data_global
_chemical_name_mineral 'Proshchenkoite-(Y)'
loop_
_publ_author_name
'Raade G'
'Grice J D'
'Erambert M'
'Kristiansson P'
'Witzke T'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 72 
_journal_year 2008
_journal_page_first 1071
_journal_page_last 1082
_publ_section_title
;
 Proshchenkoite-(Y) from Russia - a new mineral species in the vicanite group:
 Descriptive data and crystal structure
;
_database_code_amcsd 0018903
_chemical_compound_source 'Tommot REE-Nb deposit in Yakutia, Russia'
_chemical_formula_sum 'Nd7.53 Y3.72 Ca2.53 Na1.17 Mn.93 Th.09 Pb.03 Fe.83 Ti.02 Si6.26 B3 P.7 As.04 O34 F14'
_cell_length_a 10.7527
_cell_length_b 10.7527
_cell_length_c 27.4002
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 2743.591
_exptl_crystal_density_diffrn      4.927
_symmetry_space_group_name_H-M 'R 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
NdM1   0.87001   0.12999   0.68367   0.70000   0.01824
YM1   0.87001   0.12999   0.68367   0.30000   0.01824
NdM2   0.86573   0.13427   0.10116   0.80000   0.02187
CaM2   0.86573   0.13427   0.10116   0.20000   0.02187
NaM3   0.11449   0.88551  -0.09902   0.39000   0.03280
NdM3   0.11449   0.88551  -0.09902   0.33000   0.03280
CaM3   0.11449   0.88551  -0.09902   0.20000   0.03280
YM3   0.11449   0.88551  -0.09902   0.08000   0.03280
NdM4   0.12282   0.87718   0.46990   0.42000   0.02110
MnM4   0.12282   0.87718   0.46990   0.26000   0.02110
YM4   0.12282   0.87718   0.46990   0.16000   0.02110
CaM4   0.12282   0.87718   0.46990   0.11000   0.02110
YM5   0.13824   0.86176   0.22186   0.70000   0.01688
NdM5   0.13824   0.86176   0.22186   0.26000   0.01688
ThM5   0.13824   0.86176   0.22186   0.03000   0.01688
PbM5   0.13824   0.86176   0.22186   0.01000   0.01688
Fe   0.00000   0.00000   0.00000   0.83000   0.02150
Mn   0.00000   0.00000   0.00000   0.15000   0.02150
Ti   0.00000   0.00000   0.00000   0.02000   0.02150
Si1   0.16972   0.83028   0.04725   1.00000   0.02170
Si2   0.82858   0.17142  -0.04047   1.00000   0.01950
B  -0.08210   0.08210   0.29620   1.00000   0.01900
P   0.00000   0.00000   0.78864   0.70000   0.03080
Si   0.00000   0.00000   0.78864   0.26000   0.03080
As   0.00000   0.00000   0.78864   0.04000   0.03080
Ca   0.00000   0.00000   0.57832   1.00000   0.03360
O1   0.08370  -0.08370   0.05250   1.00000   0.02520
O2   0.18670   0.81330  -0.01020   1.00000   0.02720
O3   0.32740  -0.06830   0.07292   1.00000   0.02330
O4  -0.08520   0.08520  -0.05260   1.00000   0.03700
O5   0.81070   0.18930   0.01880   1.00000   0.02180
O6   0.66610   0.08510  -0.06171   1.00000   0.03120
O7   0.07780  -0.07780   0.30690   1.00000   0.02510
O8  -0.09770   0.09770   0.24080   1.00000   0.02350
F9   0.08520  -0.08520   0.14750   1.00000   0.04250
O10   0.00000   0.00000   0.84680   1.00000   0.02800
O11   0.15140   0.11920   0.76800   0.50000   0.04900
F12  -0.08990   0.08990   0.51240   1.00000   0.03330
F13   0.00000   0.00000   0.66330   1.00000   0.02200
F14   0.01560   0.30300   0.84079   1.00000   0.04370
F15   0.00000   0.00000   0.43770   1.00000   0.04700
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
NdM1 0.01697 0.01697 0.01790 0.00637 0.00201 -0.00201
YM1 0.01697 0.01697 0.01790 0.00637 0.00201 -0.00201
NdM2 0.02088 0.02088 0.02280 0.00960 -0.00088 0.00088
CaM2 0.02088 0.02088 0.02280 0.00960 -0.00088 0.00088
NaM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010
NdM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010
CaM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010
YM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010
NdM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190
MnM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190
YM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190
CaM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190
YM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037
NdM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037
ThM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037
PbM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037
Fe 0.02530 0.02530 0.01390 0.01270 0.00000 0.00000
Mn 0.02530 0.02530 0.01390 0.01270 0.00000 0.00000
Ti 0.02530 0.02530 0.01390 0.01270 0.00000 0.00000
Si1 0.01820 0.01820 0.02550 0.00680 0.00040 -0.00040
Si2 0.01670 0.01670 0.02550 0.00860 -0.00060 0.00060
B 0.01000 0.01000 0.02500 -0.00400 -0.00500 0.00500
P 0.03250 0.03250 0.02700 0.01630 0.00000 0.00000
Si 0.03250 0.03250 0.02700 0.01630 0.00000 0.00000
As 0.03250 0.03250 0.02700 0.01630 0.00000 0.00000
Ca 0.03980 0.03980 0.02110 0.01990 0.00000 0.00000
O1 0.01470 0.01470 0.04100 0.00300 -0.00420 0.00420
O2 0.02760 0.02760 0.02700 0.01400 0.00380 -0.00380
O3 0.02370 0.02500 0.02200 0.01330 -0.00030 0.00480
O4 0.02340 0.02340 0.06500 0.01300 0.00200 -0.00200
O5 0.02470 0.02470 0.01600 0.01200 -0.00090 0.00090
O6 0.02000 0.03700 0.02500 0.00500 -0.00800 -0.00800
O7 0.02020 0.02020 0.03100 0.00700 0.00240 -0.00240
O8 0.02230 0.02230 0.01800 0.00500 0.00050 -0.00050
F9 0.04200 0.04200 0.03500 0.01500 -0.00440 0.00440
O10 0.02900 0.02900 0.02700 0.01500 0.00000 0.00000
O11 0.02700 0.05500 0.03300 -0.00500 -0.00300 0.00100
F12 0.02870 0.02870 0.03800 0.01100 0.00740 -0.00740
F13 0.01400 0.01400 0.03800 0.00720 0.00000 0.00000
F14 0.04300 0.05000 0.04200 0.02600 -0.01500 -0.00500
F15 0.05200 0.05200 0.03700 0.02600 0.00000 0.00000