data_global
_chemical_name_mineral 'Krettnichite'
loop_
_publ_author_name
'Brugger J'
'Armbruster T'
'Criddle A J'
'Berlepsch P'
'Graeser S'
'Reeves S'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 13 
_journal_year 2001
_journal_page_first 145
_journal_page_last 158
_publ_section_title
;
 Description, crystal structure, and paragenesis of krettnichite,
 PbMn2(VO4)2(OH)2, the Mn3+ analogue of mounanaite
;
_database_code_amcsd 0006853
_chemical_formula_sum '(Pb.83 Sr.17) Mn2 V2 (O10 H2)'
_cell_length_a 9.2953
_cell_length_b 6.2894
_cell_length_c 7.6906
_cell_angle_alpha 90
_cell_angle_beta 118.068
_cell_angle_gamma 90
_cell_volume 396.728
_exptl_crystal_density_diffrn      4.693
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Pb   0.00000   0.00000   0.00000   0.83000   0.02210
Sr   0.00000   0.00000   0.00000   0.17000   0.02210
Mn   0.25000   0.25000   0.50000   1.00000   0.01240
V   0.92130   0.50000   0.21890   1.00000   0.01070
O-H1   0.33650   0.50000   0.42000   1.00000   0.01600
O2   0.31500   0.00000   0.35100   1.00000   0.02000
O3   0.04320   0.27370   0.26450   1.00000   0.01700
O4   0.21900   0.50000   0.01200   1.00000   0.02700
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Pb 0.02310 0.01770 0.02510 0.00000 0.01090 0.00000
Sr 0.02310 0.01770 0.02510 0.00000 0.01090 0.00000
Mn 0.01220 0.01130 0.01380 -0.00050 0.00620 -0.00110
V 0.01010 0.01020 0.01300 0.00000 0.00600 0.00000
O-H1 0.01000 0.01400 0.02000 0.00000 0.00500 0.00000
O2 0.02200 0.02000 0.02300 0.00000 0.01300 0.00000
O3 0.01600 0.01500 0.01800 0.00100 0.00800 -0.00200
O4 0.02500 0.02700 0.02200 0.00000 0.00500 0.00000