Synthesis and crystal structure of a new magnesium phosphate Na~3~RbMg~7~(PO~4~)~6~
Ben Hamed, Teycir; Boukhris, Amal; Badri, Abdessalem; Ben Amara, Mongi; Acta Crystallographica Section E 73 (2017) 817–820; doi:10.1107/S2056989017006363

data_2242147
_publ_section_title
;
 Synthesis and crystal structure of a new magnesium phosphate
 Na~3~RbMg~7~(PO~4~)~6~
;
_journal_coeditor_code           BR2264
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              817
_journal_page_last               820
_journal_paper_doi               10.1107/S2056989017006363
_journal_volume                  73
_journal_year                    2017
_chemical_formula_moiety         'Mg7 Na3 O24 P6 Rb1'
_chemical_formula_sum            'Mg7 Na3 O24 P6 Rb'
_chemical_formula_weight         894.43
_chemical_name_systematic
;
Trisodium rubidium heptamagnesium hexakis(orthophosphate)
;
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
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;
CAD-4 EXPRESS (Enraf--Nonius, 1994)
;
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CAD-4 EXPRESS (Enraf--Nonius, 1994)
;
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XCAD4 (Harms & Wocadlo, 1995)
;
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;
DIAMOND (Brandenburg et al., 1999)
;
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WinGX (Farrugia, 2012)
;
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SHELXL2014 (Sheldrick, 2015)
;
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;
SIR92 (Altomare <i>et al.</i>,  1993)
;
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_diffrn_standards_decay_%        -2
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_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
(Parkin <i>et al.</i>,  1995)
;
_exptl_crystal_colour            colourless
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_exptl_crystal_description       prism
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0360
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0549P)^2^+7.6361P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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