Structural and electronic properties of small beryllium clusters: A theoretical study

被引:43
作者
Srinivas, S [1 ]
Jellinek, J
机构
[1] Cent Michigan Univ, Dept Phys, Mt Pleasant, MI 48859 USA
[2] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA
关键词
D O I
10.1063/1.1791071
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Geometric structures and electronic properties of small beryllium clusters (Be-n, 2less than or equal tonless than or equal to9) are investigated within the gradient-corrected density functional theory. The computations are performed with the Becke exchange and Perdew-Wang correlation functionals. Both low and high multiplicity states are considered. A predominance of higher multiplicity states among the low-energy isomers of the larger clusters is found. An analysis of the variations in the structural and electronic properties with cluster size is presented, and the results are compared with those of earlier studies. (C) 2004 American Institute of Physics.
引用
收藏
页码:7243 / 7252
页数:10
相关论文
共 41 条
[1]   Electron binding energies of anionic magnesium clusters and the nonmetal-to-metal transition [J].
Acioli, PH ;
Jellinek, J .
PHYSICAL REVIEW LETTERS, 2002, 89 (21) :213402-213402
[2]   DENSITY-FUNCTIONAL EXCHANGE-ENERGY APPROXIMATION WITH CORRECT ASYMPTOTIC-BEHAVIOR [J].
BECKE, AD .
PHYSICAL REVIEW A, 1988, 38 (06) :3098-3100
[3]   Density functional calculations of beryllium clusters Ben, n=2-8 [J].
Beyer, MK ;
Kaledin, LA ;
Kaledin, AL ;
Heaven, MC ;
Bondybey, VE .
CHEMICAL PHYSICS, 2000, 262 (01) :15-23
[4]   DEVELOPMENT OF A 1ST-PRINCIPLES MANY-BODY POTENTIAL FOR BERYLLIUM [J].
BLAISTENBAROJAS, E ;
KHANNA, SN .
PHYSICAL REVIEW LETTERS, 1988, 61 (13) :1477-1480
[5]   ELECTRONIC-STRUCTURE AND BONDING OF BE2 [J].
BONDYBEY, VE .
CHEMICAL PHYSICS LETTERS, 1984, 109 (05) :436-441
[6]   THERMAL-STABILITY AND STRUCTURAL TRANSITION IN BE MICROCLUSTERS [J].
CAI, ZX ;
MAHANTI, SD ;
ANTONELLI, A ;
KHANNA, SN ;
JENA, P .
PHYSICAL REVIEW B, 1992, 46 (12) :7841-7845
[7]   EFFICIENT DIFFUSE FUNCTION-AUGMENTED BASIS SETS FOR ANION CALCULATIONS. III. THE 3-21+G BASIS SET FOR FIRST-ROW ELEMENTS, LI-F [J].
CLARK, T ;
CHANDRASEKHAR, J ;
SPITZNAGEL, GW ;
SCHLEYER, PV .
JOURNAL OF COMPUTATIONAL CHEMISTRY, 1983, 4 (03) :294-301
[8]   SELF-CONSISTENT MOLECULAR-ORBITAL METHODS .9. EXTENDED GAUSSIAN-TYPE BASIS FOR MOLECULAR-ORBITAL STUDIES OF ORGANIC MOLECULES [J].
DITCHFIELD, R ;
HEHRE, WJ ;
POPLE, JA .
JOURNAL OF CHEMICAL PHYSICS, 1971, 54 (02) :724-+
[9]  
Dunning T. H., 1976, MODERN THEORETICAL C