Einstein's relativity rules chemical bonds in heavy elements, new research shows (brown.edu)

Article summary

Researchers from Brown University have provided direct experimental evidence that the structure of triple chemical bonds breaks down in heavy elements due to relativistic effects. The study, published in Science, used photoelectron spectroscopy to analyze molecules made from bismuth and carbon, showing that the traditional picture of triple bonding does not apply. The findings may lead to a rewriting of chemistry textbooks and have implications for the study of heavy elements. The research was funded by the US National Science Foundation and the US Department of Energy.

Main themes

• Relativistic effects in chemistry
• Chemical bonding in heavy elements
• Limitations of traditional chemistry textbooks
• Interplay between physics and chemistry
• Complexity of biological systems
• Role of mathematics in science

What commenters say

• The complexity of biological systems makes it difficult to apply reductionist explanations and requires a more empirical approach.
• Physics and chemistry have different levels of complexity, with physics being more amenable to reductionist explanations and chemistry being more nuanced.
• The relationship between mathematics and physics is still not fully understood, with some arguing that mathematics can derive physics and others claiming that physics requires empirical observation.
• The study of heavy elements and relativistic effects challenges traditional chemistry textbooks and may lead to a deeper understanding of chemical bonding.
• The distinction between physics and chemistry is not always clear-cut, with some arguing that physics underlies all other fields and others claiming that chemistry has its own unique principles.
• The use of mathematical models in science is limited by the complexity of the systems being studied, and may not always be able to capture the full range of behaviors and exceptions.
• The concept of life and its definition is still not fully understood and may require a more fundamental understanding of physics and chemistry.
• The study of complex systems, such as biological organisms, may require a more holistic approach that takes into account the interactions and emergent properties of the system as a whole.