Electrocatalytic hydrogen evolution with gallium hydride and ligand-centered reduction
Wang, Ni; Lei, Haitao; Zhang, Zongyao; Li, Jianfeng; Zhang, Wei; Cao, Rui; Chemical Science  (2019) –; doi:10.1039/C8SC05247F

data_1550468
_publ_section_title
;
 Electrocatalytic hydrogen evolution with gallium hydride and
 ligand-centered reduction
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C8SC05247F
_journal_year                    2019
_chemical_formula_sum            'C44 H8 F20 Ga N4 O2'
_chemical_formula_weight         1074.26
_chemical_name_systematic
; 
 ? 
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-07-11 deposited with the CCDC.
2018-12-26 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.056(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.0662(18)
_cell_length_b                   5.6070(8)
_cell_length_c                   26.055(3)
_cell_measurement_reflns_used    9836
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      68.49
_cell_measurement_theta_min      3.41
_cell_volume                     2046.9(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0474
_diffrn_reflns_av_sigmaI/netI    0.0250
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            26358
_diffrn_reflns_theta_full        68.49
_diffrn_reflns_theta_max         68.49
_diffrn_reflns_theta_min         3.41
_exptl_absorpt_coefficient_mu    2.190
_exptl_absorpt_correction_T_max  0.8108
_exptl_absorpt_correction_T_min  0.5596
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1054
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.620
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     322
_refine_ls_number_reflns         3752
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0342
_refine_ls_R_factor_gt           0.0303
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0503P)^2^+0.7591P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0852
_refine_ls_wR_factor_ref         0.0879
_reflns_number_gt                3346
_reflns_number_total             3752
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8sc05247f2.cif
_cod_data_source_block           wn1a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        2047.0(5)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1550468