Version | Revision Date | Revision Description |
---|---|---|
1.0.4 | 2011-04-05 | Changes (JDW): + Make all key items mandatory - |
1.0.3 | 2007-05-28 | Changes (JDW): + adjust data types for parent-child consistencies. |
1.0.2 | 2004-08-08 | Changes (JDW): + miscellaneous corrections in syntax |
1.0.1 | 2004-04-16 | Changes (JDW): + miscellaneous corrections in syntax + removed cyclic parent-child relationships |
1.0.0 | 2001-01-19 | Released by MDB project team. GSK Geneva. Last update 19/01/2001 |
Data Type Code | Primitive Type Code | Regular Expression | Description |
---|---|---|---|
any | char | .* | A catch all for items that may take any form... |
atcode | char | [][ _(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]* | Character data type for atom names ... |
code | char | [_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]* | code item types/single words ... |
float | numb | -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)? | int item types are the subset of numbers that are the floating numbers. |
idname | uchar | [_A-Za-z0-9]+ | idname item types take the form... |
int | numb | -?[0-9]+ | int item types are the subset of numbers that are the negative or positive integers. |
line | char | [][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]* | char item types / multi-word items ... |
name | uchar | _[_A-Za-z0-9]+\.[][_A-Za-z0-9%-]+ | name item types take the form... |
symop | char | ([1-9]|[1-9][0-9]|1[0-8][0-9]|19[0-2])(_[1-9][1-9][1-9])? | symop item types take the form n_klm, where n refers to the symmetry operation that is applied to the coordinates in the ATOM_SITE category identified by _atom_site_label. It must match a number given in _symmetry_equiv_pos_site_id. k, l, and m refer to the translations that are subsequently applied to the symmetry transformed coordinates to generate the atom used. These translations (x,y,z) are related to (k,l,m) by k = 5 + x l = 5 + y m = 5 + z By adding 5 to the translations, the use of negative numbers is avoided. |
text | char | [][ \n\t()_,.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]* | text item types / multi-line text ... |
uchar1 | uchar | [+]?[A-Za-z0-9] | data item for 1 character codes |
uchar3 | uchar | [+]?[A-Za-z0-9][A-Za-z0-9][A-Za-z0-9] | data item for 3 character codes |
ucode | uchar | [_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]* | code item types/single words (case insensitive) ... |
uline | uchar | [][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]* | char item types / multi-word items (case insensitive)... |
yyyy-mm-dd | char | [0-9]?[0-9]?[0-9][0-9]-[0-9]?[0-9]-[0-9][0-9] | Standard format for CIF dates. |
SubCategory Identifier | Description |
---|---|
cartesian_coordinate | The collection of x, y, and z components of a position specified with reference to a Cartesian (orthogonal angstrom) coordinate system. |
cartesian_coordinate_esd | The collection of estimated standard deviations of the x, y, and z components of a position specified with reference to a Cartesian (orthogonal angstrom) coordinate system. |
cell_angle | The collection of alpha, beta, and gamma angles of a unit cell. |
cell_angle_esd | The collection of estimated standard deviations of the alpha, beta, and gamma angles of a unit cell. |
cell_length | The collection of a, b, and c axis lengths of a unit cell. |
cell_length_esd | The collection of estimated standard deviations of the a, b, and c axis lengths of a unit cell. |
fractional_coordinate | The collection of x, y, and z components of a position specified with reference to unit cell directions. |
fractional_coordinate_esd | The collection of estimated standard deviations of the x, y, and z components of a position specified with reference to unit cell directions. |
matrix | The collection of elements of a matrix. |
miller_index | The collection of h, k, and l components of the Miller index of a reflection. |
mm_atom_site_auth_label | The collection of asym id, atom id, comp id and seq id components of an author's alternative specification for a macromolecular atom site. |
mm_atom_site_label | The collection of alt id, asym id, atom id, comp id and seq id components of the label for a macromolecular atom site. |
vector | The collection of elements of a vector. |
Units Identifier | Description |
---|---|
8pi2_angstroms_squared | 8pi2 * angstroms squared (meters * 10(-10))2 |
angstroms | angstroms (meters * 10(-10)) |
angstroms_cubed | angstroms cubed (meters * 10(-10))3 |
angstroms_squared | angstroms squared (meters * 10(-10))2 |
arbitrary | arbitrary system of units. |
celsius | degrees (of temperature) Celsius |
centimetres | centimetres (meters * 10( -2)) |
degrees | degrees (of arc) |
degrees_per_minute | degrees (of arc) per minute |
electrons | electrons |
electrons_per_angstroms_cubed | electrons per angstroms cubed (meters * 10(-10))3 |
electrons_per_nanometres_cubed | electrons per nanometres cubed (meters * 10( -9))3 |
electrons_per_picometres_cubed | electrons per picometres cubed (meters * 10(-12))3 |
electrons_squared | electrons squared |
femtometres | femtometres (meters * 10(-15)) |
femtoseconds | femtoseconds |
gigapascals | gigapascals |
hours | hours |
kelvins | degrees (of temperature) Kelvin |
kilocalories | kilocalories |
kilocalories_per_mole_angstroms | kilocalories per moles per angstroms |
kilocalories_per_mole_nanometres | kilocalories per moles per nanometres |
kilocalories_per_moles | kilocalories per moles |
kilojoules | kilojoules |
kilojoules_per_mole_angstroms | kilojoules per moles per angstroms |
kilojoules_per_mole_nanometres | kilojoules per moles per nanometres |
kilojoules_per_moles | kilojoules per moles |
kilopascals | kilopascals |
kilovolts | kilovolts |
kilowatts | kilowatts |
microseconds | microseconds |
milliamperes | milliamperes |
millimetres | millimetres (meters * 10( -3)) |
minutes | minutes |
moles | moles |
nanometres | nanometres (meters * 10( -9)) |
nanometres_cubed | nanometres cubed (meters * 10( -9))3 |
nanometres_squared | nanometres squared (meters * 10( -9))2 |
picometres | picometres (meters * 10(-12)) |
picometres_cubed | picometres cubed (meters * 10(-12))3 |
picometres_squared | picometres squared (meters * 10(-12))2 |
picoseconds | picoseconds |
reciprocal_angstroms | reciprocal angstroms (meters * 10(-10)-1) |
reciprocal_centimetres | reciprocal centimetres (meters * 10( -2)-1) |
reciprocal_millimetres | reciprocal millimetres (meters * 10( -3)-1) |
reciprocal_nanometres | reciprocal nanometres (meters * 10( -9)-1) |
reciprocal_picometres | reciprocal picometres (meters * 10(-12)-1) |
seconds | seconds |
From Units&Identifier | To Units&Identifier | Operator | Conversion Factor |
---|---|---|---|
centimetres | millimetres | * | 1.0E+01 |
centimetres | nanometres | * | 1.0E+07 |
centimetres | angstroms | * | 1.0E+08 |
centimetres | picometres | * | 1.0E+10 |
centimetres | femtometres | * | 1.0E+13 |
millimetres | centimetres | * | 1.0E-01 |
millimetres | nanometres | * | 1.0E+06 |
millimetres | angstroms | * | 1.0E+07 |
millimetres | picometres | * | 1.0E+09 |
millimetres | femtometres | * | 1.0E+12 |
nanometres | centimetres | * | 1.0E-07 |
nanometres | millimetres | * | 1.0E-06 |
nanometres | angstroms | * | 1.0E+01 |
nanometres | picometres | * | 1.0E+03 |
nanometres | femtometres | * | 1.0E+06 |
angstroms | centimetres | * | 1.0E-08 |
angstroms | millimetres | * | 1.0E-07 |
angstroms | nanometres | * | 1.0E-01 |
angstroms | picometres | * | 1.0E+02 |
angstroms | femtometres | * | 1.0E+05 |
picometres | centimetres | * | 1.0E-10 |
picometres | millimetres | * | 1.0E-09 |
picometres | nanometres | * | 1.0E-03 |
picometres | angstroms | * | 1.0E-02 |
picometres | femtometres | * | 1.0E+03 |
femtometres | centimetres | * | 1.0E-13 |
femtometres | millimetres | * | 1.0E-12 |
femtometres | nanometres | * | 1.0E-06 |
femtometres | angstroms | * | 1.0E-05 |
femtometres | picometres | * | 1.0E-03 |
reciprocal_centimetres | reciprocal_millimetres | * | 1.0E-01 |
reciprocal_centimetres | reciprocal_nanometres | * | 1.0E-07 |
reciprocal_centimetres | reciprocal_angstroms | * | 1.0E-08 |
reciprocal_centimetres | reciprocal_picometres | * | 1.0E-10 |
reciprocal_millimetres | reciprocal_centimetres | * | 1.0E+01 |
reciprocal_millimetres | reciprocal_nanometres | * | 1.0E-06 |
reciprocal_millimetres | reciprocal_angstroms | * | 1.0E-07 |
reciprocal_millimetres | reciprocal_picometres | * | 1.0E-09 |
reciprocal_nanometres | reciprocal_centimetres | * | 1.0E+07 |
reciprocal_nanometres | reciprocal_millimetres | * | 1.0E+06 |
reciprocal_nanometres | reciprocal_angstroms | * | 1.0E-01 |
reciprocal_nanometres | reciprocal_picometres | * | 1.0E-03 |
reciprocal_angstroms | reciprocal_centimetres | * | 1.0E+08 |
reciprocal_angstroms | reciprocal_millimetres | * | 1.0E+07 |
reciprocal_angstroms | reciprocal_nanometres | * | 1.0E+01 |
reciprocal_angstroms | reciprocal_picometres | * | 1.0E-02 |
reciprocal_picometres | reciprocal_centimetres | * | 1.0E+10 |
reciprocal_picometres | reciprocal_millimetres | * | 1.0E+09 |
reciprocal_picometres | reciprocal_nanometres | * | 1.0E+03 |
reciprocal_picometres | reciprocal_angstroms | * | 1.0E+01 |
nanometres_squared | angstroms_squared | * | 1.0E+02 |
nanometres_squared | picometres_squared | * | 1.0E+06 |
angstroms_squared | nanometres_squared | * | 1.0E-02 |
angstroms_squared | picometres_squared | * | 1.0E+04 |
angstroms_squared | 8pi2_angstroms_squared | * | 78.9568 |
picometres_squared | nanometres_squared | * | 1.0E-06 |
picometres_squared | angstroms_squared | * | 1.0E-04 |
nanometres_cubed | angstroms_cubed | * | 1.0E+03 |
nanometres_cubed | picometres_cubed | * | 1.0E+09 |
angstroms_cubed | nanometres_cubed | * | 1.0E-03 |
angstroms_cubed | picometres_cubed | * | 1.0E+06 |
picometres_cubed | nanometres_cubed | * | 1.0E-09 |
picometres_cubed | angstroms_cubed | * | 1.0E-06 |
kilopascals | gigapascals | * | 1.0E-06 |
gigapascals | kilopascals | * | 1.0E+06 |
hours | minutes | * | 6.0E+01 |
hours | seconds | * | 3.6E+03 |
hours | microseconds | * | 3.6E+09 |
minutes | hours | / | 6.0E+01 |
minutes | seconds | * | 6.0E+01 |
minutes | microseconds | * | 6.0E+07 |
seconds | hours | / | 3.6E+03 |
seconds | minutes | / | 6.0E+01 |
seconds | microseconds | * | 1.0E+06 |
microseconds | hours | / | 3.6E+09 |
microseconds | minutes | / | 6.0E+07 |
microseconds | seconds | / | 1.0E+06 |
celsius | kelvins | - | 273.0 |
kelvins | celsius | + | 273.0 |
electrons_per_nanometres_cubed | electrons_per_angstroms_cubed | * | 1.0E-03 |
electrons_per_nanometres_cubed | electrons_per_picometres_cubed | * | 1.0E-09 |
electrons_per_angstroms_cubed | electrons_per_nanometres_cubed | * | 1.0E+03 |
electrons_per_angstroms_cubed | electrons_per_picometres_cubed | * | 1.0E-06 |
electrons_per_picometres_cubed | electrons_per_nanometres_cubed | * | 1.0E+09 |
electrons_per_picometres_cubed | electrons_per_angstroms_cubed | * | 1.0E+06 |
kilocalories | kilojoules | * | 4.184 |
kilojoules | kilocalories | / | 4.184 |
kilocalories_per_moles | kilojoules_per_moles | * | 4.184 |
kilojoules_per_moles | kilocalories_per_moles | / | 4.184 |
kilocalories_per_mole_angstroms | kilojoules_per_mole_angstroms | * | 4.184 |
kilocalories_per_mole_angstroms | kilocalories_per_mole_nanometres | * | 1.0E+01 |
kilocalories_per_mole_angstroms | kilojoules_per_mole_nanometres | * | 4.184E+01 |
kilojoules_per_mole_angstroms | kilocalories_per_mole_angstroms | / | 4.184 |
kilojoules_per_mole_angstroms | kilocalories_per_mole_nanometres | / | 4.184E-01 |
kilojoules_per_mole_angstroms | kilojoules_per_mole_nanometres | * | 1.0E+01 |
kilocalories_per_mole_nanometres | kilocalories_per_mole_angstroms | * | 1.0E-01 |
kilocalories_per_mole_nanometres | kilojoules_per_mole_angstroms | * | 4.184 |
kilocalories_per_mole_nanometres | kilojoules_per_mole_nanometres | * | 4.184E-01 |
kilojoules_per_mole_nanometres | kilocalories_per_mole_angstroms | / | 4.184E+01 |
kilojoules_per_mole_nanometres | kilojoules_per_mole_angstroms | * | 1.0E-01 |
kilojoules_per_mole_nanometres | kilocalories_per_mole_nanometres | / | 4.184 |