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42 Chapter 3<br />
Ru-nodes. Therefore, relatively reduced Ru-content is observed in the sample 1_ex. This<br />
kind of observation is mostly likely related to two possibilities: i) the strong stirring<br />
during the washing procedure; ii) slower substitution kinetics on the acetate coordinated<br />
Ru2 II,III -PW centers in comparison with Cu2-PW centers (rapid substitution kineties).<br />
Table 3.2. The obtained elemental analysis data and the calculated formula of 1-4_ex after solvent<br />
exchange. BTC = 1,3,5-benzenetricarboxylate, H 3 BTC = 1,3,5-benzenetricarboxylic acid, AcO =<br />
acetate, AcOH = acetic acid, PivOH =pivalic acid.<br />
Samples and Formula wt% C wt% H wt% Cl wt% F wt% Ru<br />
1_ex<br />
[Ru 3 (BTC) 2 Cl(AcO) 0.5 ] n·(AcOH) 1.5 (<br />
H 3 BTC) 0.1 (H 2 O) 4<br />
2-ex<br />
[Ru 3 (BTC) 2 Cl 1.2 (OH) 0.3 ] n·(H 3 BTC)<br />
0.15(AcOH) 2.4 (PivOH) 0.45<br />
3_ex<br />
[Ru 3 (BTC) 2 F 0.7 (OH) 0.8 ] n·(AcOH) 2.4<br />
(H 3 BTC) 0.5 (H 2 O) 3<br />
4_ex<br />
[Ru 3 (BTC) 2 (OH) 1.5 ] n·(H 3 BTC) 0.8 (A<br />
cOH) 1.4 (H 2 O) 3<br />
Found 27.26 1.65 3.41 - 30.45<br />
Cal. 28.5 2.31 3.67 - 31.40<br />
Found 31.57 2.11 4.16 - 29.27<br />
Cal. 32.14 2.18 4.31 - 30.73<br />
Found 29.28 1.28 - 1.09 24.18<br />
Cal. 31.30 2.44 - 1.27 29.90<br />
Found 32.15 1.60 - - 26.64<br />
Cal. 32.05 2.30 - - 28.90<br />
Figure 3.11. SEM image and the EDX elemental Ru- and Cl-map of the 1_ex sample.