Carbide chloride
Class of chemical compounds
Carbide chlorides are mixed anion compounds containing chloride anions and anions consisting entirely of carbon . In these compounds there is no bond between chlorine and carbon. But there is a bond between a metal and carbon. Many of these compounds are cluster compounds , in which metal atoms encase a carbon core, with chlorine atoms surrounding the cluster. The chlorine may be shared between clusters to form polymers or layers. Most carbide chloride compounds contain rare earth elements. Some are known from group 4 elements. The hexatungsten carbon cluster can be oxidised and reduced, and so have different numbers of chlorine atoms included.
The carbide chlorides are a subset of the halide carbides, with related compounds including the carbide bromides , and carbide iodides . Cluster compounds similar to these carbides, may instead replace carbon with boron, hydrogen, nitrogen or phosphorus.
List
formula
system
space group
unit cell
volume
density
comment
reference
Ca3 C3 Cl2
orthorhombic
Cmcm
a=3.876, b=13.524, c=11.653
2.47
red
[ 1]
Sc2 CCl2
P 3 m 1
a=3.39977 c=8.858
3.24
black
[ 2]
Sc5 CCl8
monoclinic
C 12/m 1
a=17.8 b=3.5259 c=12.052 β=130.11
2.99
[ 2]
Sc7 C2 Cl10
monoclinic
C 12/m 1
a=18.62 b=11.81 β=99.81
3.04
ruby red; moisture sensitive
[ 3] [ 2]
Ti6 CCl14
orthorhombic
Cmce
a=12.4592 b=12.2458 c=10.9576
2.93
black
[ 2]
YCCl
C 12/m 1
a=6.82 b=3.713 c=9.327 β=94.75
3.85
[ 2]
Y2 C0.7 Cl2
P 3 m 1
a=3.7022 c=9.195
3.91
silvery grey
[ 2]
Zr6 CCl14
orthorhombic
Cmce
a=14.091 b=12.595 c=11.506
3.43
brown red
[ 4] [ 2]
KZr6 CCl15
orthorhombic
Pnma
a=18.489 b=13.909 c=9.690 Z=4
2492
dark red; Zr6 C clusters
[ 5]
Rb4 Zr6 CCl18
C 2/m
a=10.460 b=17.239 c=9.721 β=115.05 Z=2
[ 6]
Rb[(Zr6 C)Cl15 ]
orthorhombic
Pnma
a=18.484,b= 18.962,c=9.708 Z= 4
2505.4
3.12
dark red-brown
[ 7]
Cs4 [Sc6 C]Cl13
tetragonal
I 41 /amd
a = 15.405, c = 10.179 Z=4
green black
[ 8]
Cs[(Zr6 C)Cl15 ]
orthorhombic
Pnma
a = 18.513 b = 13.916 c = 9.6383 Z=4
2483.1
dark red
[ 9]
La2 CCl
R 3 m
a=3.878 c=16.91
5.74
coppery red
[ 10]
La2 C2 Cl
monoclinic
C 12/c 1
a=14.77 b=4.187 c=6.802 β=101.5
5.44
gold
[ 11] [ 10]
La3 C3 Cl2
monoclinic
C 12/c 1
a=7.771 b=12.962 c=6.91 β=104.3
5.16
gold
[ 10]
La4 C2 Cl5
orthorhombic
Immm
a=3.92 b=7.945 c=19.297
4.67
black
[ 10]
La4 C5 Cl2
monoclinic
C 12/m 1
a=22.57 b=3.91 c=1.019 β=95.69
5.07
gold
[ 10]
La5 C2 Cl9
triclinic
P 1
a=8.645 b=8.706 c=11.925 α=84.97° β=85.78° γ=61.31°
4.40
red
[ 10]
La6 (C2 )3 Cl4
monoclinic
P 21 /c
a = 7.770, b = 12.962, c = 6.910 and β = 104.30° Z=2
674.4
5.158
gold; sheets of octahedra
[ 12]
La8 C8 Cl5
monoclinic
P 121 /c 1
a=7.756 b=16.951 c=6.878 β=104.2
5.24
gold
[ 11] [ 10]
La8 (C2 )5 Cl4
monoclinic
C 2/m
a = 22.570, b = 3.9300, c = 10.190 β = 95.69° Z=2
899.4
5.071
gold
[ 12]
La11 C11 Cl7
monoclinic
P 121 /c 1
a=7.77 b=47.038 c=6.901 β=104.28
5.19
gold
[ 10]
La14 C14 Cl9
monoclinic
P 1C 1
a=7.775 b=2.9963 c=6.895 β=104.21
5.19
gold
[ 11] [ 10]
La20 C20 Cl13
monoclinic
P 121 /c 1
a=7.762 b=42.941 c=6.903 β=104.26
5.18
black
[ 11] [ 10]
La36 C36 Cl23
monoclinic
P 121 /c 1
a=7.764 b=77.055 c=6.897 β=104.26
5.18
grey
[ 11] [ 10]
K[La5 (C2 )]Cl10
monoclinic
P 21 /c
a=8.5632, b=15.074, 17.115 β=119.74 Z=4
1918.3
3.85
light red
[ 13]
Ce2 C2 Cl
monoclinic
C 12/c 1
a=14.573, b=4.129, c=6.696, β=101.37
5.71
gold
[ 1]
Ce2 (C2 )2 Cl
monoclinic
C 2/c
a = 14.573, b = 4.129, c = 6.696, β = 101.37 °
[ 14]
Ce3 CCl5
monoclinic
C 12/c 1
a=13.899, b=8.71, c=15.765, β=98.22
4.29
orange
[ 1]
Ce4 CCl8
monoclinic
P 1C 1
a=13.538, b=10.487, c=22.845, β=126.31
4.35
black
[ 10] [ 15]
Ce5 C2 Cl9
triclinic
P 1
a=8.57, b=8.627, c=11.869, α=84.8, β=85.5, γ=61.29
red
[ 1]
Ce6 Cl10 C2
monoclinic
C 12/c 1
a= 13.899,b= 8.710,c= 15.765,β= 98.22° Z=4
1888.9
[ 16]
Ce8 C8 Cl5
monoclinic
P 121 /c 1
a=7.669, b=16.784, c=6.798, β=104.05
5.46
gold
[ 11] [ 1]
Ce18 (C2 )9 Cl11
triclinic
P 1
a = 6.771, b = 7.657, c = 18.98,α = 88.90 °, β = 80.32 °, γ = 76.09 °
[ 14]
Ce26 (C2 )13 Cl16
monoclinic
P 21 /c
a = 7.664, b = 54.25, c = 6.796, β = 103.98 °
[ 14]
K[Ce5 (C2 )]Cl10
monoclinic
P 21 /c
a=8.4739, b=15.017, c=1639 β=119.76 Z=4
1871.2
3.97
red
[ 13]
Pr3 CCl5
monoclinic
C 12/c 1
a=13.867 b=8.638 c=15.69 β=97.67
4.37
yellow
[ 2]
Pr4 C2 Cl5
orthorhombic
Immm
a=3.848 b=7.759 c=17.01
5.00
black
[ 2]
Pr5 C2 Cl9
triclinic
P 1
a=8.526 b=8.592 c=11.821 α=84.77 β=85.42 γ=61.26
4.61
brown red
[ 2]
Pr6 C2 Cl10
monoclinic
C 2/c
a = 13.687, b = 8.638, c = 15.690, β = 97.67°
yellow to green
[ 17]
Pr8 C8 Cl5
monoclinic
C 121 /c 1
a=7.617 b=16.689 c=6.769 β=103.94
5.57
gold
[ 2]
Pr11 C11 Cl7
monoclinic
P 121 /c 1
a=7.612 b=6.127 c=6.761 β=103.92
5.56
gold
[ 2]
Pr14 C14 Cl9
monoclinic
P 1c 1
a=7.611 b=29.392 c=6.764 β=103.9
5.56
gold
[ 2]
K{Pr5 (C2 )}Cl10
hexagonal
P 63 /m
a=8.426 c=14.894 Z=2
915.9
