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: QCISD(T)/aug-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 QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-316.694142
Energy at 298.15K 
HF Energy-315.443875
Nuclear repulsion energy212.088892
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(T)/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVTZ
ABC
0.09469 0.09469 0.04985

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.512
H2 0.000 0.000 1.607
C3 0.000 1.407 0.058
C4 1.219 -0.704 0.058
C5 -1.219 -0.704 0.058
N6 0.000 2.520 -0.273
N7 2.183 -1.260 -0.273
N8 -2.183 -1.260 -0.273

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09571.47821.47821.47822.63972.63972.6397
H21.09572.09262.09262.09263.14443.14443.1444
C31.47822.09262.43702.43701.16163.46243.4624
C41.47822.09262.43702.43703.46241.16163.4624
C51.47822.09262.43702.43703.46243.46241.1616
N62.63973.14441.16163.46243.46244.36564.3656
N72.63973.14443.46241.16163.46244.36564.3656
N82.63973.14443.46243.46241.16164.36564.3656

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.696 C1 C4 N7 178.696
C1 C5 N8 178.696 H2 C1 C3 107.858
H2 C1 C4 107.858 H2 C1 C5 107.858
C3 C1 C4 111.035 C3 C1 C5 111.035
C4 C1 C5 111.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability