Crystal structures with a challenge: high-pressure crystallisation of ciprofloxacin sodium salts and their recovery to ambient pressure
Fabbiani, Francesca P. A.; Dittrich, Birger; Florence, Alastair J.; Gelbrich, Thomas; Hursthouse, Michael B.; Kuhs, Werner F.; Shankland, Norman; Sowa, Heidrun; CrystEngComm 11 (2009) 1396–; doi:10.1039/b822987b

data_7200857
_publ_section_title
;
 Crystal structures with a challenge: high-pressure crystallisation of
 ciprofloxacin sodium salts and their recovery to ambient pressure
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              1396
_journal_paper_doi               10.1039/b822987b
_journal_volume                  11
_journal_year                    2009
_chemical_compound_source
;
recovery of 4 to ambient pressure, first 100 K data collection
;
_chemical_formula_moiety         '2(C17 H17 F N3 O3), 10(H2 O), 2(Na)'
_chemical_formula_sum            'C34 H54 F2 N6 Na2 O16'
_chemical_formula_weight         858.65
_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
;
'Starting from fract. coordinates of 4'
;
_cell_angle_alpha                90.983(14)
_cell_angle_beta                 98.941(14)
_cell_angle_gamma                93.181(14)
_cell_formula_units_Z            2
_cell_length_a                   11.065(10)
_cell_length_b                   13.155(12)
_cell_length_c                   13.879(12)
_cell_measurement_reflns_used    937
_cell_measurement_temperature    100
_cell_measurement_theta_max      19
_cell_measurement_theta_min      3
_cell_volume                     1992(3)
_computing_cell_refinement       'Apex2 (Bruker AXS, 2006)'
_computing_data_collection       'Apex2 (Bruker AXS, 2006)'
_computing_data_reduction        'Apex2 (Bruker AXS, 2006)'
_computing_molecular_graphics    MERCURY
_computing_publication_material
'CRYSTALS (Betteridge et al., 2003), PLATON, XCIF, ENCIFER'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'Starting from fract. coordinates of 4'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device       'Bruker Apex2'
_diffrn_measurement_device_type  Area
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.109
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            7961
_diffrn_reflns_theta_full        18.682
_diffrn_reflns_theta_max         19.063
_diffrn_reflns_theta_min         1.486
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.140
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.52
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'based on symmetry-related measuraments'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.479
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.22
_refine_diff_density_min         -0.90
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9484
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         3164
_refine_ls_number_restraints     200
_refine_ls_R_factor_all          0.1919
_refine_ls_R_factor_gt           0.1206
_refine_ls_shift/su_max          0.000385
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
Method= Modified Sheldrick
w=1/[\s^2^(F^2^) + ( 0.17P)^2^ +28.92P]
,where P=(max(Fo^2^,0) + 2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.3717
_refine_ls_wR_factor_gt          0.3214
_refine_ls_wR_factor_ref         0.3717
_reflns_limit_h_max              9
_reflns_limit_h_min              -10
_reflns_limit_k_max              12
_reflns_limit_k_min              -11
_reflns_limit_l_max              12
_reflns_limit_l_min              0
_reflns_number_gt                1608
_reflns_number_total             3173
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   1.56
_oxford_diffrn_Wilson_scale      30.15
_oxford_refine_ls_r_factor_ref   0.1919
_oxford_refine_ls_scale          0.2477(7)
_oxford_reflns_number_all        3164
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_cod_data_source_file            b822987b.txt
_cod_data_source_block           5
_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.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               7200857