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  ______     ___     _    _    __   __    ______  
 /_   _//   / _ \\  | \  / ||  \ \\/ //  /_   _// 
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Text this: Solid state synthesis and self-focusing and nonlinear absorptive properties of two butterfly-shaped clusters WCu2OS3(PPh3)4 and MoCu2OS3(PPh3)3