data_9012040
_publ_section_title
;
 Isothermal compression and phase transition in beryllium to 28.3 GPa
 Locality: synthetic
 Sample: at P = 25.5 GPa
 Note: BeII phase, slightly distorded HCP
;
_journal_name_full               'Journal of Physics F: Metal Physics'
_journal_page_first              1
_journal_page_last               8
_journal_paper_doi               10.1088/0305-4608/14/1/003
_journal_volume                  14
_journal_year                    1984
_chemical_formula_sum            Be
_chemical_name_common            Beryllium
_space_group_IT_number           194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   4.3571
_cell_length_b                   4.3571
_cell_length_c                   3.4020
_cell_volume                     55.932
_diffrn_ambient_pressure         2.55e+07
_exptl_crystal_density_diffrn    0.535
_cod_database_code               9012040
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-x+y,1/2+z
x,x-y,1/2-z
-x+y,-x,1/2-z
x-y,x,1/2+z
-y,-x,z
y,x,-z
y,-x+y,-z
-y,x-y,z
x-y,-y,1/2+z
-x+y,y,1/2-z
x,y,1/2-z
-x,-y,1/2+z
x,x-y,z
-x,-x+y,-z
x-y,x,-z
-x+y,-x,z
y,x,1/2+z
-y,-x,1/2-z
-y,x-y,1/2-z
y,-x+y,1/2+z
-x+y,y,z
x-y,-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Be 0.33333 0.66667 0.25000
