Using APEX2 to Analyze Twinned Crystals - Bruker AXS Support

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“Anthra” – A Partial Merohedral twin • Visual inspection of the frames does not suggest twinning • Unless, maybe, if you already know what you are looking for 05.05.2011 12
“Anthra” – Indexing • Indexing is straight forward • Orthorhombic C centered cell • Overlay looks reasonable • But if you go down this path the trouble starts! 05.05.2011 13
Page 1 and 2: Using APEX2 to Analyze Twinned Crys
Page 3 and 4: What are twins? • Twins are regul
Page 5 and 6: Types of twins - Partial merohedral
Page 7 and 8: Types of twins - Merohedral Twin
Page 9 and 10: Partial-Merohedral Twin - Twin oper
Page 11: “Anthra” - A Partial Merohedral
Page 15 and 16: “Anthra” - Visual Indexing •
Page 21 and 22: “Anthra” - Unit cell overlay
Page 23 and 24: CELL_NOW for indexing • This is a
Page 25 and 26: Input for Cell_Now • Prepare refl
Page 27 and 28: Cell_Now: Candidate Cells ---------
Page 29 and 30: Cell_Now: Search for Second Domain
Page 31 and 32: Input for APEX2 • Prepare reflect
Page 33 and 34: Data integration - SAINT • SAINT
Page 35 and 36: Data integration - SAINT integratio
Page 37 and 38: Data integration - SAINT integratio
Page 39 and 40: Data integration - SAINT refinement
Page 41 and 42: TWINABS for absorption correction a
Page 43 and 44: TWINABS: data processing PART 1 - R
Page 45 and 46: TWINABS: reject outliers 1808 total
Page 47 and 48: TWINABS: prepare .hkl files Generat
Page 49 and 50: Final Results Refinement against HK
Page 51: © Copyright © 2011 Bruker Bruker

Using APEX2 to Analyze Twinned Crystals - Bruker AXS Support

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