Polymorphs of Tolfenamic Acids: Stability Analysis Using Cluster Method

<div>Many-molecule cluster of forms I and II. (a) Cluster of form I with 10 molecules and (b) cluster of form II with 9 molecules. For clarity, the center molecules are displayed with ball-and-stick form, while the neighboring molecules are in wireframe form.</div>

Physics Research International

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Figure 2

Figure 2: Polymorphs of Tolfenamic Acids: Stability Analysis Using Cluster Method 