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

using model chemistry: MP3=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP3=FULL/3-21G*
 hartrees
Energy at 0K-314.259960
Energy at 298.15K 
HF Energy-313.579200
Nuclear repulsion energy211.974838
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 MP3=FULL/3-21G*
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 3085 3085 7.69      
2 A1 2441 2441 0.29      
3 A1 873 873 12.13      
4 A1 597 597 0.15      
5 A1 193 193 16.25      
6 A2 422 422 0.00      
7 E 2430 2430 2.83      
7 E 2430 2430 2.83      
8 E 1365 1365 0.00      
8 E 1365 1365 0.00      
9 E 1038 1038 26.13      
9 E 1038 1038 26.13      
10 E 625 625 0.00      
10 E 625 625 0.00      
11 E 423 423 0.00      
11 E 423 423 0.00      
12 E 156 156 5.51      
12 E 156 156 5.51      

Unscaled Zero Point Vibrational Energy (zpe) 9842.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9842.8 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 MP3=FULL/3-21G*
ABC
0.09469 0.09469 0.05010

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.536
H2 0.000 0.000 1.637
C3 0.000 1.408 0.067
C4 1.219 -0.704 0.067
C5 -1.219 -0.704 0.067
N6 0.000 2.512 -0.289
N7 2.176 -1.256 -0.289
N8 -2.176 -1.256 -0.289

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10091.48371.48371.48372.64442.64442.6444
H21.10092.10862.10862.10863.16573.16573.1657
C31.48372.10862.43812.43811.16073.45783.4578
C41.48372.10862.43812.43813.45781.16073.4578
C51.48372.10862.43812.43813.45783.45781.1607
N62.64443.16571.16073.45783.45784.35144.3514
N72.64443.16573.45781.16073.45784.35144.3514
N82.64443.16573.45783.45781.16074.35144.3514

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.439 C1 C4 N7 179.439
C1 C5 N8 179.439 H2 C1 C3 108.433
H2 C1 C4 108.433 H2 C1 C5 108.433
C3 C1 C4 110.489 C3 C1 C5 110.489
C4 C1 C5 110.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability