Crystal binding energy

R. M. Metzger, The enthalpy of formation and the experimental crystal binding energy of tetrathiafulvalenium 7,7,8,8-tetracyanoquinodimethanide (TTF TCNQ), J. Chem. Phys. 66 2525-2533 (1977). 

The equation says that a sequence at the crystal face has to collect sufficient thermal energy to overcome the crystal binding energy the term accounts for the reduced binding energy of the two endgroups. 

C.Q. Sun, Atomic-coordination-imperfection-enhanced Pd-3d(5/2) crystal binding energy. Surf. Rev. Lett. 10(6), 1009-1013 (2003)... 

For a spherical silicon dot, B = 0.91, m = 4.88, Z2 — 6, and Zi— 12. Compared with the relations given in (18.4), the complex dielectric performance of a nanosolid semiconductor depends functionally on crystal binding energy and e-p coupling strength. The imaginary dielectric constant depends also functionally on the photon energy. Both components drop with sohd size, which follow the BOLS correlation. 

A related advantage of studying crystalline matter is that one can have synnnetry-related operations that greatly expedite the discussion of a chemical bond. For example, in an elemental crystal of diamond, all the chemical bonds are equivalent. There are no tenninating bonds and the characterization of one bond is sufficient to understand die entire system. If one were to know the binding energy or polarizability associated with one bond, then properties of the diamond crystal associated with all the bonds could be extracted. In contrast, molecular systems often contain different bonds and always have atoms at the boundary between the molecule and the vacuum. 

Figure 9.14 Kinetic current density (squares) at 0.8 V for O2 reduction on the Pt monolayer deposited on various metal single-crystal surfaces in a 0.1 M HCIO4 solution, and calculated binding energies (circles) of atomic oxygen (BEq), as a function of calculated d-band center (relative to the Fermi level, ej — sp) of the respective surfaces. The data for Pt(lll) were obtained from [Markovic et al., 1999] and are included for comparison. Key 1, PIml/ Ru(OOOl) 2, PtML/Ir(lll) 3, PtML/Rh(lH) 4, PtML/Au(lll) 5, Pt(lll) 6, PIml/ Pd(lll). (Reproduced with permission from Zhang et al. [2005a].)...

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