Exact or inexact (i.e. ranges or greater then/less than) formula can be entered.
Contraints can be added such as the formula applies to an individual molecule or to all molecules in the crystal structure, and other atoms, other than the ones specified are allowed or not.
Clicking on the Select from Table button produces the periodic table
Click on the desired elements or choose whole rows, columns or sets by clicking on the yellow boxes.
An extra erea at the bottom allows you to choose the atom count, either as an exact number, greater than, less than or a range.
The Query can be stored (by clicking on the Store button) or the search begun by clicking on the button. The Search Setup box should then appear where filters can be set up before finally searching the database.
Click on one of the buttons below to see the other Build Queries input forms:-
The formula of the hit can be seen by clicking on the Chemical tab.
Click on any of the tabs below to see the other windows of available data in the View Results screen.