Step by step crystal-to-crystal transformation from 1D K2Cu(C2O4)2(H2O)4(1) to 1D K2Cu(C2O4)2(H2O)2(2) and then 1D K2Cu(C2O4)2(3) by dehydration
Zhang, B.; Zhang, Y.; Zhang, J.; Yan, X.; Zhu, D.; CrystEngComm 18 (2016) 5062–; doi:10.1039/C6CE00786D

data_7226153
_publ_section_title
;
 Step by step crystal-to-crystal transformation from 1D
 K2Cu(C2O4)2(H2O)4(1) to 1D K2Cu(C2O4)2(H2O)2(2) and then 1D
 K2Cu(C2O4)2(3) by dehydration
;
_journal_issue                   27
_journal_name_full               CrystEngComm
_journal_page_first              5062
_journal_paper_doi               10.1039/C6CE00786D
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C4 Cu K2 O8'
_chemical_formula_weight         317.78
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-05-03 deposited with the CCDC.
2016-05-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.305(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.8886(11)
_cell_length_b                   6.6448(15)
_cell_length_c                   13.171(3)
_cell_measurement_reflns_used    1498
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4687
_cell_measurement_theta_min      1.5556
_cell_volume                     425.26(17)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-98 (Sheldrick, 1998)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device
;
Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       dtprofit.ref
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0472
_diffrn_reflns_av_unetI/netI     0.0361
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3644
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.468
_diffrn_reflns_theta_min         3.112
_exptl_absorpt_coefficient_mu    3.568
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7782
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    2.482
_exptl_crystal_description       block
_exptl_crystal_F_000             310
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.077
_exptl_crystal_size_min          0.071
_refine_diff_density_max         0.433
_refine_diff_density_min         -0.405
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.174
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     70
_refine_ls_number_reflns         977
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.174
_refine_ls_R_factor_all          0.0367
_refine_ls_R_factor_gt           0.0332
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0315P)^2^+0.4296P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0753
_refine_ls_wR_factor_ref         0.0768
_reflns_Friedel_coverage         0.000
_reflns_number_gt                916
_reflns_number_total             977
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce00786d2.cif
_cod_data_source_block           K2120
_cod_original_cell_volume        425.25(17)
_cod_database_code               7226153
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.674
_shelx_estimated_absorpt_t_max   0.786
_shelx_res_checksum              75239