Ethyl 5,5''-dimethyl-2,2';6',2''-terpyridine-4'-carboxylate
Guido Kickelbick; Richard Hoogenboom; Ulrich S. Schubert; Acta Crystallographica Section E 61 (2005) o4322–o4324; doi:10.1107/S1600536805038547

data_2207633
_publ_section_title
;
 Ethyl 5,5''-dimethyl-2,2';6',2''-terpyridine-4'-carboxylate
;
_journal_coeditor_code           RZ6145
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4322
_journal_page_last               o4324
_journal_paper_doi               10.1107/S1600536805038547
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C20 H19 N3 O2'
_chemical_formula_moiety         'C20 H19 N3 O2'
_chemical_formula_sum            'C20 H19 N3 O2'
_chemical_formula_weight         333.38
_chemical_name_systematic
;
Ethyl 5,5''-dimethyl-2,2';6',2''terpyridine-4'-carboxylate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 97.9750(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0892(5)
_cell_length_b                   11.8780(6)
_cell_length_c                   15.8131(8)
_cell_measurement_reflns_used    5732
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      56.528
_cell_measurement_theta_min      4.897
_cell_volume                     1690.70(15)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1998)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'Bruker SMART CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0281
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11535
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9779
_exptl_absorpt_correction_T_min  0.9532
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.41
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.326
_refine_diff_density_min         -0.369
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         4169
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0558
_refine_ls_R_factor_gt           0.0486
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0991P)^2^+0.1562P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1422
_refine_ls_wR_factor_ref         0.1489
_reflns_number_gt                3408
_reflns_number_total             4169
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rz6145.cif
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (5
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (7
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (5 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (5
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (7
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (5 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2207633
_cod_database_fobs_code          2207633