(3<i>S</i>,4<i>R</i>)-4-(2,5-Dimethoxyphenyl)-8-methoxyisochroman-3-ol
Palusiak, Marcin; Małecka, Magdalena; Grabowski, Sławomir J.; Epsztajn, Jan; Bieniek, Adam; Kowalska, Justyna A.; Acta Crystallographica Section E 58 (2002) o620–o622; doi:10.1107/S1600536802007419

data_2201151
_publ_section_title
;
 (3<i>S</i>,4<i>R</i>)-4-(2,5-Dimethoxyphenyl)-8-methoxyisochroman-3-ol
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o620
_journal_page_last               o622
_journal_paper_doi               10.1107/S1600536802007419
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          'C18 H20 O5'
_chemical_formula_moiety         'C18 H20 O5'
_chemical_formula_sum            'C18 H20 O5'
_chemical_formula_weight         316.34
_chemical_name_systematic
;
(3S,4R)-4-(2,5-Dimethoxyphenyl)-8-methoxyisochroman-3-ol
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.9200(10)
_cell_length_b                   18.114(2)
_cell_length_c                   7.3830(10)
_cell_measurement_reflns_used    20
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12.34
_cell_measurement_theta_min      9.48
_cell_volume                     1594.1(3)
_computing_cell_refinement
;
MSC/AFC Diffractometer Control Software
;
_computing_data_collection
;
MSC/AFC Diffractometer Control Software (Molecular Structure Corporation,
1989a)
;
_computing_data_reduction
;
TEXSAN (Molecular Structure Corporation, 1989b)'
;
_computing_molecular_graphics    'PLATON (Spek, 1998)'
_computing_publication_material  'PARST97 (Nardelli, 1996)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Rigaku AFC-5S'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            6547
_diffrn_reflns_theta_full        72.57
_diffrn_reflns_theta_max         72.57
_diffrn_reflns_theta_min         4.44
_diffrn_standards_decay_%        <2
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.791
_exptl_absorpt_correction_T_max  0.879
_exptl_absorpt_correction_T_min  0.778
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   '(de Meulenaer & Tompa, 1965)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.172
_refine_diff_density_min         -0.145
_refine_ls_abs_structure_details 'Flack (1983), 1281 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.1(2)
_refine_ls_extinction_coef       0.0125(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3063
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0447
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0726P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1087
_reflns_number_gt                2599
_reflns_number_total             3063
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            na6159.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_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_original_cell_volume        1594.2(3)
_cod_database_code               2201151
_cod_database_fobs_code          2201151