Non-stereospecific cages
|
Grid points
|
---|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
---|
Cage 1:
|
+
|
+
|
–
|
–
|
–
|
+
|
+
|
–
|
–
|
–
|
+
|
+
|
Cage 2:
|
+
|
+
|
–
|
–
|
+
|
–
|
–
|
+
|
–
|
–
|
+
|
+
|
Cage 3:
|
+
|
+
|
–
|
–
|
+
|
–
|
–
|
+
|
–
|
–
|
+
|
+
|
Cage 4:
|
+
|
+
|
+
|
–
|
–
|
–
|
–
|
–
|
+
|
+
|
–
|
+
|
Cage 5:
|
+
|
+
|
+
|
–
|
–
|
+
|
–
|
+
|
–
|
–
|
+
|
–
|
Cage 6:
|
+
|
+
|
+
|
–
|
+
|
–
|
+
|
–
|
–
|
–
|
+
|
–
|
Cage 7:
|
+
|
+
|
+
|
–
|
+
|
–
|
+
|
–
|
+
|
–
|
–
|
–
|
Cage 8:
|
+
|
+
|
+
|
+
|
–
|
–
|
–
|
–
|
+
|
–
|
+
|
–
|
Cage 9:
|
+
|
+
|
+
|
+
|
–
|
–
|
–
|
–
|
+
|
+
|
–
|
–
|
Cage 10:
|
+
|
+
|
+
|
+
|
+
|
–
|
–
|
+
|
–
|
–
|
–
|
–
|
Cage 11:
|
+
|
+
|
+
|
+
|
+
|
+
|
–
|
–
|
–
|
–
|
–
|
–
|
Cage 12:
|
+
|
+
|
+
|
–
|
–
|
+
|
–
|
–
|
–
|
+
|
–
|
+
|
Stereospecific cages
|
Grid points
|
---|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
---|
Cage 1:
|
+
|
+
|
–
|
–
|
+
|
–
|
+
|
–
|
+
|
–
|
–
|
+
|
Cage 2:
|
+
|
+
|
+
|
–
|
–
|
–
|
–
|
–
|
+
|
+
|
+
|
–
|
Cage 3:
|
+
|
+
|
+
|
–
|
–
|
+
|
–
|
–
|
–
|
–
|
+
|
+
|
Cage 4:
|
+
|
+
|
+
|
–
|
+
|
–
|
–
|
–
|
–
|
+
|
–
|
+
|
Cage 5:
|
+
|
+
|
+
|
–
|
+
|
–
|
–
|
–
|
–
|
–
|
+
|
+
|
Cage 6:
|
+
|
+
|
+
|
–
|
+
|
–
|
–
|
–
|
+
|
–
|
+
|
–
|
Cage 7:
|
+
|
+
|
+
|
–
|
+
|
–
|
–
|
–
|
+
|
–
|
–
|
+
|
Cage 8:
|
+
|
+
|
+
|
–
|
+
|
+
|
–
|
–
|
–
|
–
|
–
|
+
|
Cage 9:
|
+
|
+
|
+
|
–
|
+
|
+
|
–
|
–
|
+
|
–
|
–
|
–
|
Cage 10:
|
+
|
+
|
+
|
–
|
+
|
–
|
–
|
+
|
–
|
+
|
–
|
–
|
Cage 11:
|
+
|
+
|
+
|
–
|
+
|
–
|
–
|
+
|
–
|
–
|
+
|
–
|
Cage 12:
|
+
|
+
|
+
|
–
|
+
|
–
|
–
|
+
|
–
|
–
|
–
|
+
|
Cage 13:
|
+
|
+
|
+
|
–
|
+
|
+
|
–
|
+
|
–
|
–
|
–
|
–
|
Cage 14:
|
+
|
+
|
+
|
–
|
+
|
+
|
–
|
–
|
–
|
–
|
+
|
–
|
Cage 15:
|
+
|
+
|
+
|
–
|
+
|
–
|
+
|
–
|
–
|
+
|
–
|
–
|
Cage 16:
|
+
|
+
|
+
|
–
|
+
|
+
|
+
|
–
|
–
|
–
|
–
|
–
|
Cage 17:
|
+
|
+
|
+
|
+
|
+
|
–
|
–
|
–
|
+
|
–
|
–
|
–
|
Cage 18:
|
+
|
+
|
+
|
+
|
+
|
–
|
–
|
–
|
–
|
+
|
–
|
–
|
- Grid point numbering refers to the numbering shown in Fig. 1. There are 12 cages with a center of symmetry (hence non-stereospecific cages), and 18 cages without a center of symmetry (stereospecific cages). ‘+’ represents a value of + 1, and ‘−’ represents a value of − 1