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

using model chemistry: CCSD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-316.346796
Energy at 298.15K 
HF Energy-315.362540
Nuclear repulsion energy210.695337
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/cc-pVDZ
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 3096 2933 5.83      
2 A1 2354 2230 0.46      
3 A1 844 799 8.27      
4 A1 571 541 0.03      
5 A1 165 156 19.05      
6 A2 345 326 0.00      
7 E 2353 2229 5.95      
7 E 2353 2229 5.95      
8 E 1306 1237 4.55      
8 E 1306 1237 4.55      
9 E 1047 992 18.77      
9 E 1047 992 18.77      
10 E 570 540 0.02      
10 E 570 540 0.02      
11 E 343 325 0.15      
11 E 343 325 0.15      
12 E 131 124 6.32      
12 E 131 124 6.32      

Unscaled Zero Point Vibrational Energy (zpe) 9436.6 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 8939.3 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/cc-pVDZ
ABC
0.09345 0.09345 0.04923

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.517
H2 0.000 0.000 1.623
C3 0.000 1.417 0.061
C4 1.227 -0.708 0.061
C5 -1.227 -0.708 0.061
N6 0.000 2.536 -0.277
N7 2.196 -1.268 -0.277
N8 -2.196 -1.268 -0.277

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10621.48831.48831.48832.65712.65712.6571
H21.10622.10902.10902.10903.16853.16853.1685
C31.48832.10902.45382.45381.16893.48493.4849
C41.48832.10902.45382.45383.48491.16893.4849
C51.48832.10902.45382.45383.48493.48491.1689
N62.65713.16851.16893.48493.48494.39234.3923
N72.65713.16853.48491.16893.48494.39234.3923
N82.65713.16853.48493.48491.16894.39234.3923

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.935 C1 C4 N7 178.935
C1 C5 N8 178.935 H2 C1 C3 107.844
H2 C1 C4 107.844 H2 C1 C5 107.844
C3 C1 C4 111.048 C3 C1 C5 111.048
C4 C1 C5 111.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability