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

using model chemistry: CCSD(T)/cc-pVTZ

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)/cc-pVTZ
 hartrees
Energy at 0K-316.671779
Energy at 298.15K 
HF Energy-315.441111
Nuclear repulsion energy212.151995
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)/cc-pVTZ
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 3065 2988        
2 A1 2305 2247        
3 A1 833 812        
4 A1 566 552        
5 A1 159 155        
6 A2 335 326        
7 E 2302 2244        
7 E 2302 2244        
8 E 1297 1264        
8 E 1297 1264        
9 E 1029 1003        
9 E 1029 1003        
10 E 563 549        
10 E 563 549        
11 E 333 325        
11 E 332 324        
12 E 143 139        
12 E 127 124        

Unscaled Zero Point Vibrational Energy (zpe) 9288.8 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 9054.7 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)/cc-pVTZ
ABC
0.09475 0.09475 0.04991

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.514
H2 0.000 0.000 1.608
C3 0.000 1.407 0.059
C4 1.218 -0.703 0.059
C5 -1.218 -0.703 0.059
N6 0.000 2.519 -0.274
N7 2.181 -1.259 -0.274
N8 -2.181 -1.259 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09471.47821.47821.47822.63922.63922.6392
H21.09472.09232.09232.09233.14463.14463.1446
C31.47822.09232.43652.43651.16113.46103.4610
C41.47822.09232.43652.43653.46101.16113.4610
C51.47822.09232.43652.43653.46103.46101.1611
N62.63923.14461.16113.46103.46104.36284.3628
N72.63923.14463.46101.16113.46104.36284.3628
N82.63923.14463.46103.46101.16114.36284.3628

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.812 C1 C4 N7 178.812
C1 C5 N8 178.812 H2 C1 C3 107.890
H2 C1 C4 107.890 H2 C1 C5 107.890
C3 C1 C4 111.005 C3 C1 C5 111.005
C4 C1 C5 111.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability