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×î½ü¿´Á˼¸Æª×öÅäºÏÎïNLO¿ª¹ØµÄÎÄÏ×£¬ÎÄÏ×Öж¼ÓÐÌáµ½Ñõ»¯µçÊÆºÍ»¹ÔµçÊÆ£¬Í¨¹ý±È½ÏµçÊÆµÄ±ä»¯Ç÷ÊÆ£¬±ÈÈç½ðÊôµÄÑõ»¯µçÊÆµÄ´óС£¬¾Í¿ÉÒÔÍÆ¶Ï³öÓÉÓÚÆäHOMO¹ìµÀ²»Îȶ¨£¬´Ó¶øÊ¹½ðÊôÀë×ÓÖÐÐÄÒ×ÓÚ±»Ñõ»¯£¨In the previously reported series 1-4, the RuIII/II E1/2 value increases very slightly with the electron-accepting ability of R, but no corresponding trend is observed in the new series 5-7,indicating that the Ru-based HOMO is not significantly coupled to the pyd unit in these extended species. The sequential addition of electron-rich vinyl units to LA destabilizes the HOMO and makes the RuII center progressively easier to oxidize£©¡£¶ÔÕâÒ»µã²»Ì«Ã÷°×£¬ÎªÊ²Ã´Í¨¹ý±È½ÏE¾ÍÄÜÖªµÀ½ðÊô±»Ñõ»¯µÄÄÑÒ׳̶ȣ¬ÊDz»ÊÇEֵԽСԽÈÝÒ×Ñõ»¯ÄØ£¬»¹ÓеçÊÆµÄ´óСÓëÅäºÏÎïµÄNLOÖ®¼äÓÖÓÐʲô¹ØÏµÄØ£¿ µÚ¶þµã£¬Í¨¹ý¼ÆËã¿ÉÒԵõ½ÅäºÏÎïµÄ¦¤G£¬ÀûÓÃÕâ¸ö¦¤GÊÇÔõô¼ÆËãÇóµÃEµÄÄØ£¬¾ÍÊÇÕâ¶Î»°£ºThe free energy change associated with the reference normal hydrogen electrode halfreaction has been recalculated to be -4.36 V.33 So the reference saturated calomel electrode (SCE) should be -4.60 V. When the Nernst equation E¡ã ) -¦¤G¡ã/nF is combined with the reference value -4.60 V, the reduction potentials (Ecal) can be predicted. ¶ÔÑõ»¯»¹ÔÓкܶàÀ§»ó£¬¿ÏÇó¸ßÊÖÖ¸µã£¬Ð»Ð»£¡ |
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