P-O Donor Action from Carboxylate Anions with Phosphorus in the Presence of Hydrogen Bonding. A Model for Phosphoryl-Transfer Enzymes1
A. Chandrasekaran; Roberta O. Day; Robert R. Holmes; Inorganic Chemistry 41 (2002) 1645–1651; doi:10.1021/ic0111435

data_4317741
_publ_section_title
;
 P-O Donor Action from Carboxylate Anions with Phosphorus in the Presence
 of Hydrogen Bonding. A Model for Phosphoryl-Transfer Enzymes1
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1645
_journal_page_last               1651
_journal_paper_doi               10.1021/ic0111435
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C25 H24 N O6 P'
_chemical_formula_weight         465.42
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.6786(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2108(2)
_cell_length_b                   11.9386(2)
_cell_length_c                   18.8202(5)
_cell_measurement_reflns_used    3885
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      4.08
_cell_volume                     2291.73(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.944
_diffrn_measured_fraction_theta_max 0.944
_diffrn_measurement_device_type  'Nonius KappaCCD area detector'
_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  0.0169
_diffrn_reflns_av_sigmaI/netI    0.0284
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            7281
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         4.11
_exptl_absorpt_coefficient_mu    0.162
_exptl_absorpt_correction_T_max  0.9684
_exptl_absorpt_correction_T_min  0.9235
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         3828
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0454
_refine_ls_R_factor_gt           0.0364
_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^)+(0.0433P)^2^+0.7399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0893
_refine_ls_wR_factor_ref         0.0949
_reflns_number_gt                3247
_reflns_number_total             3828
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0111435_1.cif
_cod_data_source_block           acp50(1A)
_cod_database_code               4317741