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

using model chemistry: CCSD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-316.513466
Energy at 298.15K 
HF Energy-315.432665
Nuclear repulsion energy212.135831
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)/TZVP
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 3069 2954        
2 A1 2312 2225        
3 A1 844 813        
4 A1 567 546        
5 A1 160 154        
6 A2 326 314        
7 E 2311 2224        
7 E 2311 2224        
8 E 1305 1256        
8 E 1305 1256        
9 E 1031 993        
9 E 1031 993        
10 E 563 542        
10 E 563 542        
11 E 330 317        
11 E 330 317        
12 E 127 123        
12 E 127 122        

Unscaled Zero Point Vibrational Energy (zpe) 9306.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 8957.5 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)/TZVP
ABC
0.09477 0.09477 0.04994

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

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 1.613
C3 0.000 1.406 0.061
C4 1.218 -0.703 0.061
C5 -1.218 -0.703 0.061
N6 0.000 2.518 -0.276
N7 2.181 -1.259 -0.276
N8 -2.181 -1.259 -0.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09691.47791.47791.47792.63962.63962.6396
H21.09692.09432.09432.09433.14773.14773.1477
C31.47792.09432.43542.43541.16183.46003.4600
C41.47792.09432.43542.43543.46001.16183.4600
C51.47792.09432.43542.43543.46003.46001.1618
N62.63963.14771.16183.46003.46004.36144.3614
N72.63963.14773.46001.16183.46004.36144.3614
N82.63963.14773.46003.46001.16184.36144.3614

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.899 C1 C4 N7 178.899
C1 C5 N8 178.899 H2 C1 C3 107.941
H2 C1 C4 107.941 H2 C1 C5 107.941
C3 C1 C4 110.957 C3 C1 C5 110.957
C4 C1 C5 110.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability