 | Acta Crystallographica Section E Acta Crystallographica Section E CRYSTALLOGRAPHIC COMMUNICATIONS |
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![[Figure 4]](lh5872fig4mag.jpg)
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Figure 4
Overlay of two structures with molecules presented as capped sticks along the b axis. The previous monoclinic P21 polymorph with two molecules in the asymmetric unit is the small unit cell with all molecules colored in gray and ordered in a parallel layer arrangement. The new monoclinic P21 polymorph has four molecules in the asymmetric unit (colored red, blue, yellow and green). The colors are according to symmetry equivalence. While the blue and red pairs form exactly the same network layer as the polymorph reported by Görbitz & Dalhus (1996  ), it is evident that the green and yellow pairs have a different orientation, with an anti-parallel layer arrangement. |
![[Figure 4]](lh5872fig4.jpg)
| CRYSTALLOGRAPHIC COMMUNICATIONS |
ISSN: 2056-9890
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