Micro crystals are no longer dedicated targets for synchrotron facilities. Rigaku provides the most advanced “in-house” system with powerful X-ray source, genuine detector and intelligent software.
Data collection
- Two sets of scans
- Scan 1: 2θ=42° -- Exposure time = 45 sec/°
- Scan 2: 2θ=90° -- Exposure time = 60 sec/°
- 2° per image
- 376 images total
- Total time: 24 hr 36 min
- Orthorhombic
- Space group Pna2₁
- a = 10.642(4) Å
- b = 7.700(6) Å
- c = 9.214(5) Å
- Max. resolution: 0.84 Å
- Unique reflections: 1264
- Total reflections: 3245
- Rmerge: 0.062
Sample: Zn complex
System: VariMax with Saturn
Temperature: -180°C
Space group: I4/mcm (#140)
Unit cell: a=15.0 Å, c=19.2 Å; V=4334 ų
Crystal size: 0.04 x 0.03 x 0.02 mm
Measurement time: 19 hours
Rmerge = 3.80%; R₁ = 4.14%
Crystal size: 0.02 x 0.02 x 0.02 mm
Measurement time: 18 hours
Rmerge = 7.17%; R₁ = 5.17%
Sample: SiO₂
System: VariMax with Saturn
Temperature: -173°C
Space group: P3₁21 (#152)
Unit cell: a=4.902(4) Å, c=5.399(4) Å; V=112.37(14) ų; Z=3
Crystal size: 0.01 x 0.01 x 0.01 mm
Measurement time: 27 hours
Rmerge = 3.80%; R₁ = 2.69%