In InChIs of structures containing more than one component, is the ; separator necessary between information for components if one is empty?
Yes. Delimiters between components are kept if at least one connection table is not empty. Consider the InChI for Zn(CH2CH3)2. The chemical formula layer “2C2H5.Zn” shows us that the two ethyl groups will be considered first in all subsequent layers. The atom connection layer “c2*1-2;” which can be broken up into: • c – statement that this is the start of the atom connection layer. • 2* – statement that there are two identical components with the following atom connections. • 1-2 – atom with canonical number 1 is bonded to the atom with number 2. • ; – separator between the atom connection information for 2C2H5 and Zn. • empty string – statement that the component Zn has no atom connection information. In the case of a structure where no component contains any information for a particular layer (for instance the atom connection layer in CH3-Zn-CH2-Zn-CH3) the layer is omitted.
Related Questions
- In InChIs of structures containing more than one component, is the ; separator necessary between information for components if one is empty?
- Is it possible to use just the SECURITRE for ADABAS component of SECURITRE, and not use the components for securing NATURAL, Utilities, etc.?
- IS EXPERIENTIAL LEARNING A NECESSARY AND APPROPRIATE INSTRUCTIONAL COMPONENT OF HIGHER EDUCATION?
