<?xml version='1.0' encoding='UTF-8'?><codeBook xmlns="ddi:codebook:2_5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:codebook:2_5 https://ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd" version="2.5" xml:lang="en"><docDscr><citation><titlStmt><titl xml:lang="en">Exe.py: Ab initio fine structure parameters for trigonal defect qubits within the E⊗e Jahn-Teller case</titl><IDNo agency="handle">hdl:21.15109/ARP/EXJKGL</IDNo></titlStmt><distStmt><distrbtr source="archive">ARP</distrbtr><distDate>2025-12-06</distDate></distStmt><verStmt source="archive"><version date="2026-02-05" type="RELEASED">4</version></verStmt><biblCit>Toth, Balazs; Gali, Ádám; Thiering, Gergő, 2025, "Exe.py: Ab initio fine structure parameters for trigonal defect qubits within the E⊗e Jahn-Teller case", https://hdl.handle.net/21.15109/ARP/EXJKGL, ARP, V4</biblCit></citation></docDscr><stdyDscr><citation><titlStmt><titl xml:lang="en">Exe.py: Ab initio fine structure parameters for trigonal defect qubits within the E⊗e Jahn-Teller case</titl><IDNo agency="handle">hdl:21.15109/ARP/EXJKGL</IDNo></titlStmt><rspStmt><AuthEnty affiliation="Wigner Research Centre for Physics">Toth, Balazs</AuthEnty><AuthEnty affiliation="Wigner Research Centre for Physics">Gali, Ádám</AuthEnty><AuthEnty affiliation="Wigner Research Centre for Physics">Thiering, Gergő</AuthEnty></rspStmt><prodStmt><software>https://www.vasp.at/    https://pypi.org/project/jahn-teller-dynamics/</software></prodStmt><distStmt><distrbtr source="archive">ARP</distrbtr><contact affiliation="Wigner Research Centre for Physics" email="toth.balazs@wigner.hu">Toth, Balazs</contact><depositr>Toth, Balazs</depositr><depDate>2025-07-31</depDate></distStmt><holdings URI="https://hdl.handle.net/21.15109/ARP/EXJKGL"/></citation><stdyInfo><subject><keyword xml:lang="en">Physics</keyword><keyword vocab="The Vienna Ab initio Simulation Package: atomic scale materials modelling from first principles." vocabURI="https://www.vasp.at/">VASP</keyword><keyword>dynamic Jahn-Teller effect</keyword><keyword>Point defect</keyword><keyword vocab="density functional theory">DFT</keyword><keyword>defect qubit</keyword></subject><abstract date="2025-12-05" xml:lang="en">This dataset accompanies the research article about Python code Exe.py that can be used to investigate E⊗e dynamic Jahn-Teller systems.</abstract><sumDscr><dataKind>VASP INCAR, OUTCAR, vasprun.xml, POSCAR etc. input/output files.</dataKind></sumDscr></stdyInfo><method><dataColl><sources/></dataColl><anlyInfo/></method><dataAccs><setAvail/><useStmt/></dataAccs><othrStdyMat/></stdyDscr><otherMat ID="f2158626" URI="https://repo.researchdata.hu/api/access/datafile/2158626" level="datafile"><labl>CH3O_radical.tar.gz</labl><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/gzip</notes></otherMat><otherMat ID="f2158625" URI="https://repo.researchdata.hu/api/access/datafile/2158625" 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