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Chemical Structure| 511540-64-0 Chemical Structure| 511540-64-0

Structure of 511540-64-0

Chemical Structure| 511540-64-0

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Calum Gibb ; Jordan Hobbs ; Diana Nikolova ; Tom Raistrick ; Helen Gleeson ; Richard Mandle

Abstract: Spontaneous symmetry breaking and emergent polar order are each of fundamental importance to a range of scientific disciplines, as well as generating rich phase behaviour in liquid crystals (LCs). Here, we show the union of these phenomena to lead to two previously undiscovered polar liquid states of matter. Both phases have a lamellar structure with an inherent polar ordering of their constituent molecules. The first of these phases is characterised by polar order and a local tilted structure; the tilt direction precesses about a helix orthogonal to the layer normal, the period of which is such that we observe selective reflection of light. The second new phase type is anti-ferroelectric, with the constituent molecules aligning orthogonally to the layer normal. This has led us to term the phases the SmC_P^H and SmAAF phases, respectively. Further to this, we obtain room temperature ferroelectric nematic (NF) and SmC_P^Hphases via binary mixture formulation of the novel materials described here with a standard NF compound (DIO), with the resultant materials having melting points (and/or glass transitions) which are significantly below ambient temperature.

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Product Details of [ 511540-64-0 ]

CAS No. :511540-64-0
Formula : C13H4BrF7O
M.W : 389.06
SMILES Code : FC1=C(C(F)(F)OC2=CC(F)=C(F)C(F)=C2)C(F)=CC(Br)=C1
MDL No. :MFCD26143181
Boiling Point : No data available

Safety of [ 511540-64-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Application In Synthesis of [ 511540-64-0 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 511540-64-0 ]

[ 511540-64-0 ] Synthesis Path-Downstream   1~1

  • 1
  • C7H2BrF5O [ No CAS ]
  • [ 160976-02-3 ]
  • [ 511540-64-0 ]
YieldReaction ConditionsOperation in experiment
88% With copper; In dimethyl sulfoxide; at 80℃; for 24h; Weigh 18g compound 4,21g5- fluoro-2-bromo-1,3-iodobenzene, 25g of copper powder was added to 250mL of dimethyl sulfoxide, 80 reaction 24h, the reaction was complete water was added 300mL, 3 * 300mL ethyl extracting, 100mL * 3 ethyl acetate and washed with water, dried, spin dry to give 22g compound A.GC: 99.2%, yield: 88%.
 

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