Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Apr 14;26(8):2268. doi: 10.3390/molecules26082268

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Bond strength order BSO n of the HBs for the NBP $_{s}$ and UBP $_{s}$ as a function of the corresponding local stretching force constant $k^{a}$ as determined via Equation (6). For comparison the HBs of the reference complexes are included. Calculated at the $ω$ B97X-D/6-31++G(d,p) level of theory.