Synthesis of ether oligomers.
Renaudet, Olivier; Reymond, Jean-Louis; Organic letters 6 (2004) 397–400; doi:10.1021/ol036300d

data_1506894
_publ_section_title
;
 Synthesis of ether oligomers.
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_journal_issue                   3
_journal_name_full               'Organic letters'
_journal_page_first              397
_journal_page_last               400
_journal_paper_doi               10.1021/ol036300d
_journal_volume                  6
_journal_year                    2004
_chemical_formula_moiety         'C30 H27 N O8'
_chemical_formula_sum            'C30 H27 N O8'
_chemical_formula_weight         529.53
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                96.122(7)
_cell_angle_beta                 99.555(7)
_cell_angle_gamma                104.529(7)
_cell_formula_units_Z            2
_cell_length_a                   8.7426(8)
_cell_length_b                   10.6484(9)
_cell_length_c                   14.4952(13)
_cell_measurement_reflns_used    16289
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      29.59
_cell_measurement_theta_min      1.93
_cell_volume                     1272.5(2)
_computing_cell_refinement       'X-Area V1.17 (STOE & Cie GmbH, 2002)'
_computing_data_collection       'X-Area V1.17 (STOE & Cie GmbH, 2002)'
_computing_data_reduction        'X-RED32 V1.04 (STOE & Cie GmbH, 2002)'
_computing_molecular_graphics    'PLATON  (Spek, 1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.948
_diffrn_measured_fraction_theta_max 0.948
_diffrn_measurement_device_type  'STOE IPDS-2'
_diffrn_measurement_method       'rotation method'
_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  0.0301
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14862
_diffrn_reflns_theta_full        29.56
_diffrn_reflns_theta_max         29.56
_diffrn_reflns_theta_min         2.00
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            pale_yellow
_exptl_crystal_density_diffrn    1.382
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             556
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.261
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_refine_diff_density_rms         0.035
_refine_ls_extinction_coef       0.023(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.997
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     461
_refine_ls_number_reflns         6762
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0357
_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^)+(0.0359P)^2^+0.3655P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0851
_refine_ls_wR_factor_ref         0.0909
_reflns_number_gt                5652
_reflns_number_total             6762
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ol036300dsi20031125_105911.cif
_cod_data_source_block           ether59
_cod_depositor_comments
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The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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 
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_cod_database_code               1506894