Crystal structure of hexaaquamagnesium(II) diperchlorate diadamantane dihydrate, [Mg(H~2~O)~6~][ClO~4~]~2~ · 2C~10~H~16~ · 2H~2~O
Tai, Xi-Shi; Yin, Jie; Hao, Ming-Yang; Zeitschrift für Kristallographie - New Crystal Structures 222 (2007) 231–232; doi:

data_8102130
_publ_section_title
;
Crystal structure of hexaaquamagnesium(II) diperchlorate diadamantane 
dihydrate, [Mg(H~2~O)~6~][ClO~4~]~2~ &#x00B7; 2C~10~H~16~ &#x00B7; 
2H~2~O
;
_journal_issue                   3
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              231
_journal_page_last               232
_journal_volume                  222
_journal_year                    2007
_chemical_formula_structural
'[Mg(H~2~O)~6~][ClO4]2 &#x00B7; 2C10H16 &#x00B7; 2H2O'
_chemical_formula_sum            'C20 H48 Cl2 Mg O16'
_chemical_formula_weight         639.79
_chemical_name_systematic
; 
hexaaquamagnesium(II) bisperchlorate bisadamantane solvate dihydrate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.047(8)
_cell_angle_beta                 104.358(8)
_cell_angle_gamma                114.193(8)
_cell_formula_units_Z            1
_cell_length_a                   8.251(4)
_cell_length_b                   9.230(4)
_cell_length_c                   10.784(5)
_cell_measurement_reflns_used    1095
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      24.66
_cell_measurement_theta_min      2.82
_cell_volume                     711.8(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       phi/omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0556
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3592
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.323
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.677189
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             342
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.552
_refine_diff_density_min         -0.552
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         2482
_refine_ls_number_restraints     22
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.1141
_refine_ls_R_factor_gt           0.0739
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1142P)^2^+1.3546P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1891
_refine_ls_wR_factor_ref         0.2226
_reflns_number_gt                1643
_reflns_number_total             2482
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1267-2013.cff
_cod_data_source_block           60923b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed to
'constr' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'NONE' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               8102130