#------------------------------------------------------------------------------
#$Date: 2025-08-21 22:04:39 +0200 (Thu 21 de Aug de 2025) $
#$Revision: 301851 $
#$URL: svn://www.crystallography.net/cod/cif/7/05/29/7052957.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7052957
loop_
_publ_author_name
'Sathesh, Venkatesan'
'Umamahesh, Balijapalli'
'Ramachandran, Gunasekar'
'Rathore, Ravindranath S.'
'Sathiyanarayanan, Kulathu Iyer'
_publ_section_title
;
 Direct anti and regio-specific aldol reactions of cyclododecanone
 catalyzed by alkali metal hydroxides: implications for supramolecular
 helical design
;
_journal_issue                   11
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              2292
_journal_paper_doi               10.1039/c2nj40499k
_journal_volume                  36
_journal_year                    2012
_chemical_formula_moiety         'C21 H32 O2'
_chemical_formula_sum            'C21 H32 O2'
_chemical_formula_weight         316.47
_chemical_name_common
2-((4-ethylphenyl)(hydroxy)methyl)cyclododecanone
_chemical_name_systematic
;
2-[(4-ethylphenyl)(hydroxy)methyl]cyclododecanone
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 100.94(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.665(14)
_cell_length_b                   5.8290(18)
_cell_length_c                   25.713(9)
_cell_measurement_reflns_used    1827
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      29.1484
_cell_measurement_theta_min      2.6473
_cell_volume                     1864(2)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
;
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
'SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      294(2)
_diffrn_detector_area_resol_mean 15.9821
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur Eos Gemini'
_diffrn_measurement_method       'ω scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0586
_diffrn_reflns_av_sigmaI/netI    0.0664
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            7045
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.23
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.36989
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis Pro; Oxford Diffraction, 2010)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.128
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         3659
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.1003
_refine_ls_R_factor_gt           0.0676
_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/[σ²(Fo²)+(0.0984P)²+0.1388P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1733
_refine_ls_wR_factor_ref         0.2113
_reflns_number_gt                2320
_reflns_number_total             3659
_reflns_threshold_expression     >2σ(I)
_cod_data_source_file            c2nj40499k.txt
_cod_data_source_block           4j
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7052957
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y+1/2, z+1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
C1 C 0.32845(17) 0.5294(4) 0.18377(8) 0.0463(5) Uani 1 1 d .
C2 C 0.29933(17) 0.4617(4) 0.23631(8) 0.0433(5) Uani 1 1 d .
H2 H 0.3201 0.3008 0.2427 0.052 Uiso 1 1 calc R
C3 C 0.17945(18) 0.4764(4) 0.23497(8) 0.0515(6) Uani 1 1 d .
H3A H 0.1557 0.6317 0.2255 0.062 Uiso 1 1 calc R
H3B H 0.1662 0.4464 0.2703 0.062 Uiso 1 1 calc R
C4 C 0.1124(2) 0.3115(4) 0.19658(9) 0.0567(6) Uani 1 1 d .
H4A H 0.1241 0.1570 0.2105 0.068 Uiso 1 1 calc R
H4B H 0.1374 0.3165 0.1632 0.068 Uiso 1 1 calc R
C5 C -0.0072(2) 0.3618(5) 0.18621(11) 0.0736(8) Uani 1 1 d .
H5A H -0.0455 0.2274 0.1703 0.088 Uiso 1 1 calc R
H5B H -0.0292 0.3887 0.2198 0.088 Uiso 1 1 calc R
C6 C -0.0403(2) 0.5657(5) 0.15059(11) 0.0752(8) Uani 1 1 d .
H6A H 0.0056 0.6944 0.1637 0.090 Uiso 1 1 calc R
H6B H -0.1134 0.6073 0.1529 0.090 Uiso 1 1 calc R
C7 C -0.0347(2) 0.5273(5) 0.09227(10) 0.0752(8) Uani 1 1 d .
