## NMR-STAR dictionary: database table: SpectralDim

Detailed description of the fields

### _Spectral_dim.ID (SpectralDimID)

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NMR-STAR tag name | _Spectral_dim.ID
Description | NMR-STAR name: _Spectral_dim.ID An integer value that specifies the dimension of a multidimensional NMR spectrum.
Database field name | SpectralDimID
SQL Database type | INTEGER
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
Prompt | Spectral dim ID
Examples | 2
Help text |

### _Spectral_dim.Atom_type (AtomType)

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NMR-STAR tag name | _Spectral_dim.Atom_type
Description | NMR-STAR name: _Spectral_dim.Atom_type The value for this tag is a standard IUPAC abbreviation for an element (i.e., H, C, P, etc).
Database field name | AtomType
SQL Database type | VARCHAR(15)
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
Prompt | Atom type
Examples | C
Help text |

### _Spectral_dim.Atom_isotope_number (AtomIsotopeNumber)

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NMR-STAR tag name | _Spectral_dim.Atom_isotope_number
Description | NMR-STAR name: _Spectral_dim.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? | yes
Prompt | Atom isotope number
Examples | 13
Help text |

### _Spectral_dim.Spectral_region (SpectralRegion)

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NMR-STAR tag name | _Spectral_dim.Spectral_region
Description | NMR-STAR name: _Spectral_dim.Spectral_region A code defining the type of nuclei that would be expected to be observed in the spectral region observed in the dimension of the spectrum.
Database field name | SpectralRegion
SQL Database type | VARCHAR(31)
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
Prompt | Spectral region
Examples | CA
Help text |

### _Spectral_dim.Magnetization_linkage_ID (MagnetizationLinkageID)

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NMR-STAR tag name | _Spectral_dim.Magnetization_linkage_ID
Description | NMR-STAR name: _Spectral_dim.Magnetization_linkage_ID The magnetization linkage ID is used to designate dimensions of a multidimensional NMR experiment where the nuclei observed in the dimensions are directly linked by a one bond scalar coupling. For example, the amide proton and amide nitrogen in an 1H-15N HSQC experiment.
Database field name | MagnetizationLinkageID
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 | Magentization linkage ID
Examples | 1
Help text |

### _Spectral_dim.Sweep_width (SweepWidth)

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NMR-STAR tag name | _Spectral_dim.Sweep_width
Description | NMR-STAR name: _Spectral_dim.Sweep_width The width of the spectral window observed in Hz.
Database field name | SweepWidth
SQL Database type | FLOAT
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 | Sweep width
Examples | 6132.234
Help text |

### _Spectral_dim.Encoding_code (EncodingCode)

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NMR-STAR tag name | _Spectral_dim.Encoding_code
Description | NMR-STAR name: _Spectral_dim.Encoding_code Code describing how information from one spectral dimension has been encoded in another dimension in for example a reduced dimensionality experiment.
Database field name | EncodingCode
SQL Database type | VARCHAR(31)
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 | Encoding code
Examples | CO in CA
Help text |

### _Spectral_dim.Encoded_source_dimension_ID (EncodedSourceDimensionID)

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NMR-STAR tag name | _Spectral_dim.Encoded_source_dimension_ID
Description | NMR-STAR name: _Spectral_dim.Encoded_source_dimension_ID The spectral dimension in a reduced dimensionality experiment that is the source of the magnetization that has been encoded.
Database field name | EncodedSourceDimensionID
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 | Encoded source dimension ID
Examples | 3
Help text |

### _Spectral_dim.Sf_ID (SfID)

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NMR-STAR tag name | _Spectral_dim.Sf_ID
Description | NMR-STAR name: _Spectral_dim.Sf_ID Pointer to '_Spectral_peak_list.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Spectral_peak_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 |

### _Spectral_dim.Entry_ID (EntryID)

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NMR-STAR tag name | _Spectral_dim.Entry_ID
Description | NMR-STAR name: _Spectral_dim.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 | Spectral_peak_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 |

### _Spectral_dim.Spectral_peak_list_ID (SpectralPeakListID)

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NMR-STAR tag name | _Spectral_dim.Spectral_peak_list_ID
Description | NMR-STAR name: _Spectral_dim.Spectral_peak_list_ID Pointer to '_Spectral_peak_list.ID'
Database field name | SpectralPeakListID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Spectral_peak_list, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Spectral peak list ID
Examples | ?
Help text |