Di-<i>tert</i>-Butyl 2,2'-[2,2'-methylenebis(naphthalene-2,1-diyldioxy)]diacetate
Ali, Qamar; Anis, Itrat; Raza Shah, M.; Ng, Seik Weng; Acta Crystallographica Section E 67 (2011) o533–; doi:10.1107/S1600536811003291

data_2229300
_publ_section_title
;
 Di-<i>tert</i>-Butyl
 2,2'-[2,2'-methylenebis(naphthalene-2,1-diyldioxy)]diacetate
;
_journal_coeditor_code           XU5152
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o533
_journal_paper_doi               10.1107/S1600536811003291
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C33 H36 O6'
_chemical_formula_moiety         'C33 H36 O6'
_chemical_formula_sum            'C33 H36 O6'
_chemical_formula_weight         528.62
_chemical_name_systematic
;
Di-<i>tert</i>-Butyl
2,2'-[2,2'-methylenebis(naphthalene-2,1-diyldioxy)]diacetate
;
_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                79.804(4)
_cell_angle_beta                 74.115(4)
_cell_angle_gamma                88.094(4)
_cell_formula_units_Z            2
_cell_length_a                   8.9849(5)
_cell_length_b                   11.8327(6)
_cell_length_c                   13.7768(6)
_cell_measurement_reflns_used    2261
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.1883
_cell_measurement_theta_min      2.3523
_cell_volume                     1386.33(13)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2010)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2010)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2010)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4041
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type
'Agilent SuperNova Dual diffractometer with an Atlas detector'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  Mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0550
_diffrn_reflns_av_sigmaI/netI    0.1138
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11166
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.36
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.74406
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Agilent, 2010)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             564
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.243
_refine_ls_extinction_coef       0.0041(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         6119
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.1385
_refine_ls_R_factor_gt           0.0697
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0471P)^2^+0.6065P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1302
_refine_ls_wR_factor_ref         0.1713
_reflns_number_gt                3422
_reflns_number_total             6119
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu5152.cif
_cod_data_source_block           I
_cod_original_cell_volume        1386.33(12)
_cod_database_code               2229300
_cod_database_fobs_code          2229300