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: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-316.326379
Energy at 298.15K 
HF Energy-315.350716
Nuclear repulsion energy212.206760
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 MP3/6-31+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 3147 2929 9.96      
2 A1 2469 2298 0.13      
3 A1 863 803 10.16      
4 A1 582 542 0.08      
5 A1 169 157 22.93      
6 A2 337 314 0.00      
7 E 2461 2290 1.73      
7 E 2461 2290 1.73      
8 E 1339 1246 5.57      
8 E 1339 1246 5.57      
9 E 1068 994 24.19      
9 E 1068 994 24.19      
10 E 577 537 0.03      
10 E 577 537 0.03      
11 E 344 320 0.15      
11 E 344 320 0.15      
12 E 131 122 7.33      
12 E 131 122 7.33      

Unscaled Zero Point Vibrational Energy (zpe) 9703.6 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 9029.2 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 MP3/6-31+G**
ABC
0.09468 0.09468 0.04979

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.506
H2 0.000 0.000 1.599
C3 0.000 1.410 0.056
C4 1.221 -0.705 0.056
C5 -1.221 -0.705 0.056
N6 0.000 2.521 -0.269
N7 2.183 -1.261 -0.269
N8 -2.183 -1.261 -0.269

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09311.48021.48021.48022.63742.63742.6374
H21.09312.09032.09032.09033.13743.13743.1374
C31.48022.09032.44232.44231.15743.46483.4648
C41.48022.09032.44232.44233.46481.15743.4648
C51.48022.09032.44232.44233.46483.46481.1574
N62.63743.13741.15743.46483.46484.36674.3667
N72.63743.13743.46481.15743.46484.36674.3667
N82.63743.13743.46483.46481.15744.36674.3667

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.577 C1 C4 N7 178.577
C1 C5 N8 178.577 H2 C1 C3 107.700
H2 C1 C4 107.700 H2 C1 C5 107.700
C3 C1 C4 111.183 C3 C1 C5 111.183
C4 C1 C5 111.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability