Pyroxene-type compounds Na<i>M</i>^3+^Ge~2~O~6~, with <i>M</i> = Ga, Mn, Sc and In
Redhammer, Günther J.; Tippelt, Gerold; Acta Crystallographica Section C 70 (2014) –; doi:10.1107/S2053229614017768

data_2019642
_publ_section_title
;
 Pyroxene-type compounds Na<i>M</i>^3+^Ge~2~O~6~, with <i>M</i> = Ga, Mn,
 Sc and In
;
_journal_coeditor_code           EG3165
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2053229614017768
_journal_volume                  70
_journal_year                    2014
_chemical_formula_analytical     NaGaGe2O6
_chemical_formula_iupac          'Na Ga Ge2 O6'
_chemical_formula_moiety         'Ga Ge2 O6, Na'
_chemical_formula_sum            'Ga Ge2 Na O6'
_chemical_formula_weight         333.93
_chemical_name_common            pyroxene
_chemical_name_systematic
;
Sodium gallium germanate
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 107.5419(11)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.9279(9)
_cell_length_b                   8.8550(8)
_cell_length_c                   5.4680(6)
_cell_measurement_reflns_used    2544
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.64
_cell_measurement_theta_min      3.15
_cell_volume                     458.35(8)
_computing_cell_refinement       'APEX2 (Bruker, 2012)'
_computing_data_collection       'APEX2 (Bruker, 2012)'
_computing_data_reduction        'APEX2 (Bruker, 2012)'
_computing_molecular_graphics    'DIAMOND (Brandenburg,2006)'
_computing_publication_material  'WinGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL2012 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS2012 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX'
_diffrn_measurement_method
'rotation, \w scans at four different \f positions'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0481
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            2544
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.642
_diffrn_reflns_theta_min         3.15
_exptl_absorpt_coefficient_mu    18.912
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.359
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(APEX2; Bruker, 2012)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    4.839
_exptl_crystal_description       isometric
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.110
_exptl_crystal_size_mid          0.090
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.846
_refine_diff_density_min         -0.805
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_matrix_type           full
_refine_ls_number_parameters     47
_refine_ls_number_reflns         489
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0285
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0237P)^2^+0.9355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0561
_reflns_number_gt                382
_reflns_number_total             489
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            eg3165sup1.cif
_cod_data_source_block           NGaG
_cod_database_code               2019642
_cod_database_fobs_code          2019642