TY - RPRT TI - Analytic Nuclear Gradients Including Oriented External Electric Fields in a Molecule-Fixed Frame AU - Lai, Duc Anh [Southern Methodist Univ., Dallas, TX (United States)] AU - Matthews, Devin A. [Southern Methodist Univ., Dallas, TX (United States)] (ORCID:0000000327955483) PY - 2026 DO - 10.1021/acs.jctc.6c00639 UR - https://www.osti.gov/biblio/3400818 ID - 3400818 ER -