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

using model chemistry: QCISD(T)/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD(T)/Def2TZVPP
 hartrees
Energy at 0K-316.682036
Energy at 298.15K 
HF Energy-315.452421
Nuclear repulsion energy212.129317
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 QCISD(T)/Def2TZVPP
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 3067 3067        
2 A1 2300 2300        
3 A1 833 833        
4 A1 565 565        
5 A1 163 163        
6 A2 338 338        
7 E 2298 2298        
7 E 2298 2298        
8 E 1298 1298        
8 E 1298 1298        
9 E 1029 1029        
9 E 1029 1029        
10 E 563 563        
10 E 562 562        
11 E 337 337        
11 E 336 336        
12 E 130 130        
12 E 129 129        

Unscaled Zero Point Vibrational Energy (zpe) 9286.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9286.3 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 QCISD(T)/Def2TZVPP
ABC
0.09472 0.09472 0.04989

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/Def2TZVPP

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 1.219 -0.704 0.059
C5 -1.219 -0.704 0.059
N6 0.000 2.519 -0.274
N7 2.182 -1.260 -0.274
N8 -2.182 -1.260 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09481.47861.47861.47862.63952.63952.6395
H21.09482.09282.09282.09283.14483.14483.1448
C31.47862.09282.43712.43711.16103.46153.4615
C41.47862.09282.43712.43713.46151.16103.4615
C51.47862.09282.43712.43713.46153.46151.1610
N62.63953.14481.16103.46153.46154.36344.3634
N72.63953.14483.46151.16103.46154.36344.3634
N82.63953.14483.46153.46151.16104.36344.3634

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.786 C1 C4 N7 178.786
C1 C5 N8 178.786 H2 C1 C3 107.895
H2 C1 C4 107.895 H2 C1 C5 107.895
C3 C1 C4 111.000 C3 C1 C5 111.000
C4 C1 C5 111.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability