Two Series of Novel Rare Earth Complexes with Dicyanamide [Ln(dca)2(phen)2(H2O)3][dca].(phen), (Ln = Pr, Gd, and Sm) and [Ln(dca)3(2,2'-bipy)2(H2O)]n, (Ln = Gd, Sm, and La): Syntheses, Crystal Structures, and Magnetic Properties
A-Qing Wu; Fa-Kun Zheng; Wen-Tong Chen; Li-Zhen Cai; Guo-Cong Guo; Jin-Shun Huang; Zhen-Chao Dong; Yoshihiko Takano; Inorganic Chemistry 43 (2004) 4839–4845; doi:10.1021/ic035470j

data_4311390
_publ_section_title
;
 Two Series of Novel Rare Earth Complexes with Dicyanamide
 [Ln(dca)2(phen)2(H2O)3][dca].(phen), (Ln = Pr, Gd, and Sm) and
 [Ln(dca)3(2,2'-bipy)2(H2O)]n, (Ln = Gd, Sm, and La): Syntheses, Crystal
 Structures, and Magnetic Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4839
_journal_page_last               4845
_journal_paper_doi               10.1021/ic035470j
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C42 H30 N15 O3 Sm'
_chemical_formula_weight         943.16
_chemical_name_systematic
; 
 ? 
;
_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                 91.2110(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.20730(10)
_cell_length_b                   16.6396(3)
_cell_length_c                   17.2861(4)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      1.84
_cell_volume                     4085.59(12)
_computing_cell_refinement       'Siemens SMART & SAINT'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens SAINT'
_computing_molecular_graphics    'Siemens SHELXTL^TM^ 5'
_computing_publication_material  'Siemens SHELXTL^TM^ 5'
_computing_structure_refinement  'Siemens SHELXTL^TM^ 5'
_computing_structure_solution    'Siemens SHELXTL^TM^ 5'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Siemens SMART CCD'
_diffrn_measurement_method       \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  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0646
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12027
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    1.497
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.784189
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Siemens Smart CCD)'
_exptl_crystal_colour            pale_yellow
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1892
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.412
_refine_diff_density_min         -0.988
_refine_diff_density_rms         0.136
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     550
_refine_ls_number_reflns         7143
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.1152
_refine_ls_R_factor_gt           0.0668
_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^)+(0.0826P)^2^+20.2294P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1552
_refine_ls_wR_factor_ref         0.1891
_reflns_number_gt                4577
_reflns_number_total             7143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic035470jsi20040116_112638.cif
_cod_data_source_block           14
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 
;
_cod_database_code               4311390