Pseudopolymorphism leading and two different supramolecular aggregations in a phosphate monoester: role of a rare water-dimer
Kalita, Alok Ch.; Sharma, Kamna; Murugavel, Ramaswamy; CrystEngComm 16 (2014) 51–; doi:10.1039/c3ce40912k

data_7214104
_publ_section_title
;
 Pseudopolymorphism leading and two different supramolecular aggregations
 in a phosphate monoester: role of a rare water-dimer
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              51
_journal_paper_doi               10.1039/c3ce40912k
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C12 H20.66667 N O4.33333 P'
_chemical_formula_weight         279.27
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 90.311(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            24
_cell_length_a                   19.394(16)
_cell_length_b                   35.68(3)
_cell_length_c                   15.180(11)
_cell_measurement_reflns_used    8575
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      3.2
_cell_volume                     10504(15)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_publication_material  'CrystalStructure 4.0'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1985)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Saturn724+'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0748
_diffrn_reflns_av_sigmaI/netI    0.0725
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       41
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            38532
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.20
_exptl_absorpt_coefficient_mu    0.165
_exptl_absorpt_correction_T_max  0.9886
_exptl_absorpt_correction_T_min  0.9491
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.060
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             3584
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.739
_refine_diff_density_min         -0.894
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.241
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     496
_refine_ls_number_reflns         9210
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.241
_refine_ls_R_factor_all          0.1435
_refine_ls_R_factor_gt           0.1331
_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^)+(0.0833P)^2^+85.6570P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2882
_refine_ls_wR_factor_ref         0.2947
_reflns_number_gt                8390
_reflns_number_total             9210
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40912k.txt
_cod_data_source_block           1c_shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7214104