return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH(CN)3 (tricyanomethane)

using model chemistry: CCSD(T)/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD(T)/Def2TZVPP
 hartrees
Energy at 0K-316.680052
Energy at 298.15K 
HF Energy-315.452776
Nuclear repulsion energy212.202493
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 CCSD(T)/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/Def2TZVPP
ABC
0.09479 0.09479 0.04994

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.515
H2 0.000 0.000 1.609
C3 0.000 1.407 0.060
C4 1.218 -0.703 0.060
C5 -1.218 -0.703 0.060
N6 0.000 2.518 -0.275
N7 2.181 -1.259 -0.275
N8 -2.181 -1.259 -0.275

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09491.47851.47851.47852.63872.63872.6387
H21.09492.09302.09292.09293.14483.14483.1448
C31.47852.09302.43662.43661.16043.46023.4602
C41.47852.09292.43662.43663.46021.16043.4602
C51.47852.09292.43662.43663.46023.46021.1604
N62.63873.14481.16043.46023.46024.36114.3611
N72.63873.14483.46021.16043.46024.36114.3611
N82.63873.14483.46023.46021.16044.36114.3611

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.841 C1 C4 N7 178.841
C1 C5 N8 178.841 H2 C1 C3 107.916
H2 C1 C4 107.916 H2 C1 C5 107.916
C3 C1 C4 110.980 C3 C1 C5 110.980
C4 C1 C5 110.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability