Chem. J. Chinese Universities ›› 2016, Vol. 37 ›› Issue (12): 2260.doi: 10.7503/cjcu20160349
• Physical Chemistry • Previous Articles Next Articles
ZHANG Yu, WANG Chong, ZHANG Shuai, LI Genquan*()
Received:
2016-05-18
Online:
2016-12-10
Published:
2016-11-21
Contact:
LI Genquan
E-mail:nynulgq@21cn.com
Supported by:
CLC Number:
TrendMD:
ZHANG Yu, WANG Chong, ZHANG Shuai, LI Genquan. Density Functional Theory Study of the Structural and Spectrum Properties for PdSin(n=1—15) Clusters†[J]. Chem. J. Chinese Universities, 2016, 37(12): 2260.
Fig.3 Size dependence of the averaged binding energy(Eb) of PbSin(n=1—15)(a) and Sin+1(b)(A), HOMO-LUMO energy gap(Egap, B), second-order energy difference(Δ2E, a) and fragmentation energy(D, b) of the lowest energy structures of PdSin(n=1—15) clusters(C)
Cluster | NCP/e | NEC/e | ||
---|---|---|---|---|
Pd | Sin | Pd | Sin | |
PdSi | -0.42 | -0.42 | 5s0.954d9.465p0.02 | 3s1.903p1.654s0.013d0.014p0.01 |
PdSi2 | -0.14 | 0.07 | 5s0.564d9.495p0.096S0.01 | 3s1.753p2.163d0.024p0.01 |
PdSi3 | -0.09 | -0.29—0.19 | 5s0.424d9.575p0.106p0.01 | 3s1.60—1.773p2.01—2.64 |
PdSi4 | -0.06 | -0.07—0.09 | 5s0.354d9.565p0.146s0.016p0.01 | 3s1.62—1.713p2.16—2.41 |
PdSi5 | -0.17 | -0.14—0.17 | 5s0.384d9.555p0.26 | 3s1.58—1.693p2.11—2.52 |
PdSi6 | 0.23 | -0.29—0.23 | 5s0.434d9.535p0.276p0.01 | 3s1.52—1.713p2.04—2.66 |
PdSi7 | -0.12 | -0.27—0.17 | 5s0.444d9.555p0.146p0.01 | 3s1.51—1.713p2.10—2.66 |
PdSi8 | -0.22 | -0.23—0.17 | 5s0.414d9.555p0.276p0.01 | 3s1.44—1.693p2.12—2.64 |
PdSi9 | -0.17 | -0.18—0.19 | 5s0.434d9.555p0.206p0.01 | 3s1.46—1.693p2.13—2.67 |
PdSi10 | -0.42 | -0.22—0.27 | 5s0.404d9.575p0.475d0.016p0.01 | 3s1.43—1.653p2.06—2.74 |
PdSi11 | -1.94 | 0.01—0.41 | 5s0.424d9.535p1.956s0.045d0.01 | 3s1.44—1.673p1.89—2.47 |
PdSi12 | -1.98 | 0.15—0.19 | 5s0.404d9.525p2.006s0.05d0.01 | 3s1.50—1.523p2.28—2.30 |
PdSi13 | -1.68 | 0.02—0.24 | 5s0.404d9.525p1.716s0.045d0.01 | 3s1.41—1.693p2.03—2.52 |
PdSi14 | -2.08 | -0.11—0.38 | 5s0.444d9.615p2.006s0.035d0.01 | 3s1.33—1.703p2.09—2.64 |
PdSi15 | -1.63 | 0.06—0.19 | 5s0.424d9.525p1.646s0.05 | 3s1.40—1.663p2.19—2.50 |
Table 1 Natural charge population(NCP) and natural electron configuration(NEC) of Pd atom andSi atoms in the lowest-energy PdSin(n=1—15) clusters
Cluster | NCP/e | NEC/e | ||
---|---|---|---|---|
Pd | Sin | Pd | Sin | |
PdSi | -0.42 | -0.42 | 5s0.954d9.465p0.02 | 3s1.903p1.654s0.013d0.014p0.01 |
PdSi2 | -0.14 | 0.07 | 5s0.564d9.495p0.096S0.01 | 3s1.753p2.163d0.024p0.01 |
PdSi3 | -0.09 | -0.29—0.19 | 5s0.424d9.575p0.106p0.01 | 3s1.60—1.773p2.01—2.64 |
PdSi4 | -0.06 | -0.07—0.09 | 5s0.354d9.565p0.146s0.016p0.01 | 3s1.62—1.713p2.16—2.41 |
PdSi5 | -0.17 | -0.14—0.17 | 5s0.384d9.555p0.26 | 3s1.58—1.693p2.11—2.52 |
PdSi6 | 0.23 | -0.29—0.23 | 5s0.434d9.535p0.276p0.01 | 3s1.52—1.713p2.04—2.66 |
PdSi7 | -0.12 | -0.27—0.17 | 5s0.444d9.555p0.146p0.01 | 3s1.51—1.713p2.10—2.66 |
PdSi8 | -0.22 | -0.23—0.17 | 5s0.414d9.555p0.276p0.01 | 3s1.44—1.693p2.12—2.64 |
PdSi9 | -0.17 | -0.18—0.19 | 5s0.434d9.555p0.206p0.01 | 3s1.46—1.693p2.13—2.67 |
PdSi10 | -0.42 | -0.22—0.27 | 5s0.404d9.575p0.475d0.016p0.01 | 3s1.43—1.653p2.06—2.74 |
PdSi11 | -1.94 | 0.01—0.41 | 5s0.424d9.535p1.956s0.045d0.01 | 3s1.44—1.673p1.89—2.47 |
PdSi12 | -1.98 | 0.15—0.19 | 5s0.404d9.525p2.006s0.05d0.01 | 3s1.50—1.523p2.28—2.30 |
PdSi13 | -1.68 | 0.02—0.24 | 5s0.404d9.525p1.716s0.045d0.01 | 3s1.41—1.693p2.03—2.52 |
PdSi14 | -2.08 | -0.11—0.38 | 5s0.444d9.615p2.006s0.035d0.01 | 3s1.33—1.703p2.09—2.64 |
PdSi15 | -1.63 | 0.06—0.19 | 5s0.424d9.525p1.646s0.05 | 3s1.40—1.663p2.19—2.50 |
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