Above-room-temperature ferroelastic phase transition in a perovskite-like compound [N(CH3)4][Cd(N3)3]
Zi-Yi Du; Ying-Ping Zhao; Wei-Xiong Zhang; Hao-Long Zhou; Chun-Ting He; Wei Xue; Bao-Ying Wang; Xiao-Ming Chen; Chem.Commun. 50 (2014) 1989–; doi:10.1039/c3cc48581a

data_7111946
_publ_section_title
;
 Above-room-temperature ferroelastic phase transition in a perovskite-like
 compound [N(CH3)4][Cd(N3)3]
;
_journal_name_full               Chem.Commun.
_journal_page_first              1989
_journal_paper_doi               10.1039/c3cc48581a
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C4 H12 Cd N10'
_chemical_formula_weight         312.64
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
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_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                 125.56(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.692(4)
_cell_length_b                   8.8335(6)
_cell_length_c                   9.529(6)
_cell_measurement_temperature    220(2)
_cell_volume                     1074.5(11)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
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_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      220(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0262
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4238
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.80
_exptl_absorpt_coefficient_mu    2.021
_exptl_absorpt_correction_T_max  0.8883
_exptl_absorpt_correction_T_min  0.7124
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
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_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.933
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.0113(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     72
_refine_ls_number_reflns         1168
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0239
_refine_ls_R_factor_gt           0.0184
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0100P)^2^+0.5044P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0365
_refine_ls_wR_factor_ref         0.0382
_reflns_number_gt                1005
_reflns_number_total             1168
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc48581a.txt
_cod_data_source_block           1-220K
_cod_original_cell_volume        1074.5(7)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7111946