#------------------------------------------------------------------------------
#$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $
#$Revision: 966 $
#$URL: svn://www.crystallography.net/cod/cif/2/2104148.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2104148
loop_
_publ_author_name
'Redhammer, G\"unther J.'
'Roth, Georg'
'Amthauer, Georg'
'Lottermoser, Werner'
_publ_section_title
;
On the crystal chemistry of olivine-type germanate compounds,
Ca~1+x~M~1{-~x}GeO~4~ (M^2+^ = Ca, Mg, Co,
Mn)
;
_journal_coeditor_code WS5059
_journal_issue 3
_journal_name_full 'Acta Crystallographica Section B'
_journal_page_first 261
_journal_page_last 271
_journal_volume 64
_journal_year 2008
_chemical_formula_sum 'Ca1.17 Ge Mn0.83 O4'
_chemical_formula_weight 229.16
_space_group_crystal_system orthorhombic
_space_group_IT_number 62
_space_group_name_Hall '-P 2ac 2n'
_space_group_name_H-M_alt Pnma
_symmetry_space_group_name_Hall '-P 2ac 2n'
_symmetry_space_group_name_H-M 'P n m a'
_audit_creation_method 'WinGX routine CIF_UPDATE'
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_formula_units_Z 4
_cell_length_a 11.3256(7)
_cell_length_b 6.5643(4)
_cell_length_c 5.1098(3)
_cell_measurement_reflns_used 1351
_cell_measurement_temperature 295(2)
_cell_measurement_theta_max 28.7
_cell_measurement_theta_min 3.61
_cell_volume 379.89(4)
_computing_cell_refinement 'Bruker SAINT+ (Bruker, 2001)'
_computing_data_collection 'Bruker SMART+ (Bruker, 2001)'
_computing_data_reduction 'Bruker SAINT+ (Bruker, 2001)'
_computing_molecular_graphics 'Diamonds 3.0 (Pennington,1999)'
_computing_publication_material 'WinGX v1.70.01 (Farrugia 1999)'
_computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution 'SHELXS-97 (Sheldrick, 1997)'
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device '3-circle diffractometer'
_diffrn_measurement_device_type 'SMART APEX'
_diffrn_measurement_method
'rotation, \w-scans at 4 different \f positions'
_diffrn_radiation_type MoK\a
_diffrn_radiation_wavelength 0.71073
_diffrn_reflns_av_R_equivalents 0.0584
_diffrn_reflns_limit_h_max 15
_diffrn_reflns_limit_h_min -15
_diffrn_reflns_limit_k_max 8
_diffrn_reflns_limit_k_min -8
_diffrn_reflns_limit_l_max 7
_diffrn_reflns_limit_l_min -7
_diffrn_reflns_number 4624
_diffrn_reflns_theta_full 29.48
_diffrn_reflns_theta_max 29.48
_diffrn_reflns_theta_min 3.6
_diffrn_standards_decay_% 0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time 0
_diffrn_standards_number 0
_exptl_absorpt_coefficient_mu 12.136
_exptl_absorpt_correction_T_max 0.34
_exptl_absorpt_correction_T_min 0.23
_exptl_absorpt_correction_type numerical
_exptl_absorpt_process_details
'via equivalents using X-SHAPE (Stoe & Cie 1996)'
_exptl_crystal_colour brown
_exptl_crystal_density_diffrn 4.007
_exptl_crystal_density_method 'not measured'
_exptl_crystal_description cuboid
_exptl_crystal_F_000 432.6
_exptl_crystal_size_max 0.18
_exptl_crystal_size_mid 0.15
_exptl_crystal_size_min 0.14
_refine_diff_density_max 0.8
_refine_diff_density_min -0.646
_refine_ls_extinction_coef 0.0288(18)
_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 1.218
_refine_ls_hydrogen_treatment noref
_refine_ls_matrix_type full
_refine_ls_number_parameters 45
_refine_ls_number_reflns 555
_refine_ls_number_restraints 2
_refine_ls_restrained_S_all 1.215
