Targeting large phosp(III)azane macrocyles [{P(mu-NR)}(2)(LL)](n) (n> or = 2).
Dodds, Fay; García, Felipe; Kowenicki, Richard A.; Parsons, Simon P.; McPartlin, Mary; Wright, Dominic S.; Dalton transactions (Cambridge, England : 2003)  (2006) 4235–4243; doi:10.1039/b607332h

data_7007563
_publ_section_title
;
 Targeting large phosp(III)azane macrocyles [{P(mu-NR)}(2)(LL)](n)
 (n&gt; or = 2).
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4235
_journal_page_last               4243
_journal_paper_doi               10.1039/b607332h
_journal_year                    2006
_chemical_formula_sum            'C12 H22 Cl2 N2 P2'
_chemical_formula_weight         327.16
_chemical_name_systematic
;
?
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 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                 91.74(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.707(3)
_cell_length_b                   5.4813(11)
_cell_length_c                   21.039(4)
_cell_measurement_reflns_used    10675
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.02
_cell_volume                     1580.0(6)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction
;
HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_publication_material  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al. 1994)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'Thin slice \w and \f 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  0.0543
_diffrn_reflns_av_sigmaI/netI    0.0570
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            5658
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.60
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.599
_exptl_absorpt_correction_T_max  0.971
_exptl_absorpt_correction_T_min  0.898
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.496
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     114
_refine_ls_number_reflns         1545
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0787
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0544P)^2^+3.1127P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1234
_refine_ls_wR_factor_ref         0.1349
_reflns_number_gt                1152
_reflns_number_total             1545
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b607332h.txt
_cod_data_source_block           604
_cod_original_cell_volume        1580.0(5)
_cod_original_sg_symbol_H-M      C2/m
_cod_database_code               7007563