Chemistry
This menu includes a set of chemistry field related settings:
General
The General settings include the followings:
Isotopic parent
If ON isotopic structures are registered as different parent compounds, otherwise these are registered as new versions of the normalized structure to the same parent compound.
Atropisomer differentiation (since version 20.8.0-2005111440)
If ON atropisomer structures can be registered as separate parent compounds, otherwise different atropisomers will be registered under the same parent.
Positive charge
Controls whether the check for the structures with positive charges (where structure-salt proton transfer can occur) should be enabled.
Balanced charge
Controls whether the check for unbalanced charges should be enabled.
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The General Chemistry Settings |
Salts & Solvates
The list of Salts and Solvates contained by the dictionary are displayed here. New salts/solvates can be added from here one by one and unused salts/solvates can be deleted. For uploading a list of salt and/or solvates use the Upload page.
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The Salt and Solvate settings page |
On the Settings card, you can set the appearance of the Salt/Solvate panel, the rounding of the parent multiplicity, and the salt/solvate multiplicity fractional precision.
How to add a salt or solvate:
Click on the Add salt button.
Draw or import the structure of the salt/solvate and set a name for it.
Add salt by drawing
Click on the Add salt button.
In case of success, we will be informed about the received ID of the salt or solvate.
How to delete a salt or solvate:
From version
19.20.0-1910071220
it is possible to delete unused salts/solvates.
Choose one or more of the unused salts/solvates to be deleted.
- Salts/solvates that are currently in use by the system cannot be deleted. A salt/solvate is considered to be used in the following cases:
A registered compound contains it.
A deleted compound contained it.
- A salt/solvate is considered to be unused and can be deleted:
It has never been used.
Registration of the compound with this salt/solvate failed and it is in the staging area.
It has been removed during amendment from all of the compounds that contained it.
Click to the Delete selected button.
Delete unused salts
Click to Proceed to confirm deletion.
Standardizer
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The default general and parent Standardizer configurations |
The list of available standardizer actions is available here .
Structure Checker
Two categories of structure checkers are found in the Registration system:
Quality Checkers are always running
Source-based checkers (optionally) can be set for a given source to be used during the registration.
These checkers can run as warnings (in the "do_not_fix" mode) or, if available they can be set to fix the structural problems. You can find more details on the Structure Checker and Structure Fixer page.
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The Quality Checkers and the Source-based Structure Checker settings page |
Stereo Analyzer
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The default Stereo Analyzer Configuration (it will be improved) |
