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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-316.777714
Energy at 298.15K 
HF Energy-315.442875
Nuclear repulsion energy212.996281
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)=FULL/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 3070 2938        
2 A1 2314 2214        
3 A1 836 800        
4 A1 572 547        
5 A1 173 165        
6 A2 346 331        
7 E 2317 2217        
7 E 2317 2217        
8 E 1304 1248        
8 E 1304 1248        
9 E 1041 996        
9 E 1040 995        
10 E 568 544        
10 E 562 538        
11 E 351 336        
11 E 351 336        
12 E 131 126        
12 E 70 67        

Unscaled Zero Point Vibrational Energy (zpe) 9334.1 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 8931.8 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)=FULL/cc-pVTZ
ABC
0.09552 0.09552 0.05028

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.508
H2 0.000 0.000 1.599
C3 0.000 1.400 0.058
C4 1.212 -0.700 0.058
C5 -1.212 -0.700 0.058
N6 0.000 2.510 -0.271
N7 2.174 -1.255 -0.271
N8 -2.174 -1.255 -0.271

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09141.47061.47061.47062.62832.62832.6283
H21.09142.08242.08242.08243.13043.13043.1304
C31.47062.08242.42482.42481.15793.44723.4472
C41.47062.08242.42482.42483.44721.15793.4472
C51.47062.08242.42482.42483.44723.44721.1579
N62.62833.13041.15793.44723.44724.34784.3478
N72.62833.13043.44721.15793.44724.34784.3478
N82.62833.13043.44723.44721.15794.34784.3478

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.664 C1 C4 N7 178.664
C1 C5 N8 178.664 H2 C1 C3 107.829
H2 C1 C4 107.829 H2 C1 C5 107.829
C3 C1 C4 111.062 C3 C1 C5 111.062
C4 C1 C5 111.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability