GROUND-STATE ELECTRON CONFIGURATION OF ELEMENT-111

被引:83
作者
ELIAV, E
KALDOR, U
SCHWERDTFEGER, P
HESS, BA
ISHIKAWA, Y
机构
[1] UNIV AUCKLAND,DEPT CHEM,AUCKLAND,NEW ZEALAND
[2] UNIV BONN,INST THEORET & PHYS CHEM,D-53115 BONN,GERMANY
[3] UNIV PUERTO RICO,DEPT CHEM,SAN JUAN,PR 00931
关键词
D O I
10.1103/PhysRevLett.73.3203
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The low-lying electronic states of element 111 are investigated by the relativistic coupled-cluster method based on the Dirac-Coulomb-Breit Hamiltonian. A large basis set (26s21? p? 16d9f7g5h) of Gaussian-type orbitals is used. In contrast to the lighter group 11 elements, the ground state of the atom is 6d97s2D522; the D322 state is higher by 2.69 eV, and the 6d107sS2 lies 2.95 eV above the D522. The reversal is ascribed to relativistic effects; without them, the S2 energy is 5.43 eV below the D2. The calculated electron affinity of the atom is 1.56 eV, and its ionization potential is 10.6 eV. © 1994 The American Physical Society.
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页码:3203 / 3206
页数:4
相关论文
共 23 条
[21]   KINETIC BALANCE - A PARTIAL SOLUTION TO THE PROBLEM OF VARIATIONAL SAFETY IN DIRAC CALCULATIONS [J].
STANTON, RE ;
HAVRILIAK, S .
JOURNAL OF CHEMICAL PHYSICS, 1984, 81 (04) :1910-1918
[22]   FOUNDATIONS OF THE RELATIVISTIC THEORY OF MANY-ELECTRON ATOMS [J].
SUCHER, J .
PHYSICAL REVIEW A, 1980, 22 (02) :348-362
[23]   RELATIVISTIC MANY-ELECTRON HAMILTONIANS [J].
SUCHER, J .
PHYSICA SCRIPTA, 1987, 36 (02) :271-281