Synthesis, Crystal and Electronic Structures of the New Zintl phases Ba3Al3Pn5 (Pn= P, As) and Ba3Ga3P5
Hua He; Chauntae Tyson; Maia Saito; Svilen Bobev; Inorganic Chemistry 52 (2013) 499–505; doi:10.1021/ic302437t

data_4331796
_publ_section_title
;
 Synthesis, Crystal and Electronic Structures of the New Zintl phases
 Ba3Al3Pn5 (Pn= P, As) and Ba3Ga3P5
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              499
_journal_page_last               505
_journal_paper_doi               10.1021/ic302437t
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'Al3 As5 Ba3'
_chemical_formula_weight         867.56
_chemical_name_systematic
; 
 ? 
;
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_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
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_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
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_cell_length_b                   14.9727(13)
_cell_length_c                   29.689(4)
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_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.07
_cell_measurement_theta_min      3.16
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_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      200(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0690
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            24276
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    22.090
_exptl_absorpt_correction_T_max  0.615
_exptl_absorpt_correction_T_min  0.291
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS (Sheldrick, 2003)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    4.499
_exptl_crystal_description       irregular
_exptl_crystal_F_000             6696
_exptl_crystal_size_max          0.062
_exptl_crystal_size_mid          0.048
_exptl_crystal_size_min          0.022
_refine_diff_density_max         0.845
_refine_diff_density_min         -0.923
_refine_diff_density_rms         0.200
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_matrix_type           full
_refine_ls_number_parameters     52
_refine_ls_number_reflns         1596
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0292
_refine_ls_R_factor_gt           0.0217
_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^)+(0.0116P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0382
_refine_ls_wR_factor_ref         0.0403
_reflns_number_gt                1381
_reflns_number_total             1596
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic302437t_si_002_3.cif
_cod_data_source_block           III
_cod_original_cell_volume        5764.0(10)
_cod_original_sg_symbol_H-M      'R -3 c'
_cod_database_code               4331796