TY - RPRT TI - Experimental electronic structures of the Fe IV =O bond in S=1 heme vs. nonheme sites: Effect of the porphyrin ligand AU - Braun, Augustin [Stanford Univ., CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)] (ORCID:0000000294875769) AU - Gee, Leland B. [Stanford Univ., CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)] AU - Waters, Max D. J. [Stanford Univ., CA (United States)] (ORCID:000000023505627X) AU - Jose, Anex [Stanford Univ., CA (United States)] (ORCID:0000000249247886) AU - Baker, Michael L. [Stanford Univ., CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Univ. of Manchester (United Kingdom); Harwell Science and Innovation Campus, Didcot (United Kingdom). Diamond Light Source, Ltd.] (ORCID:0000000282463177) AU - Mara, Michael W. [Stanford Univ., CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Argonne National Laboratory (ANL), Argonne, IL (United States)] AU - Babicz, Jr., Jeffrey T. [Stanford Univ., CA (United States)] (ORCID:0000000214768390) AU - Ehudin, Melanie A. [Johns Hopkins Univ., Baltimore, MD (United States)] AU - Quist, David A. [Johns Hopkins Univ., Baltimore, MD (United States)] (ORCID:0000000269965586) AU - Zhou, Ang [Univ. of Minnesota, Minneapolis, MN (United States)] AU - Kroll, Thomas [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Stanford Univ., CA (United States)] AU - Titus, Charles J. [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Stanford Univ., CA (United States)] (ORCID:0000000163128552) AU - Lee, Sang-Jun [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Stanford Univ., CA (United States)] (ORCID:0000000281993993) AU - Nordlund, Dennis [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Stanford Univ., CA (United States)] AU - Sokaras, Dimosthenis [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Stanford Univ., CA (United States)] (ORCID:0000000181171933) AU - Yoda, Yoshitaka [Japan Synchrotron Radiation Research Institute, Sayo, Hyogo (Japan)] AU - Kobayashi, Yasuhiro [Kyoto Univ. (Japan)] (ORCID:0000000248571297) AU - Tamasaku, Kenji [RIKEN SPring-8 Center, Sayo (Japan)] AU - Hedman, Britt [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Stanford Univ., CA (United States)] AU - Hodgson, Keith O. [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); Stanford Univ., CA (United States)] (ORCID:0000000330598931) AU - Karlin, Kenneth D. [Johns Hopkins Univ., Baltimore, MD (United States)] AU - Que. Jr., Lawrence [Univ. of Minnesota, Minneapolis, MN (United States)] (ORCID:0000000209892813) AU - Solomon, Edward I. [Stanford Univ., CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)] (ORCID:0000000302913199) PY - 2025 DO - 10.1073/pnas.2420205122 UR - https://www.osti.gov/biblio/2587857 ID - 2587857 ER -