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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: QCISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-446.446373
Energy at 298.15K 
HF Energy-445.000711
Nuclear repulsion energy373.784664
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/6-311G*
Rotational Constants (cm-1) from geometry optimized at QCISD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.679
C2 0.000 0.000 -0.679
C3 0.000 1.230 1.438
C4 0.000 -1.230 1.438
C5 0.000 1.230 -1.438
C6 0.000 -1.230 -1.438
N7 0.000 2.209 2.058
N8 0.000 -2.209 2.058
N9 0.000 2.209 -2.058
N10 0.000 -2.209 -2.058

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.35841.44481.44482.44812.44812.60362.60363.51693.5169
C21.35842.44812.44811.44481.44483.51693.51692.60362.6036
C31.44482.44812.45962.87533.78371.15883.49413.62974.9031
C41.44482.44812.45963.78372.87533.49411.15884.90313.6297
C52.44811.44482.87533.78372.45963.62974.90311.15883.4941
C62.44811.44483.78372.87532.45964.90313.62973.49411.1588
N72.60363.51691.15883.49413.62974.90314.41774.11506.0374
N82.60363.51693.49411.15884.90313.62974.41776.03744.1150
N93.51692.60363.62974.90311.15883.49414.11506.03744.4177
N103.51692.60364.90313.62973.49411.15886.03744.11504.4177

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.663 C1 C2 C6 121.663
C1 C3 N7 179.323 C1 C4 N8 179.323
C2 C1 C3 121.663 C2 C1 C4 121.663
C2 C5 N9 179.323 C2 C6 N10 179.323
C3 C1 C4 116.675 C5 C2 C6 116.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability