Transition Metal Squarates I. Chain Structures M (C<sub>4</sub>O<sub>4</sub>) · 4 H<sub>2</sub>O
The transition metal squarates M(C 4 O 4 ) · 4 H 2 O (M 2+ = Mn 2+ , Fe 2+ , Co 2+ . Ni 2+ , and Zn 2+ ) are isotypic. They crystallize monoclinically, space group Ce-Cf, and co...