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_4311388
_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 Pr'
_chemical_formula_weight         933.72
_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                 91.094(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.272(4)
_cell_length_b                   16.596(5)
_cell_length_c                   17.282(5)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.04
_cell_volume                     4093(2)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2002)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2002)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2002)'
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Mercury 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  0.0310
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            33953
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    1.250
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8368
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear; Rigaku, 2002)'
_exptl_crystal_colour            Yellow_green
_exptl_crystal_density_diffrn    1.515
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.300000
_exptl_crystal_size_mid          0.250000
_exptl_crystal_size_min          0.180000
_refine_diff_density_max         0.588
_refine_diff_density_min         -0.519
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     550
_refine_ls_number_reflns         9355
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0553
_refine_ls_R_factor_gt           0.0380
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0349P)^2^+4.3069P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0813
_refine_ls_wR_factor_ref         0.0880
_reflns_number_gt                7519
_reflns_number_total             9355
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic035470jsi20040116_112529.cif
_cod_data_source_block           14
_cod_depositor_comments
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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 
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_cod_database_code               4311388