Zero area thermal expansion of honeycomb layers via double distortion relaxation in (PPh4)[Cu2(CN)3]
Iwai, Yudai; Nakaya, Manabu; Ohtsu, Hiroyoshi; Le Ouay, Benjamin; Ohtani, Ryo; Ohba, Masaaki; CrystEngComm  (2022) –; doi:10.1039/D2CE00878E

data_7245216
_publ_section_title
;
 Zero area thermal expansion of honeycomb layers via double distortion
 relaxation in (PPh4)[Cu2(CN)3]
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00878E
_journal_year                    2022
_chemical_formula_moiety         'C3 Cu2 N3, 0.5(C48 H40 P2)'
_chemical_formula_sum            'C27 H20 Cu2 N3 P'
_chemical_formula_weight         544.545
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_Int_Tables_number      62
_audit_creation_date             2022-04-25
_audit_creation_method
;
Olex2 1.5-dev
(compiled 2022.04.21 svn.rca3783a0 for OlexSys, GUI svn.r6444)
;
_audit_update_record
;
2022-06-27 deposited with the CCDC.	2022-07-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.3252(5)
_cell_length_b                   18.9350(7)
_cell_length_c                   8.9216(3)
_cell_measurement_reflns_used    3069
_cell_measurement_temperature    250.0
_cell_measurement_theta_max      23.12
_cell_measurement_theta_min      2.52
_cell_volume                     2419.96(15)
_computing_data_collection       'APEX3 (Bruker AXS, 2019)'
_computing_molecular_graphics    'Olex2 1.5-dev (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-dev (Dolomanov et al., 2009)'
_computing_structure_refinement  'olex2.refine 1.5-dev (Bourhis et al., 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      250.00
_diffrn_measured_fraction_theta_full 1.0000
_diffrn_measured_fraction_theta_max 1.0000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0686
_diffrn_reflns_av_unetI/netI     0.0346
_diffrn_reflns_Laue_measured_fraction_full 1.0000
_diffrn_reflns_Laue_measured_fraction_max 1.0000
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            17124
_diffrn_reflns_point_group_measured_fraction_full 1.0000
_diffrn_reflns_point_group_measured_fraction_max 1.0000
_diffrn_reflns_theta_full        23.2835
_diffrn_reflns_theta_max         23.28
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    1.843
_exptl_absorpt_correction_T_max  0.7449
_exptl_absorpt_correction_T_min  0.6206
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0904 before and 0.0674 after correction.
The Ratio of minimum to maximum transmission is 0.8331.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.495
_exptl_crystal_description       block
_exptl_crystal_F_000             1107.826
_exptl_crystal_size_max          0.124
_exptl_crystal_size_mid          0.094
_exptl_crystal_size_min          0.061
_refine_diff_density_max         0.4044
_refine_diff_density_min         -0.4583
_refine_diff_density_rms         0.0875
_refine_ls_d_res_high            0.8990
_refine_ls_d_res_low             9.4675
_refine_ls_goodness_of_fit_ref   1.0801
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    50
_refine_ls_number_parameters     205
_refine_ls_number_reflns         1794
_refine_ls_number_restraints     198
_refine_ls_restrained_S_all      1.0185
_refine_ls_R_factor_all          0.0602
_refine_ls_R_factor_gt           0.0379
_refine_ls_shift/su_max          -0.0005
_refine_ls_shift/su_mean         0.0001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0392P)^2^+2.4894P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0889
_refine_ls_wR_factor_ref         0.1027
_reflns_Friedel_coverage         0.0
_reflns_limit_h_max              15
_reflns_limit_h_min              0
_reflns_limit_k_max              20
_reflns_limit_k_min              0
_reflns_limit_l_max              9
_reflns_limit_l_min              0
_reflns_number_gt                1319
_reflns_number_total             1794
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            d2ce00878e2.cif
_cod_data_source_block           pph4cu_250k
_cod_database_code               7245216
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Shared sites
{N008, C0}
{C1, N007}
{C005, N0}
3. Uiso/Uaniso restraints and constraints
Uanis(C1) = Uanis(N007)
Uanis(N008) = Uanis(C0)
Uanis(C005) = Uanis(N0)
Uanis(N007) = Uanis(C1)
4. Rigid body (RIGU) restrains
 P002, C003, C004, C006, C2, C00B, C7, C009, C00F, C00A, C8, C3, C4, C00I, C10,
  C00G, C00J, C00D, C11, C5, C6, C00C, C00H, C00E, C9
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
5. Others
 Fixed Sof: C005(0.5) N007(0.5) N008(0.5) N0(0.5) C1(0.5) C0(0.5) C2(0.5)
 C004(0.5) C00B(0.5) H00B(0.5) C7(0.5) H7(0.5) C009(0.5) H009(0.5) C00F(0.5)
 H00F(0.5) C00A(0.5) H00A(0.5) C8(0.5) H8(0.5) C3(0.5) H3(0.5) C4(0.5) H4(0.5)
 C00I(0.5) H00I(0.5) C10(0.5) H10(0.5) C00G(0.5) H00G(0.5) C00J(0.5) H00J(0.5)
 C00D(0.5) H00D(0.5) C11(0.5) H11(0.5) C5(0.5) H5(0.5) C6(0.5) H6(0.5)
 C00C(0.5) H00C(0.5) C00H(0.5) H00H(0.5) C00E(0.5) H00E(0.5) C9(0.5) H9(0.5)
6.a Aromatic/amide H refined with riding coordinates:
 C00B(H00B), C00I(H00I), C00C(H00C), C10(H10), C7(H7), C009(H009), C00G(H00G),
 C00H(H00H), C00J(H00J), C00F(H00F), C00A(H00A), C00D(H00D), C00E(H00E),
 C11(H11), C8(H8), C3(H3), C5(H5), C9(H9), C6(H6), C4(H4)
6.b Fitted hexagon refined as free rotating group:
 C003(C00B,C00I,C00C,C10,C7), C004(C009,C00G,C00H,C00J,C00F), C006(C00A,C00D,
 C00E,C11,C8), C2(C3,C5,C9,C6,C4)
;
_olex2_submission_special_instructions 'No special instructions were received'