Lipidic Carbo-benzenes: Molecular Probes of Magnetic Anisotropy and Stacking Properties of α-Graphyne.
Zhu, Chongwei; Rives, Arnaud; Duhayon, Carine; Maraval, Valérie; Chauvin, Remi; The Journal of organic chemistry 82 (2017) 925–935; doi:10.1021/acs.joc.6b02397

data_4032114
_publ_section_title
;
 Lipidic Carbo-benzenes: Molecular Probes of Magnetic Anisotropy and
 Stacking Properties of \a-Graphyne.
;
_journal_issue                   2
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              925
_journal_page_last               935
_journal_paper_doi               10.1021/acs.joc.6b02397
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C70 H78'
_chemical_formula_sum            'C70 H78'
_chemical_formula_weight         919.39
_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     other
_cell_angle_alpha                90
_cell_angle_beta                 90.190(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   18.391(3)
_cell_length_b                   5.5876(9)
_cell_length_c                   26.892(5)
_cell_measurement_reflns_used    7232
_cell_measurement_temperature    193
_cell_measurement_theta_max      24
_cell_measurement_theta_min      3
_cell_volume                     2763.4(8)
_computing_cell_refinement       'Apex2 (Bruker AXS, 2006)'
_computing_data_collection       'Apex2 (Bruker AXS, 2006)'
_computing_data_reduction        'Apex2 (Bruker AXS, 2006)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'Superflip (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      193
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Bruker Kappa Apex2'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.161
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
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_diffrn_reflns_theta_full        20.050
_diffrn_reflns_theta_max         24.753
_diffrn_reflns_theta_min         1.339
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.95
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Siemens, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.105
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             996
_exptl_crystal_size_max          0.520
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.010
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_refine_diff_density_min         -0.19
_refine_ls_extinction_method     None
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         1897
_refine_ls_number_restraints     0
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_refine_ls_R_factor_gt           0.0564
_refine_ls_shift/su_max          0.0006549
_refine_ls_shift/su_mean         0.0000407
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 0.435 0.374 0.237 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1638
_refine_ls_wR_factor_gt          0.0532
_refine_ls_wR_factor_ref         0.0475
_reflns_limit_h_max              21
_reflns_limit_h_min              -21
_reflns_limit_k_max              6
_reflns_limit_k_min              0
_reflns_limit_l_max              31
_reflns_limit_l_min              0
_reflns_number_gt                2168
_reflns_number_total             4630
_reflns_threshold_expression     I>2.0\s(I)
_oxford_refine_ls_r_factor_ref   0.0459
_oxford_reflns_number_all        4608
_oxford_reflns_threshold_expression_ref I>3.0\s(I)
_cod_data_source_file            jo6b02397_si_002.cif
_cod_data_source_block           cpd-11c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'Other' changed to 'other'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 4032109--4032117.cif.
;
_cod_original_cell_volume        2763.4(5)
_cod_original_sg_symbol_Hall     '-P 2yn '
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_database_code               4032114