Seems to make sense, depict metals at as co-linear rather than bent.

johnmay · johnmay · commit 40f5c8362fc7 · 2019-07-28T13:50:25.000+01:00
diff --git a/tool/sdg/src/main/java/org/openscience/cdk/layout/AtomPlacer.java b/tool/sdg/src/main/java/org/openscience/cdk/layout/AtomPlacer.java
@@ -25,6 +25,7 @@
 
 import com.google.common.collect.FluentIterable;
 import org.openscience.cdk.CDKConstants;
+import org.openscience.cdk.config.Elements;
 import org.openscience.cdk.exception.CDKException;
 import org.openscience.cdk.geometry.BondTools;
 import org.openscience.cdk.geometry.GeometryUtil;
@@ -941,6 +942,10 @@ public int compare(Integer a, Integer b) {
      * -N=[N+]=N
      */
     static boolean isColinear(IAtom atom, Iterable<IBond> bonds) {
+
+        if (Elements.isMetal(atom))
+            return true;
+
         int numSgl = atom.getImplicitHydrogenCount() == null ? 0 : atom.getImplicitHydrogenCount();
         int numDbl = 0;
         int numTpl = 0;