_refine_ls_R_factor_gt 0.021
_refine_ls_shift/su_max 0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0218P)^2^+0.2627P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme calc
_refine_ls_wR_factor_ref 0.0495
_reflns_number_gt 548
_reflns_number_total 555
_reflns_threshold_expression >2sigma(I)
_[local]_cod_data_source_file ws5059.cif
_[local]_cod_data_source_block camn_a2
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'x+1/2, -y+1/2, -z+1/2'
'-x, y+1/2, -z'
'-x, -y, -z'
'x-1/2, y, -z-1/2'
'-x-1/2, y-1/2, z-1/2'
'x, -y-1/2, z'
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
O O 0.0106 0.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Ca Ca 0.2262 0.3064 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Ge Ge 0.1547 1.8001 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Mn Mn 0.3368 0.7283 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
Ge Ge1 0.41100(3) 0.25 0.07458(6) 0.00812(15) Uani d S 1
Mn Mn1 0.5 0 0.5 0.01045(17) Uani d SP 0.8
Ca Ca1 0.5 0 0.5 0.01045(17) Uani d SP 0.2
Ca Ca2 0.22281(6) 0.25 0.51088(13) 0.00887(17) Uani d SP 0.97
Mn Mn2 0.22281(6) 0.25 0.51088(13) 0.00887(17) Uani d SP 0.03
O O1 0.4126(2) 0.25 -0.2649(5) 0.0116(5) Uani d S 1
O O2 0.5510(2) 0.25 0.2311(5) 0.0117(5) Uani d S 1
O O3 0.34371(14) 0.0381(3) 0.2243(3) 0.0112(3) Uani d . 1
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ge1 0.0071(2) 0.0100(2) 0.0073(2) 0 0.00024(11) 0
Mn1 0.0109(3) 0.0105(3) 0.0099(3) 0.0025(2) -0.00007(19) 0.00141(18)
Ca1 0.0109(3) 0.0105(3) 0.0099(3) 0.0025(2) -0.00007(19) 0.00141(18)
Ca2 0.0061(3) 0.0096(3) 0.0109(3) 0 0.0008(2) 0
Mn2 0.0061(3) 0.0096(3) 0.0109(3) 0 0.0008(2) 0
O1 0.0116(11) 0.0174(12) 0.0059(10) 0 -0.0006(8) 0
O2 0.0077(11) 0.0149(12) 0.0126(11) 0 -0.0003(9) 0
O3 0.0109(8) 0.0112(8) 0.0115(8) -0.0020(6) 0.0007(6) -0.0006(6)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
Ge1 O1 . 1.735(3)
Ge1 O3 . 1.7611(17)
Ge1 O3 8_565 1.7611(17)
Ge1 O2 . 1.776(2)
Mn1 O2 . 2.2169(16)
Mn1 O2 5_656 2.2169(16)
Mn1 O1 5_655 2.2617(17)
Mn1 O1 1_556 2.2617(17)
Mn1 O3 5_656 2.2760(16)
Mn1 O3 . 2.2760(16)
Ca2 O2 6_556 2.305(2)
Ca2 O3 7_666 2.3094(17)
Ca2 O3 2 2.3094(17)
Ca2 O1 1_556 2.436(2)
Ca2 O3 . 2.4401(17)
Ca2 O3 8_565 2.4401(17)
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
O1 Ge1 O3 . . 116.04(6)
O1 Ge1 O3 . 8_565 116.04(6)
O3 Ge1 O3 . 8_565 104.36(11)
O1 Ge1 O2 . . 116.16(11)
O3 Ge1 O2 . . 100.99(7)
O3 Ge1 O2 8_565 . 100.99(7)
O2 Mn1 O2 . 5_656 180.00(11)
O2 Mn1 O1 . 5_655 95.39(7)
O2 Mn1 O1 5_656 5_655 84.61(7)
O2 Mn1 O1 . 1_556 84.61(7)
O2 Mn1 O1 5_656 1_556 95.39(7)
O1 Mn1 O1 5_655 1_556 180.00(10)
O2 Mn1 O3 . 5_656 105.19(7)
O2 Mn1 O3 5_656 5_656 74.81(7)
O1 Mn1 O3 5_655 5_656 84.76(7)
O1 Mn1 O3 1_556 5_656 95.24(7)
O2 Mn1 O3 . . 74.81(7)
O2 Mn1 O3 5_656 . 105.19(7)
O1 Mn1 O3 5_655 . 95.24(7)
O1 Mn1 O3 1_556 . 84.76(7)
O3 Mn1 O3 5_656 . 180
O2 Ca2 O3 6_556 7_666 88.74(6)
O2 Ca2 O3 6_556 2 88.74(6)
O3 Ca2 O3 7_666 2 109.94(9)
O2 Ca2 O1 6_556 1_556 175.61(9)
O3 Ca2 O1 7_666 1_556 93.77(5)
O3 Ca2 O1 2 1_556 93.77(5)
O2 Ca2 O3 6_556 . 98.72(7)
O3 Ca2 O3 7_666 . 158.96(7)
O3 Ca2 O3 2 . 89.98(4)
O1 Ca2 O3 1_556 . 77.70(6)
O2 Ca2 O3 6_556 8_565 98.72(7)
O3 Ca2 O3 7_666 8_565 89.98(4)
O3 Ca2 O3 2 8_565 158.96(7)
O1 Ca2 O3 1_556 8_565 77.70(6)
O3 Ca2 O3 . 8_565 69.52(8)
_cod_database_code 2104148