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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-316.714490
Energy at 298.15K-316.706999
HF Energy-315.346967
Nuclear repulsion energy214.577359
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 HF/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 3249 3061 9.88 77.21 0.18 0.31
2 A1 2649 2496 0.10 92.98 0.06 0.12
3 A1 926 872 7.77 7.48 0.18 0.30
4 A1 619 583 1.71 3.07 0.01 0.02
5 A1 189 178 28.89 3.06 0.70 0.83
6 A2 405 382 0.00 0.00 0.75 0.86
7 E 2646 2493 0.30 29.46 0.75 0.86
7 E 2646 2493 0.30 29.46 0.75 0.86
8 E 1436 1353 6.36 3.20 0.75 0.86
8 E 1436 1353 6.36 3.20 0.75 0.86
9 E 1116 1052 35.51 3.50 0.75 0.86
9 E 1116 1052 35.51 3.50 0.75 0.86
10 E 639 602 0.66 4.31 0.75 0.86
10 E 639 602 0.66 4.31 0.75 0.86
11 E 406 382 0.80 5.17 0.75 0.86
11 E 406 382 0.80 5.17 0.75 0.86
12 E 149 141 9.29 5.64 0.75 0.86
12 E 149 141 9.29 5.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10409.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9808.2 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=FULL/6-31G*
ABC
0.09425 0.09425 0.04973

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.400 0.064
C4 1.212 -0.700 0.064
C5 -1.212 -0.700 0.064
N6 0.000 2.528 -0.281
N7 2.189 -1.264 -0.281
N8 -2.189 -1.264 -0.281

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10001.47281.47281.47282.65252.65252.6525
H21.10002.09472.09472.09473.16443.16443.1644
C31.47282.09472.42412.42411.17993.46503.4650
C41.47282.09472.42412.42413.46501.17993.4650
C51.47282.09472.42412.42413.46503.46501.1799
N62.65253.16441.17993.46503.46504.37854.3785
N72.65253.16443.46501.17993.46504.37854.3785
N82.65253.16443.46503.46501.17994.37854.3785

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.647 C1 C4 N7 178.647
C1 C5 N8 178.647 H2 C1 C3 107.856
H2 C1 C4 107.856 H2 C1 C5 107.856
C3 C1 C4 111.037 C3 C1 C5 111.037
C4 C1 C5 111.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability