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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-316.317165
Energy at 298.15K 
HF Energy-315.328135
Nuclear repulsion energy210.942670
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 MP2/6-31G*
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 3089 2913 9.25 80.13 0.17 0.29
2 A1 2200 2075 1.50 43.84 0.06 0.12
3 A1 856 807 6.78 6.54 0.11 0.20
4 A1 570 537 0.10 2.69 0.00 0.00
5 A1 161 152 20.37 2.63 0.71 0.83
6 A2 334 315 0.00 0.00 0.75 0.86
7 E 2207 2081 16.80 16.56 0.75 0.86
7 E 2207 2081 16.80 16.56 0.75 0.86
8 E 1326 1251 1.60 3.83 0.75 0.86
8 E 1326 1251 1.60 3.83 0.75 0.86
9 E 1046 986 15.77 2.39 0.75 0.86
9 E 1046 986 15.77 2.39 0.75 0.86
10 E 558 526 0.04 2.17 0.75 0.86
10 E 558 526 0.04 2.17 0.75 0.86
11 E 335 316 0.14 3.52 0.75 0.86
11 E 335 316 0.14 3.52 0.75 0.86
12 E 126 119 6.82 4.98 0.75 0.86
12 E 126 119 6.82 4.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9202.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 8678.3 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 MP2/6-31G*
ABC
0.09399 0.09399 0.04958

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.522
H2 0.000 0.000 1.622
C3 0.000 1.402 0.064
C4 1.214 -0.701 0.064
C5 -1.214 -0.701 0.064
N6 0.000 2.532 -0.281
N7 2.193 -1.266 -0.281
N8 -2.193 -1.266 -0.281

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10021.47491.47491.47492.65602.65602.6560
H21.10022.09612.09612.09613.16733.16733.1673
C31.47492.09612.42822.42821.18123.47033.4703
C41.47492.09612.42822.42823.47031.18123.4703
C51.47492.09612.42822.42823.47033.47031.1812
N62.65603.16731.18123.47033.47034.38504.3850
N72.65603.16733.47031.18123.47034.38504.3850
N82.65603.16733.47033.47031.18124.38504.3850

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.877 C1 C4 N7 178.877
C1 C5 N8 178.877 H2 C1 C3 108.097
H2 C1 C4 108.097 H2 C1 C5 108.097
C3 C1 C4 110.809 C3 C1 C5 110.809
C4 C1 C5 110.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability