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# OMEGA

> Array that specifies the desired frequencies of the incident// radiation field in CCLR calculations. If only one element is// given, the units will be assumed to be atomic units. If more// than one element is given, then the units must be specified as the final// element of the array. Acceptable units are `HZ`, `NM`, `EV`, and `AU`.

> - Type: array
> - Default: No Default

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