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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-51.987262
Energy at 298.15K 
HF Energy-51.303019
Nuclear repulsion energy98.133964
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 3091 2986 0.06 91.52 0.14 0.24
2 A1 1999 1931 4.04 40.51 0.03 0.06
3 A1 823 796 20.14 11.04 0.08 0.15
4 A1 534 516 0.72 6.53 0.01 0.02
5 A1 153 148 15.33 2.77 0.71 0.83
6 A2 327 316 0.00 0.00 0.71 0.83
7 E 2010 1942 28.70 11.05 0.75 0.86
7 E 2010 1942 28.70 11.05 0.75 0.86
8 E 1316 1272 1.64 5.35 0.75 0.86
8 E 1316 1272 1.64 5.35 0.75 0.86
9 E 990 957 21.02 5.10 0.75 0.86
9 E 990 957 21.02 5.10 0.75 0.86
10 E 536 518 1.14 1.63 0.75 0.86
10 E 536 518 1.14 1.63 0.75 0.86
11 E 316 305 0.05 3.68 0.75 0.86
11 E 316 305 0.05 3.68 0.75 0.86
12 E 125 120 5.58 5.26 0.75 0.86
12 E 125 120 5.58 5.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8755.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 8460.8 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 MP2/CEP-31G
ABC
0.08821 0.08821 0.04655

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 0.542
H2 0.000 0.000 1.653
C3 0.000 1.442 0.070
C4 1.249 -0.721 0.070
C5 -1.249 -0.721 0.070
N6 0.000 2.615 -0.293
N7 2.265 -1.308 -0.293
N8 -2.265 -1.308 -0.293

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.11141.51711.51711.51712.74512.74512.7451
H21.11142.14122.14122.14123.25993.25993.2599
C31.51712.14122.49762.49761.22813.58073.5807
C41.51712.14122.49762.49763.58071.22813.5807
C51.51712.14122.49762.49763.58073.58071.2281
N62.74513.25991.22813.58073.58074.52944.5294
N72.74513.25993.58071.22813.58074.52944.5294
N82.74513.25993.58073.58071.22814.52944.5294

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.115 C1 C4 N7 179.115
C1 C5 N8 179.115 H2 C1 C3 108.105
H2 C1 C4 108.105 H2 C1 C5 108.105
C3 C1 C4 110.802 C3 C1 C5 110.802
C4 C1 C5 110.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability