C36H81N3O12P3Pr
Platt, Andrew; Horton, Peter N.; Hursthouse, Michael B.; Crystal Structure Report Archive  (2009) 1240–; doi:

data_1520334
_publ_section_title
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 C36H81N3O12P3Pr
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              1240
_journal_year                    2009
_chemical_formula_sum            'C36 H81 N3 O12 P3 Pr'
_chemical_formula_weight         981.86
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.3481(9)
_cell_length_b                   14.4845(9)
_cell_length_c                   23.9651(15)
_cell_measurement_reflns_used    5366
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.910
_cell_volume                     4980.5(5)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'ORTEP3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type
'Bruker-Nonius Roper CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0562
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            24066
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    1.128
_exptl_absorpt_correction_T_max  0.7430
_exptl_absorpt_correction_T_min  0.5231
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.309
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Cut Block'
_exptl_crystal_F_000             2072
_exptl_crystal_size_max          0.66
_exptl_crystal_size_mid          0.47
_exptl_crystal_size_min          0.28
_refine_diff_density_max         1.570
_refine_diff_density_min         -3.606
_refine_diff_density_rms         0.179
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.14(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.280
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     636
_refine_ls_number_reflns         11189
_refine_ls_number_restraints     492
_refine_ls_restrained_S_all      1.275
_refine_ls_R_factor_all          0.0789
_refine_ls_R_factor_gt           0.0781
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+59.9936P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1908
_refine_ls_wR_factor_ref         0.1911
_reflns_number_gt                11059
_reflns_number_total             11189
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-1240.cif
_cod_data_source_block           2009src1088
_cod_depositor_comments
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Citation :
Platt, Andrew and Horton, Peter N. and Hursthouse, Michael B. (2009) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/1240)

More at:
http://ecrystals.chem.soton.ac.uk/1240/
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_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1520334