René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"association scheme variables Na, Nb, Nc","articleBody":"hi, i have a question regarding association scheme variables Na, Nb, Nc:\r\n\r\nfrom \"rehner2020.json\", water _2B, _3B and _4C, I understand that NA is the number of electron accepting sites (~H) and NB is the number of electron donating sites ( ~O: ), but what is the NC field (currently set to default zero)?\r\n\r\n![rehner2020_water4c](https://github.com/feos-org/feos/assets/10930517/50b67c8a-e5ab-4700-a595-8c0b3a14b4ea)\r\n\r\nas I understand, all interactions are calculated from a single couple of parameters for each molecule (kappa_ab and epsilon_k_ab) and these sites numbers and its intrinsic characteristics.\r\n\r\nthanks,\r\n\r\niuri.","author":{"url":"https://github.com/iurisegtovich","@type":"Person","name":"iurisegtovich"},"datePublished":"2024-01-15T20:59:52.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/220/feos/issues/220"}