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: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-316.341077
Energy at 298.15K 
HF Energy-315.336750
Nuclear repulsion energy210.773472
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 MP2/6-31+G**
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 3117 2932 9.81 85.18 0.12 0.21
2 A1 2188 2058 1.48 78.77 0.03 0.07
3 A1 847 796 9.53 7.03 0.08 0.15
4 A1 565 532 0.00 4.01 0.00 0.00
5 A1 160 150 20.51 2.43 0.68 0.81
6 A2 326 307 0.00 0.00 0.75 0.86
7 E 2196 2065 15.56 16.41 0.75 0.86
7 E 2196 2065 15.56 16.41 0.75 0.86
8 E 1314 1236 3.71 3.22 0.75 0.86
8 E 1314 1236 3.71 3.22 0.75 0.86
9 E 1043 981 17.27 1.60 0.75 0.86
9 E 1043 981 17.27 1.60 0.75 0.86
10 E 555 522 0.24 1.88 0.75 0.86
10 E 555 522 0.24 1.88 0.75 0.86
11 E 327 307 0.04 3.13 0.75 0.86
11 E 327 307 0.04 3.13 0.75 0.86
12 E 125 117 6.69 4.94 0.75 0.86
12 E 125 117 6.69 4.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9160.5 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 8616.4 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 MP2/6-31+G**
ABC
0.09378 0.09378 0.04938

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.514
H2 0.000 0.000 1.610
C3 0.000 1.404 0.060
C4 1.216 -0.702 0.060
C5 -1.216 -0.702 0.060
N6 0.000 2.537 -0.275
N7 2.197 -1.269 -0.275
N8 -2.197 -1.269 -0.275

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09621.47521.47521.47522.65722.65722.6572
H21.09622.09102.09102.09103.16113.16113.1611
C31.47522.09102.43132.43131.18223.47603.4760
C41.47522.09102.43132.43133.47601.18223.4760
C51.47522.09102.43132.43133.47603.47601.1822
N62.65723.16111.18223.47603.47604.39474.3947
N72.65723.16113.47601.18223.47604.39474.3947
N82.65723.16113.47603.47601.18224.39474.3947

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.579 C1 C4 N7 178.578
C1 C5 N8 178.578 H2 C1 C3 107.910
H2 C1 C4 107.910 H2 C1 C5 107.910
C3 C1 C4 110.986 C3 C1 C5 110.986
C4 C1 C5 110.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability