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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-446.269809
Energy at 298.15K 
HF Energy-444.911149
Nuclear repulsion energy374.471377
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.04914 0.04857 0.02443

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

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 1.228 1.437
C4 0.000 -1.228 1.437
C5 0.000 1.228 -1.437
C6 0.000 -1.228 -1.437
N7 0.000 2.208 2.055
N8 0.000 -2.208 2.055
N9 0.000 2.208 -2.055
N10 0.000 -2.208 -2.055

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.35771.44291.44292.44612.44612.60182.60183.51433.5143
C21.35772.44612.44611.44291.44293.51433.51432.60182.6018
C31.44292.44612.45582.87343.77991.15893.49103.62704.8989
C41.44292.44612.45583.77992.87343.49101.15894.89893.6270
C52.44611.44292.87343.77992.45583.62704.89891.15893.4910
C62.44611.44293.77992.87342.45584.89893.62703.49101.1589
N72.60183.51431.15893.49103.62704.89894.41564.11086.0330
N82.60183.51433.49101.15894.89893.62704.41566.03304.1108
N93.51432.60183.62704.89891.15893.49104.11086.03304.4156
N103.51432.60184.89893.62703.49101.15896.03304.11084.4156

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.682 C1 C2 C6 121.682
C1 C3 N7 179.413 C1 C4 N8 179.413
C2 C1 C3 121.682 C2 C1 C4 121.682
C2 C5 N9 179.413 C2 C6 N10 179.413
C3 C1 C4 116.636 C5 C2 C6 116.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability