Structure transformations in nickel oxalate dihydrate NiC2O4·2H2O and nickel formate dihydrate Ni(HCO2)2·2H2O during thermal decomposition
Puzan, Anna N.; Baumer, Vyacheslav N.; Lisovytskiy, Dmytro V.; Mateychenko, Pavel V.; Journal of Solid State Chemistry 266 (2018) 133–142; doi:10.1016/j.jssc.2018.07.005

data_1560788
_publ_section_title
;
 Structure transformations in nickel oxalate dihydrate NiC2O4&#x00B7;2H2O
 and nickel formate dihydrate Ni(HCO2)2&#x00B7;2H2O during thermal
 decomposition
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              133
_journal_page_last               142
_journal_paper_doi               10.1016/j.jssc.2018.07.005
_journal_volume                  266
_journal_year                    2018
_chemical_formula_moiety         'C2 Ni1 O4'
_chemical_formula_structural     'Ni1 C2 O4'
_chemical_formula_sum            'C2 Ni O4'
_chemical_formula_weight         146.71
_chemical_name_common            'nickel oxalate'
_chemical_name_systematic
; 
catena-((\m~6~-oxalato)-(\m~4~-oxalato)-di-nickel)
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90.00000
_cell_angle_beta                 117.793(12)
_cell_angle_gamma                90.00000
_cell_formula_units_Z            4
_cell_length_a                   5.8294(9)
_cell_length_b                   5.1685(13)
_cell_length_c                   5.2712(4)
_cell_measurement_temperature    295
_cell_volume                     140.50(5)
_computing_cell_refinement       'PowderX (Dong, 1999)'
_computing_data_collection       'Traces v.6 (GBC Diffraction Ltd)'
_computing_data_reduction        'FullProf (Rodriguez-Carvajal, 2010).'
_computing_molecular_graphics    'Macrae et al., 2006; Momma & Izumi, 2011'
_computing_publication_material  'FullProf (Rodriguez-Carvajal, 2010).'
_computing_structure_refinement  'FullProf (Rodriguez-Carvajal, 2010).'
_computing_structure_solution    'Favre-Nicolin & \<Cern\`y, 2002)'
_diffrn_ambient_temperature      293
_diffrn_detector                 scintillation
_diffrn_measurement_device_type  'Siemens D500'
_diffrn_measurement_method       \q-2\q
_diffrn_radiation_monochromator  Graphite
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_target            Cu
_exptl_crystal_density_diffrn    6.205
_exptl_crystal_density_method    'not measured'
_pd_char_colour                  'light green'
_pd_char_particle_morphology     plate-like
_pd_instr_location
; 

60 Nauky ave., Kharkiv 61001, Ukraine

;
_pd_meas_2theta_range_inc        0.020000
_pd_meas_2theta_range_max        90.06000
_pd_meas_2theta_range_min        5.06000
_pd_meas_number_of_points        4251
_pd_meas_scan_method             step
_pd_prep_pressure                101.3
_pd_prep_temperature             293
_pd_proc_2theta_range_inc        0.020000
_pd_proc_2theta_range_max        90.0688
_pd_proc_2theta_range_min        5.0688
_pd_proc_ls_background_function  'Chebyshev polynomial'
_pd_proc_ls_pref_orient_corr
; 

Modified March-Dollase function (Dollase, W.A. J Appl. Cryst. (1986), 19, 267

;
_pd_proc_ls_profile_function     pseudo-Voigt
_pd_proc_ls_prof_R_factor        0.0244
_pd_proc_ls_prof_wR_expected     0.0226
_pd_proc_ls_prof_wR_factor       0.0319
_pd_proc_wavelength              1.540600
_pd_spec_mounting                ' packed powder pellet '
_pd_spec_mount_mode              reflection
_pd_spec_shape                   flat_sheet
_pd_spec_size_axial              20
_pd_spec_size_equat              10
_pd_spec_size_thick              1
_refine_ls_extinction_method     none
_refine_ls_hydrogen_treatment    .
_refine_ls_matrix_type           full
_refine_ls_number_parameters     23
_refine_ls_number_reflns         312
_refine_ls_number_restraints     12
_refine_ls_R_I_factor            0.0083
_refine_ls_structure_factor_coef Inet
_refine_ls_weighting_details     1/[\s(Y~i~)^2^]
_refine_ls_weighting_scheme      sigma
_cod_data_source_file            JSSC-2018-266-133.cif
_cod_data_source_block           2
_cod_original_cell_volume        140.49(4)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_original_formula_sum        'C2 Ni1 O4'
_cod_database_code               1560788