Low-Temperature Form of LiGaSi~2~O~6~
Sato, Akira; Osawa, Toshikazu; Ohashi, Haruo; Acta Crystallographica, Section C: Crystal Structure Communications 51 (1995) 1959–1960; doi:10.1107/s0108270195004732

data_2004051
_publ_section_title
;
 Low-Temperature Form of LiGaSi~2~O~6~
;
_journal_coden_ASTM              ACSCEE
_journal_issue                   10
_journal_name_full
;
 Acta Crystallographica, Section C: Crystal Structure Communications
;
_journal_page_first              1959
_journal_page_last               1960
_journal_paper_doi               10.1107/s0108270195004732
_journal_volume                  51
_journal_year                    1995
_chemical_compound_source        'Ohashi, Osawa & Sato (1989)'
_chemical_formula_moiety         'Li Ga Si2 O6'
_chemical_formula_sum            'Ga Li O6 Si2'
_chemical_formula_weight         228.83
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 110.124(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5394(4)
_cell_length_b                   8.5756(2)
_cell_length_c                   5.2508(3)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    273
_cell_measurement_theta_max      32.0
_cell_measurement_theta_min      27.7
_cell_volume                     403.32(3)
_diffrn_measurement_device       'Enraf-Nonius CAD4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  ?
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2605
_diffrn_reflns_theta_max         40
_diffrn_standards_decay_%        -1.2
_diffrn_standards_interval_count '100 (orientation)'
_diffrn_standards_interval_time  '240 (intensity)'
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    7.32
_exptl_absorpt_correction_T_max  0.4388
_exptl_absorpt_correction_T_min  0.3430
_exptl_absorpt_correction_type   integration
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.77
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.13
_exptl_crystal_size_rad          ?
_refine_diff_density_max         2.0
_refine_diff_density_min         -2.2
_refine_ls_extinction_coef       3.16E-6
_refine_ls_extinction_method     'isotropic secondary extinction'
_refine_ls_goodness_of_fit_obs   1.4
_refine_ls_hydrogen_treatment    'No H atoms'
_refine_ls_number_parameters     92
_refine_ls_number_reflns         2127
_refine_ls_R_factor_obs          0.041
_refine_ls_shift/esd_max         <0.005
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_obs         0.043
_reflns_number_observed          2127
_reflns_number_total             2605
_reflns_observed_criterion       >1.5\s(I)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'Li Ga Si2 O6'
_cod_database_code               2004051