Symmetry Relationships between Crystal Structures. Second edition. By Ulrich Müller and Gemma de la Flor. IUCr/Oxford Science Publications, 2024. Pp. XVIII + 368. Price GBP 55.00. ISBN 978-0-19-285832-0 [0.03%]
晶体结构之间的对称关系（第2版）作者：乌尔里希· Müller &格玛·德·拉·弗洛尔出版社：国际晶体学联合会/牛津大学出版社, 2024年. 页数: XVIII + 368. 定价:55英镑. ISBN:978-0-19-285832-0
Massimo Nespolo
Massimo Nespolo
Call for papers for special issue: Crystal Growth and Related Characterization [0.03%]
专栏征稿：晶体生长及表征技术相关研究
IUCr Editorial Office
IUCr Editorial Office
Acta Crystallographica Section B invites papers on advanced neutron scattering instrumentation to appear in a special issue of the journal that will be published in 2026. ...
Multidisciplinary study of thorium mobility: formation of turkestanite and steacyite analogues, and structural insights using an XRD-directed microcrystal preparation technique [0.03%]
钍的多学科研究：turkestanite和steacyite类似物的形成及采用X射线衍射指导微晶制备技术的结构见解
M Stachowicz,B Bagiński,D E Harlov et al.
M Stachowicz et al.
Minerals of the ekanite group typically contain Th, U or REE (rare earth elements) as primary structural constituents. The CNa analogues of turkestanite, AThB(Ca,Na)C(K1-x□x)T(Si8O20) (□ is vacancy), and steacyite, AThB(Ca,Na)C(K1-x□x)T(...
A linear/quadratic order parameter coupling description of the Verwey transition in magnetite, Fe3O4 [0.03%]
铁磁铁矿中韦威斯相变的线性/平方订单参数耦合描述式
Michael A Carpenter,Richard J Harrison,James Shaw-Stewart et al.
Michael A Carpenter et al.
The change in symmetry Fd3m → Cc at the Verwey transition in magnetite puts it in a class of phase transitions with linear/quadratic coupling between two separate order parameters. Direct coupling between an order parameter Qe, to represen...
New insights into structural diversity of open-framework silicates inspired by the exploration of the Cs2O-CaO-SiO2 system [0.03%]
Cs2O-CaO-SiO2系统启发的开放骨架硅酸盐结构多样性的新认识
Sergey M Aksenov
Sergey M Aksenov
The structure of unique compound Cs4Ca[Si8O19] reported recently by Kahlenberg [(2025), Acta Cryst. B81, 325-336] contributes to the broader understanding of structure-property relationships in open-framework silicates (as well as silicates...
The role of the solvent molecule in the crystal packing arrangements of hydrated salts formed by ethacridine and fluorobenzoic acids [0.03%]
溶剂分子在乙吖啶和氟苯甲酸盐水合物晶胞堆积排列中所起的作用
Artur Mirocki,Mattia Lopresti
Artur Mirocki
Three novel hydrated salts of ethacridine: 2-fluorobenzoate dihydrate, 3-fluorobenzoate monohydrate and 4-fluorobenzoate monohydrate were synthesized and structurally characterized using single-crystal X-ray diffraction. Analysis of intermo...
Structural phase transitions, dehydration and decomposition of ammonium hypodiphosphates [0.03%]
亚氨次磷酸盐的结构相变、失水和分解反应
Katarzyna A Ślepokura,Paulina Kurowska,Daria Budzikur-Maciąg et al.
Katarzyna A Ślepokura et al.
The ferroelectric diammonium hypodiphosphate, (NH4)2(H2P2O6) (3), is the only known so far ammonium salt of hypodiphosphoric acid, H4P2O6. A series of seven new ammonium salts is reported: triclinic (P1) (1) and monoclinic (C2/c) (2) polymo...
Structures of phosphonitrides in light of the extended Zintl-Klemm concept [0.03%]
从扩大的Zintl-Klemm概念来看磷氮化物的结构
Angel Vegas,Hussien H Osman,Alfonso Muñoz et al.
Angel Vegas et al.
The extended Zintl-Klemm concept (EZKC) is applied to explain the crystalline structures of phosphonitrides (also known as nitridophosphates in the chemical literature). The examples of (AE)2AlP8N15(NH) (AE = Ca, Sr, Ba), GeIVPN3 and MP2N4 ...
Brendan J Kennedy
Brendan J Kennedy
The strategy used by Richtik et al. [(2025), Acta Cryst. B81, https://doi.org/10.1107/S2052520625002781] is a textbook example of how to address the complex crystallinity in multiphase ferroelectric ceramics. ...
Juan Rodriguez-Carvajal,Javier Gonzalez-Platas,Nebil A Katcho
Juan Rodriguez-Carvajal
The study of magnetic structures from a crystallographic perspective remains a niche field, largely confined to physical crystallography and microscopic magnetism. Unlike general or superspace crystallography, magnetic structure analysis la...