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

using model chemistry: QCISD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-316.394163
Energy at 298.15K 
HF Energy-315.357697
Nuclear repulsion energy209.922926
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 QCISD(T)/cc-pVDZ
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 3069 2925        
2 A1 2281 2174        
3 A1 827 789        
4 A1 559 533        
5 A1 159 151        
6 A2 331 315        
7 E 2281 2174        
7 E 2281 2174        
8 E 1285 1225        
8 E 1285 1225        
9 E 1027 978        
9 E 1027 978        
10 E 555 529        
10 E 554 528        
11 E 330 314        
11 E 329 314        
12 E 127 121        
12 E 126 120        

Unscaled Zero Point Vibrational Energy (zpe) 9215.8 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 8783.6 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 QCISD(T)/cc-pVDZ
ABC
0.09286 0.09286 0.04895

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.521
H2 0.000 0.000 1.630
C3 0.000 1.418 0.063
C4 1.228 -0.709 0.063
C5 -1.228 -0.709 0.063
N6 0.000 2.544 -0.280
N7 2.203 -1.272 -0.280
N8 -2.203 -1.272 -0.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10861.49081.49081.49082.66762.66762.6676
H21.10862.11402.11402.11403.18163.18163.1816
C31.49082.11402.45692.45691.17693.49463.4946
C41.49082.11402.45692.45693.49461.17693.4946
C51.49082.11402.45692.45693.49463.49461.1769
N62.66763.18161.17693.49463.49464.40694.4069
N72.66763.18163.49461.17693.49464.40694.4069
N82.66763.18163.49463.49461.17694.40694.4069

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.013 C1 C4 N7 179.013
C1 C5 N8 179.013 H2 C1 C3 107.923
H2 C1 C4 107.923 H2 C1 C5 107.923
C3 C1 C4 110.974 C3 C1 C5 110.974
C4 C1 C5 110.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability