Low-Valent Chemistry: An Alternative Approach to Phosphorus-Containing Oligomers.
Kosnik, Stephanie C.; Farrar, Gregory J.; Norton, Erin L.; Cooper, Benjamin F. T.; Ellis, Bobby D.; Macdonald, Charles L. B.; Inorganic chemistry  (2014) 141201074418004–; doi:10.1021/ic502229w

data_4341820
_publ_section_title
;
 Low-Valent Chemistry: An Alternative Approach to Phosphorus-Containing
 Oligomers.
;
_journal_name_full               'Inorganic chemistry'
_journal_page_first              141201074418004
_journal_paper_doi               10.1021/ic502229w
_journal_year                    2014
_chemical_formula_moiety         'C58 H46 P6'
_chemical_formula_sum            'C58 H46 P6'
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_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_reflns         5142
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.210
_refine_ls_R_factor_all          0.0749
_refine_ls_R_factor_gt           0.0565
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0721P)^2^+0.8904P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1433
_refine_ls_wR_factor_ref         0.1764
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_reflns_number_gt                4227
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_reflns_threshold_expression     'I > 2\s(I)'
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