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

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-52.426415
Energy at 298.15K 
HF Energy-51.479832
Nuclear repulsion energy100.043844
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 MP2/CEP-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 3125 2967 3.65 86.80 0.13 0.23
2 A1 2158 2049 2.02 57.85 0.04 0.08
3 A1 837 795 12.88 9.03 0.06 0.12
4 A1 548 520 0.30 3.26 0.00 0.00
5 A1 151 143 16.76 2.74 0.71 0.83
6 A2 328 311 0.00 0.00 0.75 0.86
7 E 2167 2057 13.95 15.80 0.75 0.86
7 E 2167 2057 13.95 15.80 0.75 0.86
8 E 1301 1235 4.29 4.05 0.75 0.86
8 E 1301 1235 4.29 4.05 0.75 0.86
9 E 1027 975 18.67 2.77 0.75 0.86
9 E 1027 975 18.67 2.77 0.75 0.86
10 E 547 519 0.61 1.70 0.75 0.86
10 E 547 519 0.61 1.70 0.75 0.86
11 E 319 303 0.00 2.89 0.75 0.86
11 E 319 303 0.00 2.89 0.75 0.86
12 E 122 116 5.83 4.78 0.75 0.86
12 E 122 116 5.83 4.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9055.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 8596.9 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 MP2/CEP-31G*
ABC
0.09176 0.09176 0.04856

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.546
H2 0.000 0.000 1.651
C3 0.000 1.416 0.071
C4 1.226 -0.708 0.071
C5 -1.226 -0.708 0.071
N6 0.000 2.559 -0.296
N7 2.216 -1.279 -0.296
N8 -2.216 -1.279 -0.296

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10491.49281.49281.49282.69342.69342.6934
H21.10492.12072.12072.12073.21473.21473.2147
C31.49282.12072.45182.45181.20063.50813.5081
C41.49282.12072.45182.45183.50821.20063.5081
C51.49282.12072.45182.45183.50823.50811.2006
N62.69343.21471.20063.50823.50824.43184.4318
N72.69343.21473.50811.20063.50814.43184.4318
N82.69343.21473.50813.50811.20064.43184.4318

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.280 C1 C4 N7 179.280
C1 C5 N8 179.280 H2 C1 C3 108.521
H2 C1 C4 108.521 H2 C1 C5 108.521
C3 C1 C4 110.405 C3 C1 C5 110.405
C4 C1 C5 110.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability