Layered Calcium Structures of p-Phosphonic Acid O-Methyl-Calix[6]arene.
Clark, Thomas E.; Martin, Adam; Makha, Mohamed; Sobolev, Alexandre N.; Su, Dian; Rohrs, Henry W.; Gross, Michael L.; Raston, Colin L.; Crystal growth & design 10 (2010) 3211–3217; doi:10.1021/cg1003484

data_4501740
_publ_section_title
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 Layered Calcium Structures of p-Phosphonic Acid O-Methyl-Calix[6]arene.
;
_journal_issue                   7
_journal_name_full               'Crystal growth &amp; design'
_journal_page_first              3211
_journal_page_last               3217
_journal_paper_doi               10.1021/cg1003484
_journal_volume                  10
_journal_year                    2010
_chemical_formula_moiety         'C48 H54 O24 P6, 4(H N O3), 6(H2 O)'
_chemical_formula_sum            'C48 H70 N4 O42 P6'
_chemical_formula_weight         1560.90
_chemical_name_systematic
; 
 ? 
;
_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                113.447(3)
_cell_angle_beta                 94.212(3)
_cell_angle_gamma                108.695(3)
_cell_formula_units_Z            1
_cell_length_a                   12.182(2)
_cell_length_b                   12.332(2)
_cell_length_c                   13.108(2)
_cell_measurement_temperature    100(2)
_cell_volume                     1664.9(5)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'XSeed (Barbour, 2001)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       '\w scans'
_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  0.0251
_diffrn_reflns_av_sigmaI/netI    0.0465
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10181
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.270
_exptl_absorpt_correction_T_max  0.9866
_exptl_absorpt_correction_T_min  0.9355
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
Data were corrected for decay and absorption using the program SADABS
based on the method of R.H. Blessing (Acta Cryst. A51, 33-38, 1995).
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.557
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             812
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.072
_refine_diff_density_min         -0.801
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     444
_refine_ls_number_reflns         5816
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0947
_refine_ls_R_factor_gt           0.0697
_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^)+(0.1000P)^2^+3.7000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1849
_refine_ls_wR_factor_ref         0.2030
_reflns_number_gt                4259
_reflns_number_total             5816
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg1003484_si_002.cif
_cod_data_source_block           tca020
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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 
;
_cod_database_code               4501740