data_9009518
_chemical_name 'Plumbonacrite'
loop_
_publ_author_name
'Krivovichev S V'
'Burns P C'
_journal_name_full "Mineralogical Magazine"
_journal_volume 64
_journal_year 2000
_journal_page_first 1069
_journal_page_last 1075
_publ_section_title
;
 Crystal chemistry of basic lead carbonates
 II. Crystal structure of synthetic `plumbonacrite'
 Locality: synthetic
;
_chemical_formula_sum 'Pb5 C3 (O12 H2)'
_cell_length_a 9.0921
_cell_length_b 9.0921
_cell_length_c 24.923
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 1784.265
_symmetry_space_group_name_H-M 'P 63 c m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-x+y,z'
  'x-y,x,1/2+z'
  '-y,-x,1/2+z'
  '-y,x-y,z'
  'x-y,-y,z'
  '-x,-y,1/2+z'
  'x,x-y,1/2+z'
  '-x+y,-x,z'
  'y,x,z'
  'y,-x+y,1/2+z'
  '-x+y,y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_Uiso_or_equiv
Pb1   0.64630   0.00000   0.09310   1.00000   0.01480
Pb2   0.00000   0.00000   0.31710   1.00000   0.01740
Pb3   0.67810   0.00000   0.49900   1.00000   0.02270
Pb4   0.00000   0.24660   0.20000   1.00000   0.01840
Pb5   0.66667   0.33333   0.27980   1.00000   0.03710
Pb6   0.42650   0.07880   0.39140   0.50000   0.03800
C1   0.00000   0.00000   0.11000   1.00000   0.02000
C2   0.00000   0.00000   0.46500   1.00000   0.00700
C3   0.33333   0.66667   0.11200   1.00000   0.02000
C4   0.32300   0.32300   0.30200   1.00000   0.02000
C5   0.66667   0.33333   0.48600   1.00000   0.03000
O-H1   0.71100   0.00000   0.17710   1.00000   0.02000
O2   0.52500   0.19900   0.48140   1.00000   0.00800
O3   0.46900   0.46900   0.29440   1.00000   0.00500
O4   0.00000   0.13800   0.47760   1.00000   0.01900
O5   0.00000   0.00000   0.22000   1.00000   0.05000
O6   0.66667   0.33333   0.36600   1.00000   0.02000
O7   0.14300   0.00000   0.10200   1.00000   0.05200
O8   0.18500   0.32300   0.29950   1.00000   0.03400
O9   0.33200  -0.19000   0.12260   1.00000   0.03700
O-H10   0.64900   0.00000   0.40870   1.00000   0.01800