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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-316.315359
Energy at 298.15K 
HF Energy-315.339131
Nuclear repulsion energy211.827275
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 CCD/6-31G*
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 3082 2917 6.93      
2 A1 2394 2266 0.36      
3 A1 865 818 7.73      
4 A1 580 549 0.26      
5 A1 167 158 22.10      
6 A2 341 323 0.00      
7 E 2394 2266 5.27      
7 E 2394 2266 5.27      
8 E 1341 1270 2.56      
8 E 1341 1270 2.56      
9 E 1061 1005 21.25      
9 E 1061 1005 21.25      
10 E 572 542 0.00      
10 E 572 542 0.00      
11 E 346 328 0.26      
11 E 346 328 0.26      
12 E 131 124 7.32      
12 E 131 124 7.32      

Unscaled Zero Point Vibrational Energy (zpe) 9559.5 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 9048.0 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 CCD/6-31G*
ABC
0.09448 0.09448 0.04978

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.515
H2 0.000 0.000 1.616
C3 0.000 1.409 0.060
C4 1.220 -0.704 0.060
C5 -1.220 -0.704 0.060
N6 0.000 2.522 -0.276
N7 2.184 -1.261 -0.276
N8 -2.184 -1.261 -0.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10041.48041.48041.48042.64322.64322.6432
H21.10042.09882.09882.09883.15253.15253.1525
C31.48042.09882.43962.43961.16303.46553.4655
C41.48042.09882.43962.43973.46551.16303.4655
C51.48042.09882.43962.43973.46553.46551.1630
N62.64323.15251.16303.46553.46554.36834.3683
N72.64323.15253.46551.16303.46554.36834.3683
N82.64323.15253.46553.46551.16304.36834.3683

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 178.845 C1 C4 N7 178.845
C1 C5 N8 178.845 H2 C1 C3 107.922
H2 C1 C4 107.922 H2 C1 C5 107.922
C3 C1 C4 110.975 C3 C1 C5 110.975
C4 C1 C5 110.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability