## NMR-STAR dictionary: database table: SystematicChemShiftOffset

Detailed description of the fields

### _Systematic_chem_shift_offset.Type (Type)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Type
Description | NMR-STAR name: _Systematic_chem_shift_offset.Type The kind of chemical shift offset that should be applied to all chemical shifts observed for a specific type of atom.
Database field name | Type
SQL Database type | VARCHAR(127)
Part of primary Key | yes
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Enumerations | [click for a list of enumerations] This is an open enumeration. The list of values are only suggestions. They are not enforced.
Prompt | Offset type
Examples | TROSY effect
Help text |

### _Systematic_chem_shift_offset.Atom_type (AtomType)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Atom_type
Description | NMR-STAR name: _Systematic_chem_shift_offset.Atom_type Select the type of atom that is affected by the systematic chemical shift offset. This may be a selected set of atoms or all atoms of a specific element. If more than one type of atom is affected, please enter multiple rows in the table, one for each type of atom.
Database field name | AtomType
SQL Database type | VARCHAR(15)
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Enumerations | [click for a list of enumerations] This is an open enumeration. The list of values are only suggestions. They are not enforced.
Prompt | Affected atom type
Examples | amide nitrogens
Help text |

### _Systematic_chem_shift_offset.Atom_isotope_number (AtomIsotopeNumber)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Atom_isotope_number
Description | NMR-STAR name: _Systematic_chem_shift_offset.Atom_isotope_number Isotope number for the specified atom.
Database field name | AtomIsotopeNumber
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Atom isotope number
Examples | 1
Help text |

### _Systematic_chem_shift_offset.Val (Val)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Val
Description | NMR-STAR name: _Systematic_chem_shift_offset.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.
Database field name | Val
SQL Database type | VARCHAR(15)
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Offset value
Examples | 0.75
Help text |

### _Systematic_chem_shift_offset.Val_err (ValErr)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Val_err
Description | NMR-STAR name: _Systematic_chem_shift_offset.Val_err Error in the reported chemical shift offset value used.
Database field name | ValErr
SQL Database type | VARCHAR(15)
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Offset value error
Examples | 0.0067
Help text |

### _Systematic_chem_shift_offset.Sf_ID (SfID)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Sf_ID
Description | NMR-STAR name: _Systematic_chem_shift_offset.Sf_ID Pointer to '_Assigned_chem_shift_list.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Assigned_chem_shift_list, Sf_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | yes This field's data is for internal use only and should be hidden in public versiond of the data.
Nulls allowed in database? | yes
Prompt | Sf ID
Examples | ?
Help text |

### _Systematic_chem_shift_offset.Entry_ID (EntryID)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Entry_ID
Description | NMR-STAR name: _Systematic_chem_shift_offset.Entry_ID Pointer to '_Entry.ID'
Database field name | EntryID
SQL Database type | CHAR(12)
Part of primary Key | yes
Foreign Key on table, column | Assigned_chem_shift_list, Entry_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Entry ID
Examples | ?
Help text |

### _Systematic_chem_shift_offset.Assigned_chem_shift_list_ID (AssignedChemShiftListID)

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NMR-STAR tag name | _Systematic_chem_shift_offset.Assigned_chem_shift_list_ID
Description | NMR-STAR name: _Systematic_chem_shift_offset.Assigned_chem_shift_list_ID Pointer to '_Assigned_chem_shift_list.ID'
Database field name | AssignedChemShiftListID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Assigned_chem_shift_list, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Assigned chem shift list ID
Examples | ?
Help text |