
#(C) 2025 by FIZ Karlsruhe - Leibniz Institute for Information Infrastructure.  All rights reserved.
data_100348-ICSD
_database_code_ICSD 100348
_audit_creation_date 1980-12-31
_audit_update_record 2023-02-01
_chemical_name_common 'Lithium tecto-alumotetrasilicate'
_chemical_formula_structural 'Li (Al Si4 O10)'
_chemical_formula_sum 'Al1 Li1 O10 Si4'
_chemical_name_structure_type LiAlSi4O10
_chemical_name_mineral Petalite
_exptl_crystal_density_diffrn 2.4
_citation_title

;
Petalit, Li Al Si4 O10: Verfeinerung der Kristallstruktur, Diskussion der
Raumgruppe und Infrarot-Messung
;
loop_
_citation_id
_citation_journal_full
_citation_year
_citation_journal_volume
_citation_page_first
_citation_page_last
_citation_journal_id_ASTM
primary 'TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen' 1980
27 129 142 TTMMDZ
loop_
_citation_author_citation_id
_citation_author_name
primary 'Effenberger, H.'
_cell_length_a 11.7540(11)
_cell_length_b 5.1395(5)
_cell_length_c 7.6296(7)
_cell_angle_alpha 90.
_cell_angle_beta 113.04(1)
_cell_angle_gamma 90.
_cell_volume 424.14
_cell_formula_units_Z 2
_space_group_name_H-M_alt 'P 1 2/a 1'
_space_group_IT_number 13
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 'x+1/2, -y, z'
2 '-x, -y, -z'
3 '-x+1/2, y, -z'
4 'x, y, z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
Li1+ 1
Al3+ 3
Si4+ 4
O2- -2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_B_iso_or_equiv
_atom_site_occupancy
Li1 Li1+ 2 e 0.25 0.25820(91) 0 . 1.
Al1 Al3+ 2 e 0.25 0.75664(13) 0 . 1.
Si1 Si4+ 4 g 0.99816(3) 0.51279(8) 0.28984(5) . 1.
Si2 Si4+ 4 g 0.14775(3) 0.00993(8) 0.28962(5) . 1.
O1 O2- 2 b 0 0.5 0.5 . 1.
O2 O2- 2 f 0.25 0.96385(42) 0.5 . 1.
O3 O2- 4 g 0.09392(11) 0.30163(23) 0.26980(18) . 1.
O4 O2- 4 g 0.36166(9) 0.53587(23) 0.13425(15) . 1.
O5 O2- 4 g 0.03788(10) 0.80112(23) 0.25177(17) . 1.
O6 O2- 4 g 0.20741(10) 0.97774(23) 0.13486(15) . 1.
#End of TTdata_100348-ICSD