Loading…
Templated heptaborate and pentaborate salts of cyclo-alkylammonium cations: structural and thermal propertiesCCDC reference numbers 846310846314. For crystallographic data in CIF or other electronic format see DOI: 10.1039/c2dt12310j
The synthesis and characterization of a series of cyclo -alkylammonium pentaborate salts {[ cyclo -C n H 2 n 1 NR 3 ][B 5 O 6 (OH) 4 ] (R = H, n = 3, 57 ( 14 ); R = Me, n = 6 ( 5 ))} are reported. Compounds 1 , 2 and 5 have been further characterized by single-crystal XRD studies. Attempted recrysta...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Online Access: | Get full text |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Summary: | The synthesis and characterization of a series of
cyclo
-alkylammonium pentaborate salts {[
cyclo
-C
n
H
2
n
1
NR
3
][B
5
O
6
(OH)
4
] (R = H,
n
= 3, 57 (
14
); R = Me,
n
= 6 (
5
))} are reported. Compounds
1
,
2
and
5
have been further characterized by single-crystal XRD studies. Attempted recrystallization of
3
and
4
yielded small crops of the unexpected heptaborate salts, [
cyclo
-C
6
H
11
NH
3
]
2
[B
7
O
9
(OH)
5
]3H
2
OB(OH)
3
(
6
) and [
cyclo
-C
7
H
13
NH
3
]
2
[B
7
O
9
(OH)
5
]2H
2
O2B(OH)
3
(
7
) which were also characterized crystallographically. All compounds show extensive supramolecular H-bonded anionic lattices templated by the cations. H-bond interactions are described in detail. TGADSC analysis of the pentaborates
15
showed that they thermally decomposed in air at 800 C to 2.5B
2
O
3
, in a 2 step process involving dehydration ( |
|---|---|
| ISSN: | 1477-9226 1477-9234 |
| DOI: | 10.1039/c2dt12310j |