H7A H 0.0225 0.4187 0.0905 0.090 Uiso 1 1 calc R
H7B H -0.1016 0.4576 0.0748 0.090 Uiso 1 1 calc R
C8 C -0.0154(2) 0.7409(5) 0.06164(11) 0.0797(9) Uani 1 1 d .
H8A H -0.0216 0.7003 0.0246 0.096 Uiso 1 1 calc R
H8B H -0.0716 0.8513 0.0641 0.096 Uiso 1 1 calc R
C9 C 0.0924(2) 0.8540(5) 0.08040(11) 0.0722(8) Uani 1 1 d .
H9A H 0.0939 0.9965 0.0611 0.087 Uiso 1 1 calc R
H9B H 0.0986 0.8925 0.1176 0.087 Uiso 1 1 calc R
C10 C 0.1891(2) 0.7130(5) 0.07411(9) 0.0636(7) Uani 1 1 d .
H10A H 0.1934 0.7077 0.0369 0.076 Uiso 1 1 calc R
H10B H 0.1790 0.5572 0.0855 0.076 Uiso 1 1 calc R
C11 C 0.2942(2) 0.8039(5) 0.10507(9) 0.0641(7) Uani 1 1 d .
H11A H 0.2990 0.9664 0.0977 0.077 Uiso 1 1 calc R
H11B H 0.3530 0.7278 0.0927 0.077 Uiso 1 1 calc R
C12 C 0.3085(2) 0.7710(4) 0.16475(8) 0.0549(6) Uani 1 1 d .
H12A H 0.3684 0.8651 0.1818 0.066 Uiso 1 1 calc R
H12B H 0.2445 0.8269 0.1762 0.066 Uiso 1 1 calc R
C13 C 0.36535(16) 0.6022(4) 0.28140(8) 0.0448(5) Uani 1 1 d .
H13 H 0.3401 0.7614 0.2783 0.054 Uiso 1 1 calc R
C14 C 0.35471(16) 0.5119(4) 0.33516(7) 0.0412(5) Uani 1 1 d .
C15 C 0.30003(18) 0.6327(4) 0.36781(8) 0.0528(6) Uani 1 1 d .
H15 H 0.2701 0.7746 0.3570 0.063 Uiso 1 1 calc R
C16 C 0.2890(2) 0.5440(5) 0.41729(9) 0.0614(7) Uani 1 1 d .
H16 H 0.2523 0.6292 0.4387 0.074 Uiso 1 1 calc R
C17 C 0.33078(19) 0.3365(5) 0.43463(9) 0.0607(7) Uani 1 1 d .
C18 C 0.3859(2) 0.2172(4) 0.40172(9) 0.0597(7) Uani 1 1 d .
H18 H 0.4163 0.0760 0.4128 0.072 Uiso 1 1 calc R
C19 C 0.39719(18) 0.3017(4) 0.35281(8) 0.0512(6) Uani 1 1 d .
H19 H 0.4339 0.2156 0.3315 0.061 Uiso 1 1 calc R
C20 C 0.3219(3) 0.2402(6) 0.48854(10) 0.0841(9) Uani 1 1 d .
H20A H 0.2630 0.3163 0.5008 0.101 Uiso 1 1 calc R
H20B H 0.3044 0.0784 0.4847 0.101 Uiso 1 1 calc R
C21 C 0.4202(2) 0.2669(6) 0.52907(10) 0.0839(10) Uani 1 1 d .
H21A H 0.4800 0.2006 0.5165 0.126 Uiso 1 1 calc R
H21B H 0.4110 0.1905 0.5610 0.126 Uiso 1 1 calc R
H21C H 0.4336 0.4270 0.5362 0.126 Uiso 1 1 calc R
O1 O 0.37152(15) 0.3934(3) 0.15929(6) 0.0702(6) Uani 1 1 d .
