Greener solid-state synthesis: stereo-selective [2 + 2] photodimerization of vitamin K3controlled by halogen bonding
Zhu, Bingqing; Wang, Jian-Rong; Zhang, Qi; Mei, Xuefeng; CrystEngComm 18 (2016) 6327–; doi:10.1039/C6CE01236A

data_7225839
_publ_section_title
;
 Greener solid-state synthesis: stereo-selective [2 + 2] photodimerization
 of vitamin K3controlled by halogen bonding
;
_journal_issue                   34
_journal_name_full               CrystEngComm
_journal_page_first              6327
_journal_paper_doi               10.1039/C6CE01236A
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         '2(Br C3 F2), C11 H8 O2'
_chemical_formula_sum            'C17 H8 Br2 F4 O2'
_chemical_formula_weight         480.05
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-01-28
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-03-29 deposited with the CCDC.
2016-07-06 downloaded from the CCDC.
;
_cell_angle_alpha                93.626(3)
_cell_angle_beta                 96.888(3)
_cell_angle_gamma                93.357(4)
_cell_formula_units_Z            2
_cell_length_a                   3.8981(3)
_cell_length_b                   13.3018(10)
_cell_length_c                   15.2307(11)
_cell_measurement_reflns_used    8377
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.54
_cell_measurement_theta_min      2.70
_cell_volume                     780.72(10)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_unetI/netI     0.0247
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12713
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.558
_diffrn_reflns_theta_min         1.537
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.244
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.3928
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.1183 before and 0.0410 after correction.
The Ratio of minimum to maximum transmission is 0.5268.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'yellowish yellow'
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    2.042
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.504
_refine_diff_density_min         -0.521
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3519
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0250
_refine_ls_R_factor_gt           0.0209
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0257P)^2^+0.4292P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0511
_refine_ls_wR_factor_ref         0.0529
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3170
_reflns_number_total             3519
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce01236a2.cif
_cod_data_source_block           2015565
_cod_depositor_comments
'Adding full bibliography for 7225839--7225840.cif.'
_cod_database_code               7225839
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C6(H6), C8(H8), C7(H7), C5(H5), C3(H3)
2.b Idealised Me refined as rotating group:
 C11(H11a,H11b,H11c)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'