M diad

{
  "id": "MLC-T-CHM-006857",
  "term": "M diad",
  "field": "Chemistry",
  "definition": "A sequence of two consecutive monomeric units in a polymer chain where the substituents on the main chain are on the same side, relative to the backbone. This arrangement is also known as a meso diad. It is a measure of tacticity, specifically referring to the relative configuration of two adjacent chiral centers.",
  "subject": "Polymer",
  "references": [
    "PAC, 2020, 92, 1769. 'Definitions and notations relating to tactic polymers (IUPAC Recommendations 2020)' on page 1773 (https://doi.org/10.1515/pac-2019-0409)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/m-diad/"
}