Atom features
The following atom features are exported from Marvin to the SKC file format:
| Marvin |
ISIS/Draw |
Comment |
| General properties |
|
|
| Type |
 |
|
| Stereo Reaction |
 |
|
| Stereo Enhanced |
 |
exported as Attached Data |
| Charge |
 |
|
| Valence |
 |
|
| Radical |
 |
|
| Isotope |
 |
|
| Map |
 |
|
| Alias |
 |
|
| Pseudo |
 |
|
| SMARTS |
 |
|
| Value |
 |
|
| Query properties |
|
|
| Total number of attached hydrogens |
 |
|
| Valence, Sum of bond orders |
 |
|
| Number of connections |
 |
|
| Ring count |
 |
Not supported by ISIS/Draw |
| Smallest ring size |
 |
|
| Ring bond count |
 |
|
| Substitution count |
 |
|
| Number of implicit hydrogens |
 |
|
| Number of explicit connections |
 |
|
| Unsaturated atom |
 |
|
| Atom Label |
|
|
| Font, style |
 |
|
| Scale |
 |
|
| Atom color |
 |
|
Bond features
The following bond features from Marvin are exported to the SKC file format:
| Marvin |
ISIS/Draw |
Comment |
| Bond type |
|
|
| Single |
 |
|
| Double |
 |
|
| Triple |
 |
|
| Aromatic |
 |
|
| Single Up |
 |
Up |
| Single Down |
 |
Down |
| Single Up or Down |
 |
Either |
| Double Cis or Trans |
 |
Dbl Either |
| Double C/T or unspec |
 |
Double |
| Single or Double |
 |
Single/Double |
| Double or Aromatic |
 |
Double/Aromatic |
| Any |
 |
|
| Coordinate |
 |
|
| Reacting center |
|
|
| Center |
 |
|
| Make/Break |
 |
|
| Change |
 |
|
| Make/Change |
 |
|
| Not Center |
 |
|
| Topology |
|
|
| In Ring |
 |
|
| In Chain |
 |
|
| Other |
|
|
| Stereo search |
 |
|
| Thickness |
 |
|
| Color |
 |
|
| Crossed bond |
 |
|
Reaction features
The following reaction features of Marvin are exported to the SKC file format:
| Marvin |
ISIS/Draw |
Comment |
| Reaction arrow |
 |
some types of reaction arrows are converted to single reaction arrows |
| Reactant |
 |
|
| Product |
 |
|
| Agent |
 |
|
| Multiple step reaction with graphic arrows |
 |
converted to Multiple step reaction |
| Reaction and R-group combination |
 |
|
| Reaction and S-group combination |
 |
|
Group features
The following groups are exported to the SKC file format as:
| Marvin |
ISIS/Draw |
Comment |
| S-groups |
|
|
| Anypolymer (anyp) |
 |
Any polymer type |
| Component © |
 |
Component type |
| Copolymer (co) |
 |
Copolymer type |
| Copolymer, alternating (alt) |
 |
Copolymer type with alternating polymer subtype |
| Copolymer, block (blk) |
 |
Copolymer type with block polymer subtype |
| Copolymer, random (ran) |
 |
Copolymer type with random polymer subtype |
| Crosslink (xl) |
 |
Crosslink type |
| Generic () |
 |
Generic type |
| Graft (grf) |
 |
Graft type |
| Mer (mer) |
 |
Mer type |
| Mixture, ordered (f) |
 |
Mixture type |
| Mixture, unordered (mix) |
 |
Mixture type |
| Modification (mod) |
 |
Modification type |
| Monomer (mon) |
 |
Monomer type |
| Multiple S-Group (#) |
 |
Multiple group type |
| Repeating unit with repetition ranges(e.g.2,4-6) |
 |
|
| SRU polymer(n) |
 |
Label and bracket type supported, repeat pattern not yet supported |
| Superatom S-group |
 |
|
| Attached data |
 |
|
| R-groups |
|
|
| R-group |
 |
|
| R-Logic |
 |
|
Note: head-to-tail with flip (ht,f) and head-to-head with flip (hh,f) attributes are not handled because they are not supported by Symyx3.1 and ISIS/Draw.
Graphical objects
Rounded rectangle, ellipse and graphical bracket objects are supported, except for the line style. Text attributes are also exported.