Atom_RestrictRingBondCount Property

CDXML Name:RingBondCount
CDX Constant Name:kCDXProp_Atom_RestrictRingBondCount
CDX Constant Value:0x0425
Data Size:INT8
Property of objects:kCDXObj_Node
First written/read in:ChemDraw 4.0


The number of ring bonds attached to an atom.

If posed as a structure query in some database, this atom should not match only those atoms with the specified number of ring bonds.

The value stored in this property exactly corresponds to the Ring Bond Count property in ISIS.

This is an enumerated property. Acceptible values are shown in the following list:
Value CDXML Name Description
-1 Unspecified Unspecified number of ring bonds
0 NoRingBonds Exactly 0 ring bonds
1 AsDrawn Ring bonds as drawn
2 SimpleRing Exactly 2 ring bonds
3 Fusion Exactly 3 ring bonds
4 SpiroOrHigher 4 or more ring bonds

If this property is absent:

The number of ring bonds is unspecified.


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