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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-446.070740
Energy at 298.15K 
HF Energy-445.012133
Nuclear repulsion energy378.320498
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 CISD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CISD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.670
C2 0.000 0.000 -0.670
C3 0.000 1.220 1.423
C4 0.000 -1.220 1.423
C5 0.000 1.220 -1.423
C6 0.000 -1.220 -1.423
N7 0.000 2.182 2.034
N8 0.000 -2.182 2.034
N9 0.000 2.182 -2.034
N10 0.000 -2.182 -2.034

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.33931.43381.43382.42232.42232.57312.57313.47403.4740
C21.33932.42232.42231.43381.43383.47403.47402.57312.5731
C31.43382.42232.43992.84613.74881.13943.45623.58804.8499
C41.43382.42232.43993.74882.84613.45621.13944.84993.5880
C52.42231.43382.84613.74882.43993.58804.84991.13943.4562
C62.42231.43383.74882.84612.43994.84993.58803.45621.1394
N72.57313.47401.13943.45623.58804.84994.36384.06725.9653
N82.57313.47403.45621.13944.84993.58804.36385.96534.0672
N93.47402.57313.58804.84991.13943.45624.06725.96534.3638
N103.47402.57314.84993.58803.45621.13945.96534.06724.3638

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.697 C1 C2 C6 121.697
C1 C3 N7 179.294 C1 C4 N8 179.294
C2 C1 C3 121.697 C2 C1 C4 121.697
C2 C5 N9 179.294 C2 C6 N10 179.294
C3 C1 C4 116.606 C5 C2 C6 116.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability