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

using model chemistry: CCSD=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-316.356217
Energy at 298.15K 
HF Energy-315.338640
Nuclear repulsion energy211.833884
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=FULL/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3079 2925 7.02      
2 A1 2382 2263 0.37      
3 A1 862 819 7.65      
4 A1 578 549 0.24      
5 A1 169 161 21.80      
6 A2 347 330 0.00      
7 E 2382 2262 5.30      
7 E 2382 2262 5.30      
8 E 1339 1272 2.34      
8 E 1339 1272 2.34      
9 E 1058 1005 20.39      
9 E 1058 1005 20.39      
10 E 575 546 0.00      
10 E 575 546 0.00      
11 E 352 334 0.24      
11 E 352 334 0.24      
12 E 132 126 7.21      
12 E 132 126 7.21      

Unscaled Zero Point Vibrational Energy (zpe) 9545.6 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 9066.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/6-31G*
ABC
0.09451 0.09451 0.04981

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.516
H2 0.000 0.000 1.617
C3 0.000 1.407 0.060
C4 1.219 -0.704 0.060
C5 -1.219 -0.704 0.060
N6 0.000 2.522 -0.276
N7 2.184 -1.261 -0.276
N8 -2.184 -1.261 -0.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10021.47951.47951.47952.64332.64332.6433
H21.10022.09842.09842.09843.15303.15303.1530
C31.47952.09842.43762.43761.16403.46443.4644
C41.47952.09842.43762.43763.46441.16403.4644
C51.47952.09842.43762.43763.46443.46441.1640
N62.64333.15301.16403.46443.46444.36784.3678
N72.64333.15303.46441.16403.46444.36784.3678
N82.64333.15303.46443.46441.16404.36784.3678

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.819 C1 C4 N7 178.819
C1 C5 N8 178.819 H2 C1 C3 107.964
H2 C1 C4 107.964 H2 C1 C5 107.964
C3 C1 C4 110.935 C3 C1 C5 110.935
C4 C1 C5 110.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability