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Related Concept Videos

X-ray Crystallography02:18

X-ray Crystallography

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The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
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X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
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Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
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On-Chip Crystallization and Large-Scale Serial Diffraction at Room Temperature
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Focus on Quantum Crystallography.

Paulina M Dominiak1, Ángel Martín Pendás2, Krzysztof Woźniak1

  • 1University of Warsaw, Biological and Chemical Research Centre, Faculty of Chemistry, Żwirki i Wigury 101, Warszawa 02-089, Poland.

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Summary
This summary is machine-generated.

This collection explores quantum crystallography, merging quantum mechanics and crystallography. Discover its applications in chemical bonding, materials science, and drug discovery, bridging experiments and computation.

Keywords:
chemical bondingcomputational chemistrydrug discoverymaterials sciencequantum crystallographystructure determinationtheoretical chemistry

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Area of Science:

  • Crystallography
  • Quantum Mechanics
  • Materials Science
  • Theoretical Chemistry
  • Drug Discovery

Background:

  • The centenary of quantum mechanics marks a significant milestone.
  • Crystallography and quantum theory are converging.
  • Quantum crystallography is an emerging interdisciplinary field.

Purpose of the Study:

  • Introduce the 'Focus on Quantum Crystallography' collection.
  • Highlight the synergy between quantum mechanics and crystallography.
  • Showcase recent advancements and applications.

Main Methods:

  • Review of recent literature in quantum crystallography.
  • Identification of key application areas.
  • Emphasis on the integration of experimental and computational approaches.

Main Results:

  • Quantum crystallography offers novel insights into chemical bonding.
  • Applications span materials science, enabling the design of new materials.
  • Significant potential in drug discovery through precise molecular understanding.

Conclusions:

  • Quantum crystallography is rapidly advancing.
  • It plays a crucial role in bridging experimental data with theoretical predictions.
  • The field is poised to drive innovation across multiple scientific disciplines.