741.17853.53034.14036.09894.4782
N103.55132.63224.94743.66093.53031.17856.09894.14034.4782

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.726 C1 C2 C6 121.726
C1 C3 N7 179.981 C1 C4 N8 179.981
C2 C1 C3 121.726 C2 C1 C4 121.726
C2 C5 N9 179.981 C2 C6 N10 179.981
C3 C1 C4 116.549 C5 C2 C6 116.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability