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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-315.925009
Energy at 298.15K 
HF Energy-315.190295
Nuclear repulsion energy206.378123
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/LANL2DZ
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 3070 2957 0.92 88.81 0.13 0.23
2 A1 2029 1954 2.97 40.09 0.03 0.07
3 A1 835 804 19.28 9.21 0.10 0.17
4 A1 549 529 0.32 6.08 0.00 0.01
5 A1 161 155 15.45 2.88 0.71 0.83
6 A2 345 332 0.00 0.00 0.75 0.86
7 E 2040 1965 23.24 10.11 0.75 0.86
7 E 2040 1965 23.24 10.11 0.75 0.86
8 E 1322 1273 0.62 3.84 0.75 0.86
8 E 1322 1273 0.62 3.84 0.75 0.86
9 E 995 958 21.66 4.50 0.75 0.86
9 E 995 958 21.66 4.50 0.75 0.86
10 E 556 536 0.68 2.07 0.75 0.86
10 E 556 536 0.68 2.07 0.75 0.86
11 E 336 324 0.06 4.25 0.75 0.86
11 E 336 324 0.06 4.25 0.75 0.86
12 E 130 126 5.53 5.73 0.75 0.86
12 E 130 126 5.53 5.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8874.2 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 8546.8 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/LANL2DZ
ABC
0.09002 0.09002 0.04748

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.533
H2 0.000 0.000 1.640
C3 0.000 1.429 0.068
C4 1.237 -0.714 0.068
C5 -1.237 -0.714 0.068
N6 0.000 2.589 -0.288
N7 2.242 -1.294 -0.288
N8 -2.242 -1.294 -0.288

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10701.50231.50231.50232.71602.71602.7160
H21.10702.12412.12412.12413.22793.22793.2279
C31.50232.12412.47442.47441.21383.54533.5453
C41.50232.12412.47442.47443.54531.21383.5453
C51.50232.12412.47442.47443.54533.54531.2138
N62.71603.22791.21383.54533.54534.48424.4842
N72.71603.22793.54531.21383.54534.48424.4843
N82.71603.22793.54533.54531.21384.48424.4843

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.024 C1 C4 N7 179.024
C1 C5 N8 179.024 H2 C1 C3 108.028
H2 C1 C4 108.028 H2 C1 C5 108.028
C3 C1 C4 110.875 C3 C1 C5 110.875
C4 C1 C5 110.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability