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budong0915

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ͨ¹ýµÍÎÂÈÛÑη¨ºÏ³ÉÁËÒ»ÖÖÐÂÐÍÎåÅðËáÑÎRbB5O7(OH)2.H2O£¬µ¥¾§XÉäÏßÑÜÉä·ÖÎöÖ¤Ã÷¸Ã»¯ºÏÎïÊôµ¥Ð±¾§Ïµ£¬P2/n¿Õ¼äȺ£¬a=0.7640(2)nm£¬b=0.9019(3)nm£¬c=1.0833(3)nm£¬¦Â=103.681(5)¡ã£¬V=0.7252(4) nm3£¬Z=2¡£½á¹¹ÖУ¬BO3¡¢BO2(OH)2ÓëBO4Á¬½ÓÐγɵÄ[B5O7(OH)2]-µ¥ÔªÏ໥Á¬½ÓÐγÉÎÞÏÞµÄÁ´×´½á¹¹£¬Á´×´½á¹¹ÔÙͨ¹ýÊ®ÅäλµÄï¨Àë×ÓÁ¬½ÓÐγÉRbB5O7(OH)2.H2OµÄÈýÎ¬Íø×´½á¹¹¡£Í¬Ê±Í¨¹ýX·Û¾§ÑÜÉä¡¢ºìÍâ¹âÆ×¡¢ÈÈÖØµÈ¶Ô»¯ºÏÎï½øÐÐÁ˱íÕ÷¡£
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[ Last edited by budong0915 on 2011-11-28 at 15:49 ]

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xiaohanhan2007

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sltmac(½ð±Ò+1): 2011-11-28 17:14:52
budong0915(½ð±Ò+10, ·­ÒëEPI+1): 2011-12-01 12:50:59
ÒýÓûØÌû:
1Â¥: Originally posted by budong0915 at 2011-11-28 13:31:41:
ÐÂÐÍÎåÅðËáÑεÄÈÛÑκϳɼ°½á¹¹±íÕ÷
ͨ¹ýµÍÎÂÈÛÑη¨ºÏ³ÉÁËÒ»ÖÖÐÂÐÍÎåÅðËáÑÎRbB5O7(OH)2.H2O£¬µ¥¾§XÉäÏßÑÜÉä·ÖÎöÖ¤Ã÷¸Ã»¯ºÏÎïÊôµ¥Ð±¾§Ïµ£¬P2/n¿Õ¼äȺ£¬a=0.7640(2)nm£¬b=0.9019(3)nm£¬c=1.0833(3)nm£¬¦Â=103.681(5 ...

A novel Rb borate RbB5O7(OH)2.H2O has been synthesized by the low-temperature molten salt method, which has been analyzed and demonstrated to crystallize in the space group of P2/n in the monoclinic system with the following crystal parameters by the single crystal X-ray diffraction: a=0.7640(2)nm£¬b=0.9019(3)nm£¬c=1.0833(3)nm£¬¦Â=103.681(5)¡ã£¬V=0.7252(4) nm3£¬Z=2. Besides, the crystal structure shows that the [B5O7(OH)2]- units composed of BO3¡¢BO2(OH) and BO4 interconnect and form infinite chains, which then forms a 3D net structure of RbB5O7(OH)2.H2O with ten-coordinated Rb cations. Meanwhile, the compound has also been characterized by XRD, IR and TGA.

low-temperature molten salt method; Rb borates; single crystal structures; chain structures
2Â¥2011-11-28 16:45:32
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