O2 O 0.47300(13) 0.5963(3) 0.27406(7) 0.0611(5) Uani 1 1 d .
H2O H 0.510(4) 0.707(7) 0.2945(19) 0.19(2) Uiso 1 1 d .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
O1 C1 C12 120.9(2)
O1 C1 C2 120.3(2)
C12 C1 C2 118.75(19)
C3 C2 C1 112.14(18)
C3 C2 C13 112.83(17)
C1 C2 C13 110.18(17)
C3 C2 H2 107.1
C1 C2 H2 107.1
C13 C2 H2 107.1
C2 C3 C4 114.44(19)
C2 C3 H3A 108.7
C4 C3 H3A 108.7
C2 C3 H3B 108.7
C4 C3 H3B 108.7
H3A C3 H3B 107.6
C3 C4 C5 114.1(2)
C3 C4 H4A 108.7
C5 C4 H4A 108.7
C3 C4 H4B 108.7
C5 C4 H4B 108.7
H4A C4 H4B 107.6
C6 C5 C4 114.3(2)
C6 C5 H5A 108.7
C4 C5 H5A 108.7
C6 C5 H5B 108.7
C4 C5 H5B 108.7
H5A C5 H5B 107.6
C5 C6 C7 114.8(2)
C5 C6 H6A 108.6
C7 C6 H6A 108.6
C5 C6 H6B 108.6
C7 C6 H6B 108.6
H6A C6 H6B 107.5
C8 C7 C6 115.5(2)
C8 C7 H7A 108.4
C6 C7 H7A 108.4
C8 C7 H7B 108.4
C6 C7 H7B 108.4
H7A C7 H7B 107.5
C9 C8 C7 114.6(2)
C9 C8 H8A 108.6
C7 C8 H8A 108.6
C9 C8 H8B 108.6
C7 C8 H8B 108.6
H8A C8 H8B 107.6
C10 C9 C8 115.5(2)
C10 C9 H9A 108.4
C8 C9 H9A 108.4
C10 C9 H9B 108.4
C8 C9 H9B 108.4
H9A C9 H9B 107.5
C9 C10 C11 113.9(2)
C9 C10 H10A 108.8
C11 C10 H10A 108.8
C9 C10 H10B 108.8
C11 C10 H10B 108.8
H10A C10 H10B 107.7
C10 C11 C12 114.3(2)
C10 C11 H11A 108.7
C12 C11 H11A 108.7
C10 C11 H11B 108.7
C12 C11 H11B 108.7
H11A C11 H11B 107.6
C1 C12 C11 115.4(2)
C1 C12 H12A 108.4
C11 C12 H12A 108.4
C1 C12 H12B 108.4
C11 C12 H12B 108.4
H12A C12 H12B 107.5
O2 C13 C14 111.74(17)
O2 C13 C2 106.74(17)
C14 C13 C2 112.11(17)
O2 C13 H13 108.7
C14 C13 H13 108.7
C2 C13 H13 108.7
C15 C14 C19 117.6(2)
C15 C14 C13 121.5(2)
C19 C14 C13 120.92(19)
C14 C15 C16 120.7(2)
C14 C15 H15 119.6
C16 C15 H15 119.6
C17 C16 C15 121.7(2)
C17 C16 H16 119.2
C15 C16 H16 119.2
C16 C17 C18 117.2(2)
C16 C17 C20 122.4(3)
C18 C17 C20 120.4(3)
C17 C18 C19 121.9(2)
C17 C18 H18 119.0
C19 C18 H18 119.0
C14 C19 C18 120.9(2)
C14 C19 H19 119.5
C18 C19 H19 119.5
C21 C20 C17 114.1(2)
C21 C20 H20A 108.7
C17 C20 H20A 108.7
C21 C20 H20B 108.7
C17 C20 H20B 108.7
H20A C20 H20B 107.6
C20 C21 H21A 109.5
C20 C21 H21B 109.5
H21A C21 H21B 109.5
C20 C21 H21C 109.5
H21A C21 H21C 109.5
