Heitler-London Calculation on the Bonding of Oxygen to Hemoglobin. : II. Explanation of the Diamagnetism of Oxyhemoglobin for the Parallel Arrangement of O_2 to the Heme
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概要
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Calculation is carried out for all the triplet and quintet states arising from the low lying terms of the ferrous heme iron atom and those of the oxygen molecule. The charge transfer configurations of ionic structures, Fe^<3+>-O_2^- and Fe^+-O_2^+, are also taken into account. The results are compared with those for the singlet and septet states calculated previously. If the value of an unknown splitting energy between u and υ orbitals is estimated to be 4,000cm^<-1> or more, the singlet state composed mainly of ^3E and ~3Σ_g^- terms (triplet-triplet binding) becomes the lowest in energy at short distances between the heme and the oxygen molecule. Thus, the diamagnetism of oxyhemoglobin can be explained theoretically on the basis of the electronic structures of the hemes determined by the ligand field theory.
- 社団法人日本物理学会の論文
- 1973-09-05
著者
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Matsuoka Osamu
Laboratory Of Applied Physics The University Of Electro-communications
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SENO Yasunobu
Department of Physics, Faculty of Science, Nagoya University
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OTSUKA Jinya
Department of Applied Biological Sience, Faculty of Science and Technology,Science University of Tok
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FUCHIKAMI Nobuko
Department of physics, Faculty of Science, Tokyo Metropolitan University
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Otsuka Jinya
Department Of Applied Biological Sience Faculty Of Science And Technology Science University Of Toky
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Otsuka Jinya
Department Of Applied Biological Science Science University Of Tokyo
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Seno Yasunobu
Department Of Physics Faculty Of Science Nagoya University
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Seno Yasunobu
Department Of Physics Faculty Of Engineering Science Osaka University
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Fuchikami N
Tokyo Metropolitan Univ. Tokyo
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Fuchikami Nobuko
Department Of Physics Faculty Of Science Tokyo Metropolitan University
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MATSUOKA Osamu
Laboratory of Applied Physics, The University of Electro-Communications
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