Themed collection The effects of extreme conditions on molecular solids
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The effects of extreme conditions on molecular solids
Welcome to this themed issue of CrystEngComm entitled: ‘The effects of extreme conditions on molecular solids’.
CrystEngComm, 2019,21, 4420-4421
https://doi.org/10.1039/C9CE90109D
A structural exploration of anisole accessed through extreme crystallisation conditions
A novel high pressure polymorph of anisole has been discovered and investigated with respect to the known low temperature form.
CrystEngComm, 2019,21, 4422-4426
https://doi.org/10.1039/C9CE00870E
Dielectric properties and the role of grain boundaries in polycrystalline tetracene at high pressures
Dielectric properties and the role of grain boundaries in polycrystalline tetracene under pressure were investigated using impedance and computational methods.
CrystEngComm, 2019,21, 4507-4512
https://doi.org/10.1039/C9CE00961B
Structural investigation and compression of a co-crystal of indomethacin and saccharin
Indomethacin : saccharin cocrystal has been studied under high pressure conditions and the amide interactions compared with previous high pressure studies.
CrystEngComm, 2019,21, 4465-4472
https://doi.org/10.1039/C9CE00838A
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The high-pressure and low-temperature structural behaviour of 2,2,2-trifluoroethanol
Polymorphic crystal structures have been determined for 2,2,2-trifluoroethanol by using the in situ crystallography techniques of high pressure and cryo-cooling.
CrystEngComm, 2019,21, 4501-4506
https://doi.org/10.1039/C9CE00485H
Effect of pressure on slit channels in guanine sodium salt hydrate: a link to nucleobase intermolecular interactions
The crystal structure of a hydrate of the sodium salt of guanine (2Na+·C5H3N5O2−·7H2O) was studied at high pressure by single-crystal X-ray diffraction and Raman spectroscopy.
CrystEngComm, 2019,21, 4484-4492
https://doi.org/10.1039/C9CE00476A
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High-pressure polymorphism in L-threonine between ambient pressure and 22 GPa
The amino acid L-threonine undergoes three phase transitions between ambient pressure and 22.3 GPa which modify both hydrogen bonding and the molecular conformation.
CrystEngComm, 2019,21, 4444-4456
https://doi.org/10.1039/C9CE00388F
Antisolvent addition at extreme conditions
Antisolvent addition at high pressure (0.8 GPa) allows crystallization and recovery to ambient pressures of metastable form II paracetamol.
CrystEngComm, 2019,21, 4437-4443
https://doi.org/10.1039/C9CE00365G
High-pressure crystallisation studies of biodiesel and methyl stearate
The widespread use of biodiesel as a renewable fuel offers many potential advantages, but at the same time presents challenges for modern internal combustion engines, particularly for those that involve high-pressure injection of fuel into the combustion chamber.
CrystEngComm, 2019,21, 4427-4436
https://doi.org/10.1039/C9CE00393B
Molybdenum and rhenium disulfide synthesis via high-pressure carbonate melt
A new method is shown for the crystallisation of molybdenum and rhenium disulfide from high pressure liquid carbonate flux. Crystal size ranges from 10s to 100s of micrometres.
CrystEngComm, 2019,21, 4513-4518
https://doi.org/10.1039/C9CE00188C
Structure and reactivity of 2,4,6-tricyano-1,3,5-triazine under high-pressure conditions
2,4,6-Tricyano-1,3,5-triazine is an attractive precursor for the synthesis of extended layered and nanoporous carbon nitrides.
CrystEngComm, 2019,21, 4493-4500
https://doi.org/10.1039/C8CE02154F
Effects of pressure on the structure and lattice dynamics of α-glycine: a combined experimental and theoretical study
This concomitant experimental and theoretical study provides a definitive EOS for α-glycine up to the record pressure of 50 GPa.
CrystEngComm, 2019,21, 4457-4464
https://doi.org/10.1039/C8CE02123F
Structural behaviour of OP-ROY at extreme conditions
A highly-flexible organic molecule, with numerous polymorphs at ambient conditions, shows remarkable metastability, resisting the effects of extreme pressure and temperature.
CrystEngComm, 2019,21, 4473-4483
https://doi.org/10.1039/C8CE01946K
About this collection
This themed issue on ‘The effects of extreme conditions on molecular solids’ delves into the realm of high pressure and celebrates the advances that have been made over the past few years. The breadth of systems investigated in this issue demonstrate an increase in complexity as well as the advancements in techniques that have enabled this to occur.
Iain D. H. Oswald and Christine M. Beavers (Guest Editors)