(1<i>RS</i>,3a<i>SR</i>)-1-(chloromethyl)-1λ^5^-phospha-2,6a-diazaperhydropentalene 1-oxide dihydrate
Chen, Dimei; Zhong, Ping; Ding, Jinchang; Yuan, Chengye; Acta Crystallographica Section E 60 (2004) o237–o238; doi:10.1107/S1600536803025546

data_2203136
_publ_section_title
;(1<i>RS</i>,3a<i>SR</i>)-1-(chloromethyl)-1\l^5^-phospha-2,6a-diazaperhydropentalene
 1-oxide dihydrate
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o237
_journal_page_last               o238
_journal_paper_doi               10.1107/S1600536803025546
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C12 H16 Cl N2 O P, 2H2 O'
_chemical_formula_moiety         'C12 H16 Cl N2 O P, 2H2 O'
_chemical_formula_sum            'C12 H20 Cl N2 O3 P'
_chemical_formula_weight         306.72
_chemical_name_common            '(2R*,5S*)-Bicyclic chloromethyl phosphonamide'
_chemical_name_systematic
;(1R*,3aS*)-1-(chloromethyl)-1\l^5^-phospha-2,6a-diazaperhydropentalene
 1-oxide
dihydrate
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.8756(4)
_cell_length_b                   8.9390(3)
_cell_length_c                   31.2270(10)
_cell_measurement_reflns_used    486
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      21.98
_cell_measurement_theta_min      2.37
_cell_volume                     3035.79(18)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0257
_diffrn_reflns_av_sigmaI/netI    0.0222
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            15965
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.362
_exptl_absorpt_correction_T_max  0.9181
_exptl_absorpt_correction_T_min  0.8867
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.328
_refine_diff_density_min         -0.277
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         2976
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0530
_refine_ls_R_factor_gt           0.0438
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc  w= 1/[\s^2^(Fo^2^)+(0.0646P)^2^+1.4344P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1215
_refine_ls_wR_factor_ref         0.1283
_reflns_number_gt                2444
_reflns_number_total             2976
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ac6070.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_Hall     '-P 2ac 2ab '
_cod_database_code               2203136
_cod_database_fobs_code          2203136