Molecular Precursors for CdS Nanoparticles: Synthesis and Characterization of Carboxylate−Thiourea or −Thiosemicarbazide Cadmium Complexes and Their Decomposition
Mandal, Trinanjana; Stavila, Vitalie; Rusakova, Irene; Ghosh, Saunab; Whitmire, Kenton H.; Chemistry of Materials 21 (2009) 5617–; doi:10.1021/cm902230u

data_4001070
_publ_section_title
;
 Molecular Precursors for CdS Nanoparticles: Synthesis and
 Characterization of Carboxylate&#x2212;Thiourea or
 &#x2212;Thiosemicarbazide Cadmium Complexes and Their Decomposition
;
_journal_issue                   23
_journal_name_full               'Chemistry of Materials'
_journal_page_first              5617
_journal_paper_doi               10.1021/cm902230u
_journal_volume                  21
_journal_year                    2009
_chemical_formula_sum            'C9 H19 Cd N7 O7 S2'
_chemical_formula_weight         513.84
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.2530(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3152(6)
_cell_length_b                   11.1894(7)
_cell_length_c                   17.3774(10)
_cell_measurement_temperature    273(2)
_cell_volume                     1806.28(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_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  0.0610
_diffrn_reflns_av_sigmaI/netI    0.1089
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            21800
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    1.489
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.769
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.889
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.546
_refine_diff_density_min         -0.523
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.633
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         4403
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      0.632
_refine_ls_R_factor_all          0.0524
_refine_ls_R_factor_gt           0.0267
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0206P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0552
_refine_ls_wR_factor_ref         0.0583
_reflns_number_gt                2469
_reflns_number_total             4403
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm902230u_si_002.cif
_cod_data_source_block           Compound3b
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C7.20 H15.20 Cd0.80 N5.60 O5.60 S1.60'
_cod_database_code               4001070