H21B C21 H21C 109.5
C13 O2 H2O 108(3)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 O1 1.205(2)
C1 C12 1.496(3)
C1 C2 1.518(3)
C2 C3 1.514(3)
C2 C13 1.532(3)
C2 H2 0.9800
C3 C4 1.517(3)
C3 H3A 0.9700
C3 H3B 0.9700
C4 C5 1.517(4)
C4 H4A 0.9700
C4 H4B 0.9700
C5 C6 1.510(4)
C5 H5A 0.9700
C5 H5B 0.9700
C6 C7 1.531(4)
C6 H6A 0.9700
C6 H6B 0.9700
C7 C8 1.518(4)
C7 H7A 0.9700
C7 H7B 0.9700
C8 C9 1.510(4)
C8 H8A 0.9700
C8 H8B 0.9700
C9 C10 1.509(4)
C9 H9A 0.9700
C9 H9B 0.9700
C10 C11 1.512(4)
C10 H10A 0.9700
C10 H10B 0.9700
C11 C12 1.523(3)
C11 H11A 0.9700
C11 H11B 0.9700
C12 H12A 0.9700
C12 H12B 0.9700
C13 O2 1.412(3)
C13 C14 1.509(3)
C13 H13 0.9800
C14 C15 1.379(3)
C14 C19 1.380(3)
C15 C16 1.405(3)
C15 H15 0.9300
C16 C17 1.361(4)
C16 H16 0.9300
C17 C18 1.382(3)
C17 C20 1.519(3)
C18 C19 1.383(3)
C18 H18 0.9300
C19 H19 0.9300
C20 C21 1.472(4)
C20 H20A 0.9700
C20 H20B 0.9700
C21 H21A 0.9600
C21 H21B 0.9600
C21 H21C 0.9600
O2 H2O 0.91(5)
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
O2 H2O O1 0.91(5) 2.04(5) 2.921(4) 164(4) 2_655
C12 H12A O2 0.97 2.50 3.475(5) 178 2_655
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
O1 C1 C2 C3 -118.9(2)
C12 C1 C2 C3 64.6(2)
O1 C1 C2 C13 114.6(2)
C12 C1 C2 C13 -61.9(3)
C1 C2 C3 C4 64.0(3)
C13 C2 C3 C4 -170.90(18)
C2 C3 C4 C5 -167.0(2)
C3 C4 C5 C6 75.0(3)
C4 C5 C6 C7 71.7(3)
C5 C6 C7 C8 -152.4(3)
C6 C7 C8 C9 64.8(3)
C7 C8 C9 C10 64.2(3)
C8 C9 C10 C11 -165.6(2)
C9 C10 C11 C12 71.7(3)
O1 C1 C12 C11 28.1(3)
C2 C1 C12 C11 -155.5(2)
C10 C11 C12 C1 71.8(3)
C3 C2 C13 O2 -172.93(17)
C1 C2 C13 O2 -46.8(2)
C3 C2 C13 C14 64.4(2)
C1 C2 C13 C14 -169.43(17)
O2 C13 C14 C15 130.0(2)
C2 C13 C14 C15 -110.2(2)
O2 C13 C14 C19 -51.7(3)
C2 C13 C14 C19 68.1(3)
C19 C14 C15 C16 0.3(3)
C13 C14 C15 C16 178.69(19)
C14 C15 C16 C17 -0.5(4)
C15 C16 C17 C18 0.8(4)
C15 C16 C17 C20 178.5(2)
C16 C17 C18 C19 -1.0(4)
C20 C17 C18 C19 -178.8(2)
C15 C14 C19 C18 -0.6(3)
C13 C14 C19 C18 -178.9(2)
C17 C18 C19 C14 0.9(4)
C16 C17 C20 C21 -100.7(3)
C18 C17 C20 C21 77.0(4)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139176182
