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

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-316.489268
Energy at 298.15K 
HF Energy-315.357561
Nuclear repulsion energy211.980213
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(2df,p)
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 3099 2927 11.61 75.38 0.15 0.26
2 A1 2206 2084 1.36 57.83 0.05 0.10
3 A1 842 795 4.85 6.83 0.08 0.14
4 A1 568 537 0.33 3.07 0.00 0.00
5 A1 163 154 22.15 2.07 0.70 0.82
6 A2 349 330 0.00 0.00 0.75 0.86
7 E 2211 2089 14.71 17.68 0.75 0.86
7 E 2211 2089 14.71 17.68 0.75 0.86
8 E 1296 1224 2.04 2.88 0.75 0.86
8 E 1296 1224 2.04 2.88 0.75 0.86
9 E 1038 981 12.91 1.85 0.75 0.86
9 E 1038 981 12.91 1.85 0.75 0.86
10 E 565 533 0.01 1.55 0.75 0.86
10 E 565 533 0.01 1.55 0.75 0.86
11 E 346 327 0.34 2.33 0.75 0.86
11 E 346 327 0.34 2.33 0.75 0.86
12 E 129 122 7.22 3.87 0.75 0.86
12 E 129 122 7.22 3.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9198.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 8688.0 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(2df,p)
ABC
0.09489 0.09489 0.05007

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.521
H2 0.000 0.000 1.618
C3 0.000 1.396 0.064
C4 1.209 -0.698 0.064
C5 -1.209 -0.698 0.064
N6 0.000 2.518 -0.280
N7 2.181 -1.259 -0.280
N8 -2.181 -1.259 -0.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09721.46951.46951.46952.64302.64302.6430
H21.09722.08982.08982.08983.15413.15413.1541
C31.46952.08982.41872.41871.17363.45373.4537
C41.46952.08982.41872.41873.45371.17363.4537
C51.46952.08982.41872.41873.45373.45371.1736
N62.64303.15411.17363.45373.45374.36214.3621
N72.64303.15413.45371.17363.45374.36214.3621
N82.64303.15413.45373.45371.17364.36214.3621

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.907 C1 C4 N7 178.907
C1 C5 N8 178.907 H2 C1 C3 108.143
H2 C1 C4 108.143 H2 C1 C5 108.143
C3 C1 C4 110.767 C3 C1 C5 110.767
C4 C1 C5 110.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability