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

using model chemistry: CISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-316.364828
Energy at 298.15K 
HF Energy-315.450888
Nuclear repulsion energy215.123816
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CISD/cc-pVTZ
ABC
0.09716 0.09716 0.05113

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.503
H2 0.000 0.000 1.587
C3 0.000 1.397 0.056
C4 1.210 -0.698 0.056
C5 -1.210 -0.698 0.056
N6 0.000 2.485 -0.267
N7 2.152 -1.243 -0.267
N8 -2.152 -1.243 -0.267

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.08391.46701.46701.46702.60172.60172.6017
H21.08392.07302.07302.07303.10053.10053.1005
C31.46702.07302.41972.41971.13483.42093.4209
C41.46702.07302.41972.41973.42091.13483.4209
C51.46702.07302.41972.41973.42093.42091.1348
N62.60173.10051.13483.42093.42094.30424.3042
N72.60173.10053.42091.13483.42094.30424.3042
N82.60173.10053.42093.42091.13484.30424.3042

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.738 C1 C4 N7 178.738
C1 C5 N8 178.738 H2 C1 C3 107.770
H2 C1 C4 107.770 H2 C1 C5 107.770
C3 C1 C4 111.118 C3 C1 C5 111.118
C4 C1 C5 111.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability