Data Item _coupling_constant_list.spectrometer_frequency

The operating proton frequency in MHz of the NMR spectrometer used to collect the data.

Data type code: float
Data type detail: int item types are the subset of numbers that are the floating numbers.
Primitive data type code: numb
Regular expression: -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
Values limited by enumeration list: no

Data Item _coupling_constant_list.spectrometer_frequency_1h