data_global
_chemical_name_mineral 'Rhodocrosite'
loop_
_publ_author_name
'Merlini M'
'Hanfland M'
'Gemmi M'
_journal_name_full 'American Mineralogist'
_journal_volume 100 
_journal_year 2015
_journal_page_first 2625
_journal_page_last 2629
_publ_section_title
;
 The MnCO3-II high-pressure polymorph of rhodocrosite
 Note: Sample run1-p14
 Note: P = 35.67 GPa
;
_database_code_amcsd 0020356
_chemical_compound_source 'Sardegna, Italy'
_chemical_formula_sum '(Mn.96 Ca.04) C O3'
_cell_length_a 2.9539
_cell_length_b 4.843
_cell_length_c 5.588
_cell_angle_alpha 101.78
_cell_angle_beta 95.09
_cell_angle_gamma 90.45
_cell_volume 77.921
_exptl_crystal_density_diffrn      4.874
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-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
Mn1   0.19900   0.30700   0.72620   0.96000   0.03600
Ca1   0.19900   0.30700   0.72620   0.04000   0.03600
C1   0.59000   0.81200   0.78000   1.00000   0.03000
O1   0.68000   0.03800   0.84500   1.00000   0.02500
O2   0.70400   0.59900   0.86600   1.00000   0.00400
O3  -0.31300   0.26600   0.43400   1.00000   0.01300
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
Mn1 0.04200 0.03100 0.02400 0.02100 -0.01500 -0.01100
Ca1 0.04200 0.03100 0.02400 0.02100 -0.01500 -0.01100