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

using model chemistry: CCSD(T)=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(T)=FULL/6-31G*
 hartrees
Energy at 0K-316.402449
Energy at 298.15K 
HF Energy-315.334824
Nuclear repulsion energy211.161432
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)=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 3053 2964        
2 A1 2318 2250        
3 A1 848 823        
4 A1 567 550        
5 A1 163 159        
6 A2 331 322        
7 E 2317 2249        
7 E 2317 2249        
8 E 1320 1282        
8 E 1320 1282        
9 E 1040 1009        
9 E 1040 1009        
10 E 559 543        
10 E 559 543        
11 E 338 328        
11 E 338 328        
12 E 128 124        
12 E 127 123        

Unscaled Zero Point Vibrational Energy (zpe) 9341.1 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 9067.4 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(T)=FULL/6-31G*
ABC
0.09399 0.09399 0.04954

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.519
H2 0.000 0.000 1.621
C3 0.000 1.409 0.060
C4 1.220 -0.704 0.060
C5 -1.220 -0.704 0.060
N6 0.000 2.530 -0.277
N7 2.191 -1.265 -0.277
N8 -2.191 -1.265 -0.277

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10231.48141.48141.48142.65222.65222.6522
H21.10232.10252.10252.10253.16293.16293.1629
C31.48142.10252.43982.43981.17093.47303.4730
C41.48142.10252.43982.43983.47301.17093.4730
C51.48142.10252.43982.43983.47303.47301.1709
N62.65223.16291.17093.47303.47304.38194.3819
N72.65223.16293.47301.17093.47304.38194.3819
N82.65223.16293.47303.47301.17094.38194.3819

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.721 C1 C4 N7 178.721
C1 C5 N8 178.721 H2 C1 C3 108.032
H2 C1 C4 108.032 H2 C1 C5 108.032
C3 C1 C4 110.871 C3 C1 C5 110.871
C4 C1 C5 110.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability