return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-316.618241
Energy at 298.15K 
HF Energy-315.446989
Nuclear repulsion energy212.256213
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/Def2TZVPP
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 3089 2939 12.51 81.84 0.11 0.20
2 A1 2195 2088 1.48 77.64 0.04 0.08
3 A1 840 799 6.36 7.02 0.08 0.14
4 A1 567 539 0.11 3.80 0.00 0.00
5 A1 160 152 22.15 2.10 0.70 0.83
6 A2 344 327 0.00 0.00 0.75 0.86
7 E 2201 2095 14.77 18.36 0.75 0.86
7 E 2201 2095 14.77 18.36 0.75 0.86
8 E 1296 1234 2.50 2.37 0.75 0.86
8 E 1296 1234 2.50 2.37 0.75 0.86
9 E 1038 988 13.34 1.38 0.75 0.86
9 E 1038 988 13.34 1.38 0.75 0.86
10 E 565 538 0.00 1.54 0.75 0.86
10 E 565 538 0.00 1.54 0.75 0.86
11 E 338 321 0.22 2.14 0.75 0.86
11 E 338 321 0.22 2.14 0.75 0.86
12 E 128 122 7.16 3.97 0.75 0.86
12 E 128 122 7.16 3.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9163.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 8718.8 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/Def2TZVPP
ABC
0.09507 0.09507 0.05015

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.519
H2 0.000 0.000 1.612
C3 0.000 1.397 0.063
C4 1.210 -0.699 0.063
C5 -1.210 -0.699 0.063
N6 0.000 2.516 -0.279
N7 2.179 -1.258 -0.279
N8 -2.179 -1.258 -0.279

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09391.46961.46961.46962.63922.63922.6392
H21.09392.08642.08642.08643.14753.14753.1475
C31.46962.08642.42002.42001.16973.45163.4516
C41.46962.08642.42002.42003.45161.16973.4516
C51.46962.08642.42002.42003.45163.45161.1697
N62.63923.14751.16973.45163.45164.35754.3575
N72.63923.14753.45161.16973.45164.35754.3575
N82.63923.14753.45163.45161.16974.35754.3575

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.940 C1 C4 N7 178.940
C1 C5 N8 178.940 H2 C1 C3 108.057
H2 C1 C4 108.057 H2 C1 C5 108.057
C3 C1 C4 110.847 C3 C1 C5 110.847
C4 C1 C5 110.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability