Enum: ChiralityEnum
Chirality/stereochemistry descriptors
URI: valuesets:ChiralityEnum
Permissible Values
| Value |
Meaning |
Description |
| R |
None |
Rectus (right) configuration |
| S |
None |
Sinister (left) configuration |
| D |
None |
Dextrorotatory |
| L |
None |
Levorotatory |
| RACEMIC |
None |
Racemic mixture (50:50 of enantiomers) |
| MESO |
None |
Meso compound (achiral despite stereocenters) |
| E |
None |
Entgegen (opposite) configuration |
| Z |
None |
Zusammen (together) configuration |
Slots
| Name |
Description |
| chirality |
Chirality/stereochemistry descriptors |
Schema Source
- from schema: https://w3id.org/linkml/valuesets
LinkML Source
name: ChiralityEnum
description: Chirality/stereochemistry descriptors
from_schema: https://w3id.org/linkml/valuesets
rank: 1000
permissible_values:
R:
text: R
description: Rectus (right) configuration
annotations:
cahn_ingold_prelog:
tag: cahn_ingold_prelog
value: 'true'
S:
text: S
description: Sinister (left) configuration
annotations:
cahn_ingold_prelog:
tag: cahn_ingold_prelog
value: 'true'
D:
text: D
description: Dextrorotatory
annotations:
fischer_projection:
tag: fischer_projection
value: 'true'
optical_rotation:
tag: optical_rotation
value: positive
L:
text: L
description: Levorotatory
annotations:
fischer_projection:
tag: fischer_projection
value: 'true'
optical_rotation:
tag: optical_rotation
value: negative
RACEMIC:
text: RACEMIC
description: Racemic mixture (50:50 of enantiomers)
annotations:
optical_rotation:
tag: optical_rotation
value: zero
MESO:
text: MESO
description: Meso compound (achiral despite stereocenters)
annotations:
internal_symmetry:
tag: internal_symmetry
value: 'true'
E:
text: E
description: Entgegen (opposite) configuration
annotations:
geometric_isomer:
tag: geometric_isomer
value: 'true'
Z:
text: Z
description: Zusammen (together) configuration
annotations:
geometric_isomer:
tag: geometric_isomer
value: 'true'