Ligand chain length conveys thermochromism.
Ganguly, Mainak; Panigrahi, Sudipa; Chandrakumar, K. R. S.; Sasmal, Anup Kumar; Pal, Anjali; Pal, Tarasankar; Dalton transactions (Cambridge, England : 2003) 43 (2014) 11624–11636; doi:10.1039/c4dt00769g

data_7031205
_publ_section_title
;
 Ligand chain length conveys thermochromism.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11624
_journal_page_last               11636
_journal_paper_doi               10.1039/c4dt00769g
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         C32
_chemical_formula_sum            'C32 H70 Cu N2 O5'
_chemical_formula_weight         626.44
_chemical_melting_point          88
_chemical_name_common            Diacetatobis(tetradecylamine)copper(II)
_chemical_name_systematic
; 
 ? 
;
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 94.815(9)
_cell_angle_gamma                99.624(9)
_cell_formula_units_Z            2
_cell_length_a                   8.519(2)
_cell_length_b                   9.763(3)
_cell_length_c                   22.676(6)
_cell_measurement_temperature    293(2)
_cell_volume                     1846.4(9)
_computing_cell_refinement       'Apex 2, Bruker Kappa'
_computing_data_collection       'Apex 2, Bruker Kappa'
_computing_data_reduction        'Apex 2, Bruker Kappa'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_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  0.0645
_diffrn_reflns_av_sigmaI/netI    0.0771
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
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_exptl_absorpt_correction_T_min  0.992
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            light
_exptl_crystal_density_diffrn    1.127
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             690
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
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_refine_diff_density_min         -0.406
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1422
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_reflns_number_gt                4558
_reflns_number_total             7248
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt00769g2.cif
_cod_data_source_block           kb
_cod_depositor_comments          'Adding full bibliography for 7031205.cif.'
_cod_original_cell_volume        1846.2(8)
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