A new synthesis of InAs quantum dots from [tBu2AsInEt2]2
Malik, Mohammad Azad; O'Brien, Paul; Helliwell, M.; Journal of Materials Chemistry 15 (2005) 1463–; doi:10.1039/b416944a

data_7203697
_publ_section_title
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 A new synthesis of InAs quantum dots from [tBu2AsInEt2]2
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_journal_issue                   14
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              1463
_journal_paper_doi               10.1039/b416944a
_journal_volume                  15
_journal_year                    2005
_chemical_formula_sum            'C24 H56 As2 In2'
_chemical_formula_weight         724.17
_chemical_name_systematic
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?
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_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 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                 91.171(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.8461(16)
_cell_length_b                   11.626(2)
_cell_length_c                   14.915(3)
_cell_measurement_reflns_used    3669
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.43
_cell_measurement_theta_min      2.22
_cell_volume                     1533.6(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      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0364
_diffrn_reflns_av_sigmaI/netI    0.0420
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8476
_diffrn_reflns_theta_full        26.47
_diffrn_reflns_theta_max         26.47
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    3.653
_exptl_absorpt_correction_T_max  0.5286
_exptl_absorpt_correction_T_min  0.4620
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.568
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.091
_refine_diff_density_min         -0.998
_refine_diff_density_rms         0.146
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         3150
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0449
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0404P)^2^+5.5195P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1022
_refine_ls_wR_factor_ref         0.1057
_reflns_number_gt                2739
_reflns_number_total             3150
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b416944a.txt
_cod_data_source_block           h:\s1830\work\s1830abs
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      P2/n
_cod_database_code               7203697