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: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-316.556814
Energy at 298.15K 
HF Energy-315.369106
Nuclear repulsion energy213.674635
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 CCSD=FULL/6-31G(2df,p)
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 3124 2942 9.72      
2 A1 2408 2267 0.29      
3 A1 863 813 5.05      
4 A1 583 549 0.91      
5 A1 185 175 24.59      
6 A2 398 374 0.00      
7 E 2407 2266 3.81      
7 E 2407 2266 3.81      
8 E 1333 1255 2.88      
8 E 1333 1255 2.88      
9 E 1065 1003 16.30      
9 E 1065 1003 16.30      
10 E 605 570 0.24      
10 E 605 570 0.24      
11 E 396 373 0.53      
11 E 396 373 0.53      
12 E 145 136 7.90      
12 E 145 136 7.90      

Unscaled Zero Point Vibrational Energy (zpe) 9730.4 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 9162.1 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 CCSD=FULL/6-31G(2df,p)
ABC
0.09619 0.09619 0.05073

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.520
H2 0.000 0.000 1.612
C3 0.000 1.395 0.058
C4 1.208 -0.697 0.058
C5 -1.208 -0.697 0.058
N6 0.000 2.498 -0.275
N7 2.164 -1.249 -0.275
N8 -2.164 -1.249 -0.275

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.09271.46941.46941.46942.62162.62162.6216
H21.09272.08862.08862.08863.13103.13103.1310
C31.46942.08862.41622.41621.15253.43273.4327
C41.46942.08862.41622.41623.43271.15253.4327
C51.46942.08862.41622.41623.43273.43271.1525
N62.62163.13101.15253.43273.43274.32734.3273
N72.62163.13103.43271.15253.43274.32734.3273
N82.62163.13103.43273.43271.15254.32734.3273

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.464 C1 C4 N7 178.464
C1 C5 N8 178.464 H2 C1 C3 108.315
H2 C1 C4 108.315 H2 C1 C5 108.315
C3 C1 C4 110.602 C3 C1 C5 110.602
C4 C1 C5 110.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability