Electron diffraction dataset collected from ammonium oxalate monohydrate (Sigma-Aldrich) micro crystals, as supplied by the manufacturer.
Microscope: Thermo Fisher Scientific 200kV Glacios Transmission Electron Microscope (Cryomicroscopy and Electron Diffraction Core Facility at the Centre of New Technologies, University of Warsaw, Poland)
Camera: Ceta-D camera (bin 2x2, rolling shutter, noise reduction mode)
Collection Software: EPU-D (Thermo Fisher), SMV format
Collection Parameters: 200keV, -193C, 50um C2, gun lens 8, spot size 11, extraction voltage 3850V, parallel beam, beam diameter ~1.7 um, beam stop inserted, oscillation per frame 0.4 deg, 0.5 s exposure time, tilt speed 0.8 deg/s, rotation -60 to +60 deg
Grid: lacey carbon Cu 200 mesh glow discharged for 60s at 25mA
Sample: ammonium oxalate monohydrate
(2025-06-15)