Two new copper(I) arenethiolates with
ortho-chelating nitrogen donor atoms[Cu(SC
6H
4NMe
2-2)]
3(
5) and [Cu(S-1-C
10H
6NMe
2-8)]
9(
6) have been synthesized by reactingMe
3SiSAr (Ar =C
6H
4NMe
2-2 or1-C
10H
6NMe
2-8)with copper(I) chloride in a 1:1 molar ratio. Copper(I)arenethiolate
5 is a white to pale yellow solid andistrimeric in the solid state as well as in solution. Crystals of[Cu(SC
6H
4NMe
2-2)]
3(
5),C
24H
30Cu
3N
3S
3,are trigonal,space group
R3, with
a =
b =18.2325(7) Å,
c = 6.8410(4) Å,
V= 1969.4(2) Å
3,
Z = 3, and final
R = 0.028for 1010 reflections with
I 2.5
(
I) and107 variables. Copper(I) arenethiolate
6 formsdark red crystals and isnonameric in the solid state as well as in solution. Crystals of{[Cu(S-1-C
10H
6NMe
2-8)]
9}
2{C
6H
6}
10.5(
6), C
279H
279Cu
18N
18S
18, are triclinic, spacegroup
P, with
a = 16.081(2) Å,
b = 26.650(4) Å,
c = 32.747(6) Å,
=67.320(13)
,
= 76.180(12)
,
= 81.226(12)
,
V = 12545(4) Å
3,
Z = 2, andfinal
R = 0.118 for 28749 reflectionsand 1501 variables. Reaction of nonameric
6 with(3,3-dimethylbutynyl)copper results in the formation ofthe2:1 mixed dimeric hexanuclear organo(arenethiolato)copperaggregate[Cu
3(S-1-C
10H
6NMe
2-8)
2(C
C
tBu)]
2(
9),C
60H
66Cu
6N
4S
4,which has been isolated as an air-stable orange solid which isinsoluble in most common organicsolvents. Crystals of
9 are monoclinic, space group
P2
1/c, with
a = 11.9839(5) Å,
b = 12.9391(8) Å,
c =18.9482(7) Å,
= 108.326(3)
,
V =2789.1(2) Å
3,
Z = 2, and final
R = 0.0314 for 5110 reflections with
I2.5
(
I) and 358 variables. Reaction of
6 with mesitylcopper,[Cu
5(C
6H
2Me
3-2,4,6)
5],results in the formation ofthe 1:1 mixed organo(arenethiolato)copper aggregate[Cu
2(S-1-C
10H
6NMe
2-8)(C
6H
2Me
3-2,4,6)]
n(
10), which is ayellowish-brown, slightly air-sensitive solid that is soluble in polarand aromatic hydrocarbons. The new mixedaggregates
9 and
10 are thermodynamically andkinetically very stable, and it is found that the overallstructureof mixed organo(arenethiolato)copper aggregates such as
9 is insensitive to structural changes in thearenethiolateligand.