Definition:
The code for the type of relationship between the item identified by
_item_related.name and the defined item.
ALTERNATE indicates that the item identified in
_item_related.related_name is an alternative expression in terms
of its application and attributes to the item in this definition.
ALTERNATE_EXCLUSIVE indicates that the item identified in
_item_related.related_name is an alternative expression in terms
of its application and attributes to the item in this definition.
Only one of the alternative forms may be specified.
CONVENTION indicates that the item identified in
_item_related.related_name differs from the defined item only
in terms of a convention in its expression.
CONVERSION_CONSTANT indicates that the item identified in
_item_related.related_name differs from the defined item only
by a known constant.
CONVERSION_ARBITRARY indicates that the item identified in
_item_related.related_name differs from the defined item only
by an arbitrary constant.
REPLACES indicates that the defined item replaces the item identified
in _item_related.related_name.
REPLACEDBY indicates that the defined item is replaced by the
item identified in _item_related.related_name.
ASSOCIATED_VALUE indicates that the item identified in
_item_related.related_name is meaningful when associated with the
defined item.
ASSOCIATED_ESD indicates that the item identified in
_item_related.related_name is the estimated standard deviation of
of the defined item.
ASSOCIATED_ERROR indicates that the item identified in
_item_related.related_name is the estimated error of
of the defined item.
Type: code
Mandatory item: yes
|
alternate | alternate form of the item |
|
alternate_exclusive | mutually exclusive alternate form of the item |
|
convention | depends on defined convention |
|
conversion_constant | related by a known conversion factor |
|
conversion_arbitrary | related by an arbitrary conversion factor |
|
replaces | a replacement definition |
|
replacedby | an obsolete definition |
|
associated_value | a meaningful value when related to the item |
|
associated_esd | an estimated standard deviation of the item |
|
associated_error | an estimated error of the item |
Category: item_related
Copyright © 2005 International Union of Crystallography