CheckCIF-PLAT751-758
PLAT751 Type_4 Test for senseless Bond s.u. in CIF
An s.u. should not be given in the CIF for constrained distances. Please check for proper refinement status flags (e.g. R).
(http://journals.iucr.org/services/cif/checking/PLAT751.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
PLAT752 Type_4 Test for senseless Angle s.u. in CIF
An s.u. should not be given in the CIF for constrained angles. Please check for proper refinement status flags (e.g. R)
(http://journals.iucr.org/services/cif/checking/PLAT752.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
PLAT753 Type_4 Test for senseless Torsion s.u. in CIF
An s.u. should not be given in the CIF for constrained torsion angles. Please check for proper refinement status flags (e.g. R)
(http://journals.iucr.org/services/cif/checking/PLAT753.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
PLAT754 Type_4 Test for senseless Contact Distance s.u. in CIF
An s.u. should not be given in the CIF for constrained contact distances. Please check for proper refinement status flags (e.g. R)
(http://journals.iucr.org/services/cif/checking/PLAT754.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
PLAT755 Type_4 Test for senseless H-Bond D-H distance s.u. in CIF
An s.u. should not be given in the CIF for constrained distances. Please check for proper refinement status flags (e.g. R)
(http://journals.iucr.org/services/cif/checking/PLAT755.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
PLAT756 Type_4 Test for senseless H-Bond H..A Distance s.u. in CIF
An s.u. should not be given in the CIF for constrained distances. Please check for proper refinement status flags (e.g. R)
(http://journals.iucr.org/services/cif/checking/PLAT756.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
PLAT757 Type_4 Test for senseless H-Bond D..A Distance s.u. in CIF
An s.u. should not be given in the CIF for constrained distances. Please check for proper refinement status flags (e.g. R)
(http://journals.iucr.org/services/cif/checking/PLAT757.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
PLAT758 Type_4 Test for Senseless H-Bond D-H..A Angle s.u. in CIF
An s.u. should not be given in the CIF for constrained angles. Please check for proper refinement status flags (e.g. R)
(http://journals.iucr.org/services/cif/checking/PLAT758.html)
解决策略：几个的话可以删掉，如果很多的话，说明结构解析有问题。
