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: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-316.303721
Energy at 298.15K 
HF Energy-315.341797
Nuclear repulsion energy212.328468
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3107 2916 9.81      
2 A1 2478 2326 0.05      
3 A1 869 816 7.79      
4 A1 585 549 0.30      
5 A1 168 158 22.63      
6 A2 340 319 0.00      
7 E 2471 2319 1.85      
7 E 2471 2319 1.85      
8 E 1345 1263 2.77      
8 E 1345 1263 2.77      
9 E 1070 1004 23.39      
9 E 1070 1004 23.39      
10 E 577 542 0.00      
10 E 577 542 0.00      
11 E 347 326 0.28      
11 E 347 326 0.28      
12 E 131 123 7.48      
12 E 131 123 7.48      

Unscaled Zero Point Vibrational Energy (zpe) 9715.1 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 9118.6 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 MP3/6-31G*
ABC
0.09484 0.09484 0.04996

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.513
H2 0.000 0.000 1.611
C3 0.000 1.408 0.059
C4 1.220 -0.704 0.059
C5 -1.220 -0.704 0.059
N6 0.000 2.516 -0.274
N7 2.179 -1.258 -0.274
N8 -2.179 -1.258 -0.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09831.47981.47981.47982.63662.63662.6366
H21.09832.09602.09602.09603.14433.14433.1443
C31.47982.09602.43952.43951.15693.45993.4599
C41.47982.09602.43952.43953.45991.15693.4599
C51.47982.09602.43952.43953.45993.45991.1569
N62.63663.14431.15693.45993.45994.35854.3585
N72.63663.14433.45991.15693.45994.35854.3585
N82.63663.14433.45993.45991.15694.35854.3585

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.878 C1 C4 N7 178.878
C1 C5 N8 178.878 H2 C1 C3 107.861
H2 C1 C4 107.861 H2 C1 C5 107.861
C3 C1 C4 111.033 C3 C1 C5 111.033
C4 C1 C5 111.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability