TY - RPRT TI - Approximating large-basis coupled-cluster theory vibrational frequencies using focal-point approximations AU - Nelson, Philip M. AU - Glick, Zachary L. AU - Sherrill, C. David PY - 2023 DO - 10.1063/5.0168608 UR - https://www.osti.gov/biblio/2424928 ID - 2424928 ER -