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

using model chemistry: CCSD(T)/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)/6-31G**
 hartrees
Energy at 0K-316.380077
Energy at 298.15K 
HF Energy-315.335835
Nuclear repulsion energy210.908831
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)/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 3103 2943        
2 A1 2311 2192        
3 A1 843 800        
4 A1 565 536        
5 A1 160 152        
6 A2 324 308        
7 E 2310 2191        
7 E 2310 2191        
8 E 1317 1250        
8 E 1317 1250        
9 E 1037 983        
9 E 1037 983        
10 E 553 525        
10 E 553 525        
11 E 329 312        
11 E 329 312        
12 E 126 119        
12 E 125 119        

Unscaled Zero Point Vibrational Energy (zpe) 9324.5 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 8844.3 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(T)/6-31G**
ABC
0.09372 0.09372 0.04937

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

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 1.614
C3 0.000 1.411 0.061
C4 1.222 -0.706 0.061
C5 -1.222 -0.706 0.061
N6 0.000 2.534 -0.277
N7 2.194 -1.267 -0.277
N8 -2.194 -1.267 -0.277

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09641.48331.48331.48332.65532.65532.6553
H21.09642.09852.09852.09853.16123.16123.1612
C31.48332.09852.44442.44441.17213.47883.4788
C41.48332.09852.44442.44443.47881.17213.4788
C51.48332.09852.44442.44443.47883.47881.1721
N62.65533.16121.17213.47883.47884.38894.3889
N72.65533.16123.47881.17213.47884.38894.3889
N82.65533.16123.47883.47881.17214.38894.3889

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.783 C1 C4 N7 178.783
C1 C5 N8 178.783 H2 C1 C3 107.930
H2 C1 C4 107.930 H2 C1 C5 107.930
C3 C1 C4 110.968 C3 C1 C5 110.968
C4 C1 C5 110.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability