Toward the Understanding of Modulation in Molecular Materials: Barluenga's Reagent and its Analogues.
Kim, Yejin; Mckinley, Emma J.; Christensen, Kirsten E.; Rees, Nicholas H.; Thompson, Amber L.; Crystal Growth & Design 14 (2014) 6294–6301; doi:10.1021/cg500983s

data_4512318
_publ_section_title
;
 Toward the Understanding of Modulation in Molecular Materials:
 Barluenga's Reagent and its Analogues.
;
_journal_coden_ASTM              CGDEFU
_journal_issue                   12
_journal_name_full               'Crystal Growth & Design'
_journal_page_first              6294
_journal_page_last               6301
_journal_paper_doi               10.1021/cg500983s
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C10 H10 I N2, I3, 2(I2)'
_chemical_formula_sum            'C10 H10 I8 N2'
_chemical_formula_weight         1173.44
_chemical_melting_point          ?
_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
_audit_creation_date             14-06-10
_audit_creation_method           CRYSTALS_ver_14.40
_cell_angle_alpha                90
_cell_angle_beta                 91.7309(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.3576(1)
_cell_length_b                   15.3233(2)
_cell_length_c                   16.8802(2)
_cell_measurement_reflns_used    6194
_cell_measurement_temperature    100
_cell_measurement_theta_max      32
_cell_measurement_theta_min      2
_cell_volume                     1126.62(3)
_computing_cell_refinement       'CrysAlis, (Oxford Diffraction, 2002)'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrysAlis, (Oxford Diffraction, 2002)'
_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      100
_diffrn_detector                 CCD
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.938
_diffrn_measurement_device       'CrystalLogic Kappa (3 circle)'
_diffrn_measurement_device_type  'Rigaku Saturn724+ (2x2 bin mode)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_monochromator  Synchrotron
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.68890
_diffrn_reflns_av_R_equivalents  0.034
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            14537
_diffrn_reflns_theta_full        25.062
_diffrn_reflns_theta_max         31.725
_diffrn_reflns_theta_min         1.740
_diffrn_source                   Synchrotron
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    11.006
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.80
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlis, (Oxford Diffraction, 2002)'
_exptl_crystal_colour            metallic_intense_purple
_exptl_crystal_density_diffrn    3.459
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.007
_exptl_crystal_size_min          0.007
_refine_diff_density_max         1.40
_refine_diff_density_min         -1.65
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   0.9365
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         3943
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0319
_refine_ls_R_factor_gt           0.0260
_refine_ls_shift/su_max          0.0015479
_refine_ls_shift/su_mean         0.0000532
_refine_ls_structure_factor_coef Fsqd
_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: 
 0.107E+04 0.162E+04 0.100E+04 405. 93.2 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0529
_refine_ls_wR_factor_gt          0.0487
_refine_ls_wR_factor_ref         0.0529
_reflns_limit_h_max              6
_reflns_limit_h_min              -6
_reflns_limit_k_max              23
_reflns_limit_k_min              0
_reflns_limit_l_max              25
_reflns_limit_l_min              0
_reflns_number_gt                3646
_reflns_number_total             3950
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   1.43
_oxford_diffrn_Wilson_scale      0.69
_oxford_refine_ls_r_factor_ref   0.0319
_oxford_refine_ls_scale          1.674(4)
_oxford_reflns_number_all        3943
_oxford_reflns_threshold_expression_ref I>-3.0\s(I)
_oxford_structure_analysis_title 008yk13
_cod_data_source_file            cg500983s_si_002.cif
_cod_data_source_block           IPy2I3I2-100K
_cod_depositor_comments
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The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

'_atom_sites_solution_primary'
value 'Other' changed to 'other' according to
/home/saulius/struct/COD-crude-data--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 2935 2014-11-11 08:27:57Z andrius 

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 

 Adding full bibliography for 4512310--4512328.cif.
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_cod_original_sg_symbol_H-M      'P 21/n '
_cod_database_code               4512318