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      CH3PH2BH3
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      Boron | 
       
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      Nuclear
Quadrupole Coupling Constants | 
       
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      in Methylphosphine  Borane | 
       
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            Table 1. Boron nqcc's
 in CH3PH2BH3 (MHz).  Calculation was made on the rs structure of Bryan and Kuczkowski [1]. 
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            Calc. | 
             
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            Expt. [2] 
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            11B | 
            Xaa | 
             
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            0.911 | 
             
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            0.975(11) 
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            Xbb | 
            - | 
            0.118 | 
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            0.104(12) 
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            Xcc | 
            - | 
            0.793 | 
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            0.872(12) 
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            |Xab| | 
             
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            1.125 | 
             
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            RMS 
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            0.059 (9.1 %) 
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            10B | 
            Xaa | 
             
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            1.811 | 
             
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            Xbb | 
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            0.167 | 
             
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            Xcc | 
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            1.644 | 
             
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            |Xab| | 
             
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            2.367 | 
             
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            Table 2. Boron nqcc's
 in CH3PH2BD3 (MHz).  Calculation was made on the rs structure of Bryan and Kuczkowski [1]. 
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            Calc. | 
             
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            Expt. [2] 
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            11B | 
            Xaa | 
             
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            1.006 | 
             
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            1.085(10) 
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            Xbb | 
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            0.213 | 
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            0.155(11) 
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            Xcc | 
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            0.793 | 
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            0.930(11) 
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            |Xab| | 
             
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            1.076 | 
             
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      RMS 
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      0.097 (13.4 %) 
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            10B | 
            Xaa | 
             
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            2.036 | 
             
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            Xbb | 
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            0.391 | 
             
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            Xcc | 
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            1.644 | 
             
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            |Xab| | 
             
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            2.260 | 
             
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      [1] P.S.Bryan and R.L.Kuczkowski, Inorg.Chem. 11,553(1972). | 
       
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      [2] W.Kasten, H.Dreizler, R.L.Kuczkowski, and M.Soltis LaBarge, Z.Naturforsch. 41a,835(1986). 
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       BH3NH3 | 
       BH3CO | 
       F3PBH3 | 
       (CH3)3NBH3 | 
       
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      Table of Contents | 
       
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      Molecules/Boron | 
       
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      CH3PH2BH3.html | 
    
    
       
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      Last
Modified 31 Oct 2008 | 
    
    
       
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