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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-316.336237
Energy at 298.15K 
HF Energy-315.351954
Nuclear repulsion energy210.063636
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/cc-pVDZ
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 3098 2950 7.47 82.81 0.15 0.26
2 A1 2176 2073 1.71 50.35 0.06 0.11
3 A1 838 798 7.30 6.88 0.09 0.16
4 A1 564 538 0.00 3.10 0.00 0.00
5 A1 159 151 17.49 2.33 0.71 0.83
6 A2 342 325 0.00 0.00 0.75 0.86
7 E 2183 2080 18.39 16.77 0.75 0.86
7 E 2183 2080 18.39 16.77 0.75 0.86
8 E 1288 1226 2.93 2.97 0.75 0.86
8 E 1288 1226 2.93 2.97 0.75 0.86
9 E 1038 989 13.98 2.11 0.75 0.86
9 E 1038 989 13.98 2.11 0.75 0.86
10 E 561 534 0.11 1.65 0.75 0.86
10 E 561 534 0.11 1.65 0.75 0.86
11 E 335 319 0.07 2.72 0.75 0.86
11 E 335 319 0.07 2.72 0.75 0.86
12 E 127 121 5.91 4.34 0.75 0.86
12 E 127 121 5.91 4.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9120.5 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 8687.3 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/cc-pVDZ
ABC
0.09319 0.09319 0.04917

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.523
H2 0.000 0.000 1.630
C3 0.000 1.409 0.065
C4 1.220 -0.704 0.065
C5 -1.220 -0.704 0.065
N6 0.000 2.542 -0.283
N7 2.201 -1.271 -0.283
N8 -2.201 -1.271 -0.283

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10651.48121.48121.48122.66682.66682.6668
H21.10652.10532.10532.10533.18143.18143.1814
C31.48122.10532.43972.43971.18573.48533.4853
C41.48122.10532.43972.43973.48531.18573.4853
C51.48122.10532.43972.43973.48533.48531.1857
N62.66683.18141.18573.48533.48534.40274.4027
N72.66683.18143.48531.18573.48534.40274.4027
N82.66683.18143.48533.48531.18574.40274.4027

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.073 C1 C4 N7 179.073
C1 C5 N8 179.073 H2 C1 C3 108.018
H2 C1 C4 108.018 H2 C1 C5 108.018
C3 C1 C4 110.885 C3 C1 C5 110.885
C4 C1 C5 110.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability