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wangzhuo9736

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1.1 We are told in the text description that these are isostructural, however
these two compounds are also beautifully isomorphous, not just isostructural.

With isomorphous structures it would be preferable for the authors to have
chosen a common origin and labelling scheme for the two compounds.
Unfortunately this has not been completed here.  Also in neither of the
CIFs for compounds 1 or 2 do the reported coordinates correspond with fully
connected ligand sets.  This of course should be corrected for the structure
chosen as the one used as the common labelling and origin for the two
structures.  
The authors can take their SHELXL.ins file for the better of the two
complexes and use that (with appropriate cell and chemical type changes as suggested above)
as the input file for a new refinement of the other complex.  
This will then ensure that compounds 1 and 2 have a common origin,
labelling scheme and fully-connected ligand sets.

Please note that the re-numbering of the structures is not essential for acceptance.
1.2  We should be told in the descriptive text that the free water molecule
lies on a twofold axis.

1.3  It is not required to attempt to refine H-atoms coordinates and
Uiso values as presently reported for compound 2.   The authors could
have allowed for all the H atoms as riding, following the advice in the SHELXL manual which states:-  
  "For most purposes it is preferable to calculate the hydrogen positions
   according to well-established geometrical criteria and then adopt a
   refinement procedure which ensures that a sensible geometry is retained."
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xi2004

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1.1. Á½¸ö»¯ºÏÎïÖÐÏàÓ¦Ô­×ӵıêºÅÒª¸Ä³ÉÒ»ÖÂ, ¶øÇÒ×îºÃÑ¡Ôñcommon origin. ÕâÑùÀûÓڱȽÏ. ´ËÆäÒ».
   ÁíÍâ, ÒªÈÃÅäÌåÁ¬ÔÚÒ»Æð, ¶ø²»ÊÇÁãËéµÄ. ´ËÆä¶þ.
   ÁíÍâ, ÓÉÓÚÁ½¸ö»¯ºÏÎïÊÇisomorphous, ±à¼­½¨Òé¶ÔÆäÖÐÒ»¸ö»¯ºÏÎï×öÁËÒÔÉϵڶþµÄ¸Ä¶¯ºó,Ö±½Ó°Ñ¸ÄºÃµÄ.insÖеÄÔ­×Ó×ø±êµÈ¿½±´µ½ÁíÍâÒ»¸ö»¯ºÏÎïµÄ.insÖÐ. ÕâÑù¾ÍÄܱ£Ö¤µÚÒ»µã.

1.2. ½á¹¹ÃèÊöʱҪ˵Ã÷"the free water molecule lies on a twofold axis."

1.3. ompound 2µÄH¾Í²»ÒªrefineÁË,»­ÉßÌí×ãÁË.
xi2004-emuch@163.com
3Â¥2009-08-06 13:36:04
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gxsddxj

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wangzhuo9736(½ð±Ò+1,VIP+0): 8-6 12:18
1.1Á½¸öÅäºÏÎïÊÇͬ¹¹µÄ  Ó¦¸ÃÖØÐ¾«ÐÞһϠչʾ³öÅäÌåµÄÅäλµã
1.2Ó¦¸ÃÖ¸³öÅäλˮ·Ö×ÓλÓÚ twofold axis
1.3¶ÔÓÚÅäºÏÎïûÓбØÒª¾«ÐÞÇâÔ­×Ó
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fengqian2004

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