2,3-Bis[(2-methylphenoxy)methyl]buta-1,3-diene
Sathiyanarayanan, K.; George Fernand, A.; Dhanasekaran, V.; Rathore, R. S.; Acta Crystallographica Section E 64 (2008) o123–o123; doi:10.1107/S1600536807063398

data_2216968
_publ_section_title
;
 2,3-Bis[(2-methylphenoxy)methyl]buta-1,3-diene
;
_journal_coeditor_code           BX2123
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o123
_journal_page_last               o123
_journal_paper_doi               10.1107/S1600536807063398
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C20 H22 O2'
_chemical_formula_moiety         'C20 H22 O2'
_chemical_formula_sum            'C20 H22 O2'
_chemical_formula_weight         294.38
_chemical_melting_point          346
_chemical_name_systematic
;
2,3-Bis[(2-methylphenoxy)methyl]buta-1,3-diene
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 102.044(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.2241(5)
_cell_length_b                   21.6274(19)
_cell_length_c                   7.5101(7)
_cell_measurement_reflns_used    4455
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      30.96
_cell_measurement_theta_min      2.8
_cell_volume                     829.84(13)
_computing_cell_refinement       'APEX2 and SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PLATON'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  BrukerKkappa
_diffrn_measurement_method       '\w and \f-scan'
_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    0.0212
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7281
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.93
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.178
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             316
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.201
_refine_diff_density_min         -0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.146
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     143
_refine_ls_number_reflns         1632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.146
_refine_ls_R_factor_all          0.0722
_refine_ls_R_factor_gt           0.0603
_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^)+(0.0254P)^2^+0.7904P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1338
_refine_ls_wR_factor_ref         0.1414
_reflns_number_gt                1352
_reflns_number_total             1632
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            bx2123.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2216968
_cod_database_fobs_code          2216968