Synthesis, Characterization, and Thermal Kinetics of Mixed Gadolinium: Calcium Heptamolybdate System

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">IR band/cm<sup>−1</sup></td><td align="center">Assignments of bands/peaks</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">3404.2</td><td align="center">Water symmetry structure</td></tr><tr><td align="left">2329.63</td><td align="center">Presence of Si–H bond</td></tr><tr><td align="left">1776.63</td><td align="center">Attributed to water bending</td></tr><tr><td align="left">1497.57</td><td align="center">Vibration of oxygen ion for gadolinium</td></tr><tr><td align="left">837.63</td><td align="center">Vibrations of molybdate ions (Mo<sub>7</sub>O<sub>24</sub>)</td></tr><tr><td align="left">578.83</td><td align="center">Presence of metal oxygen bond</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Infrared band/peak assignments of some selected bands/peaks for mixed GdCa heptamolybdate (GdCaHM) crystal.

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Table 3

Table 3: Synthesis, Characterization, and Thermal Kinetics of Mixed Gadolinium: Calcium Heptamolybdate System 