Tag category Systematic_chem_shift_offset
Key tags (columns):
Tags in table Systematic_chem_shift_offset:
| Tag | Description | data type | Mandatory |
|---|---|---|---|
| Assigned_chem_shift_list_ID | Pointer to '_Assigned_chem_shift_list.ID' | int | yes |
| Atom_isotope_number | Mass number for the atom defined by the '.Atom_type' tag with a systematic chemical shift offset. | int | |
| Atom_type | The kind of atom to which the chemical shift offset value applies. | line | yes |
| Entry_ID | Pointer to '_Entry.ID' | code | yes |
| Sf_ID | Pointer to '_Assigned_chem_shift_list.Sf_ID' | int | yes |
| Type | The kind of chemical shift offset that should be applied to all chemical shifts observed for a specific type of atom. | line | yes |
| Val | Chemical shift value that has been applied to all of the reported chemical shifts to bring their values in line with values expected to be observed for the chemical shift referencing that was used. | float | yes |
| Val_err | Error in the reported chemical shift offset value used. | float | |