Synthesis, Structure and Catalytic Activity of ... - Jacobs University

Chapter II Experimental Details
2.1 Instrumentation 39
2.1.1 Single crystal X-ray diffractometry 39
2.1.2 Fourier transform infrared spectroscopy 39
2.1.3 Thermogravimetry 40
2.1.4 Nuclear magnetic resonance spectroscopy 40
2.2 Synthesis of POM precursors 40
2.2.1 Trilacunary Keggin POM precursors 40
2.2.1.1 Na10[A-α-GeW9O34].23H2O 40
2.2.1.2 Na9[A-α-PW9O34].7H2O 41
2.2.2 Lone pair containing POM precursors 41
2.2.2.1 Na9[B-α-AsW9O33].27H2O 41
2.2.2.2 Na9[B-α-SbW9O33].27H2O 41
2.2.2.3 Na9[B-α-BiW9O33].16H2O 42
2.2.3 Hexavacant Wells-Dawson precursors 42
2.2.3.1 K6[α-P2W18O62]. 20H2O 42
2.2.3.2 K12[α-H2P2W12O48].24H2O 43
2.2.4 Eicosatungstodiarsenate Anion, K 14[As 2W 19O 67(H 2O)].20H 2O 43
2.3 References 43
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