dark red
[ 18]
Rb{Pr5 (C2 )}Cl10
hexagonal
P 63 /m
a=8.4499, c=14.976 Z=2
926
4.19
red; trigonal bipyrmamid of Pr containing a C2 unit
[ 19]
Rb[Nd5 (C2 )]Cl10
hexagonal
a=08.398, c=14.88
4.33
dark red
[ 13]
Gd2 C2 Cl
P 3 m
a=3.6902, c=20.308
[ 10]
Gd2 C2 Cl2
monoclinic
P 3 m 1
a=3.7633, c=9.4593
5.69
black; contains C2 4−
[ 4] [ 10]
Gd3 CCl3
cubic
I 41 32
a=10.734
6.34
[ 10]
Gd4 C2 Cl3
orthorhombic
Pnma
a=10.596, b=3.684, c=19.627
6.58
bronze
[ 10] [ 20]
Gd5 C2 Cl9
monoclinic
P 121 /c 1
a=9.182, b=16.12, c=12.886, β=119.86
4.54
black
[ 10]
Gd5 C6 Cl3
monoclinic
C 12/m 1
2.1507,0.37193,1.5331,90,123.34
6.25
bronze
[ 10]
Gd6 C3 Cl5
monoclinic
C 12/m 1
a=16.688,b=3.6969,c=12.824, β=128.26
6.18
grey
[ 10]
Gd10 C4 Cl17
triclinic
P 1
a=8.498, b=9.174, c=11.462, α=104.56, β=95.98, γ=111.35
4.70
black; contains C2 4−
[ 4] [ 10]
Gd10 C4 Cl18
triclinic
P 1
a = 8.498, b = 9.174, c = 11.462, α = 104.56°, β = 95.98°, γ = 111.35°, Z = 1
contains C2 4−
[ 21] [ 4]
[Gd4 (C2 )](Cl, I)6
tetragonal
P 4/mbm
a = 13.475, c = 12.125, Z = 2
black
[ 22]
Rb2 [Gd10 (C2 )2 ]Cl19
orthorhombic
a=1.2228, b=2.2347, c=1.3896
4.31
black
[ 23]
Cs2 [Gd10 (C2 )2 ]Cl19
orthorhombic
a=1.2344, b=2.2434, c=1.3924
4.41
black
[ 23]
Cs3 [Tb10 (C2 )2 ]Cl21
monoclinic
C 2/c
Z = 4; a = 23.187; b = 12.458; c = 15.02; β = 98.13°
black
[ 24]
Lu2 CCl2
R 3 m
a=3.6017, c=27.16
7.07
brown
[ 10]
Lu2 CCl2
P 3 m 1
a= 3.5972, c=9.0925
7.05
[ 10]
Cs2 Lu[Lu6 C]Cl18
R 3
a = 9.817, c = 27.232, Z = 3
[ 25]
Hf6 CCl14
orthorhombic
Cmce
a=13.938, b=12.498, c=11.399
5.28
[ 10]
W2 CCl8
orthorhombic
Pbca
a=11.96 b=12.156 c=10.9576
2.83
black
[ 2]
W6 CCl15
monoclinic
C 121 /c 1
a=9.8831 b=11.8945 c=17.867 β =107.883
5.47
black
[ 2]
W6 CCl16
orthorhombic
Pnma
a=16.637 b=12.958 c=9.797
5.29
black
[ 2]
W6 CCl18
P 6 2c
a=8.923 c=17.503
4.82
black
[ 2]
W30 C2 (Cl,Br)68
triclinic
P 1
a = 12.003, b = 14.862, c = 15.792, α = 88.75°, β = 68.85°, γ = 71.19° Z=1
2472.9
black
[ 26]
Li[W6 CCl18 ]
hexagonal
P 63 /m
a = 8.8648, c = 17.490 Z=2
1188.2
black
[ 27] [ 28]
(Bu4 N)[W6 CCl18 ]
[ 29]
(Me4 N)2 [W6 CCl18 ]
[ 28]
(Bu4 N)2 [W6 CCl18 ]
[ 29]
(Bu4 N)3 [W6 CCl18 ]
[ 29]
Na[W6 CCl18 ]
hexagonal
P 63 /m
a=8.9592 c=17.5226 Z=2
1188.2
[ 28]
Ca[W6 CCl18 ]
hexagonal
P 63 /m
a=8.9384 c=17.6526 Z=2
1220.4
[ 28]
Cu[W6 CCl18 ]
triclinic
P 1
a=8.89 b=8.929 c=17.669 α=81.85 β=80.78 γ=60.39 Z=2
1200.7
5.025
black
[ 30]
Cu(C2 H6 OS)6 [W6 CCl18 ]
monoclinic
C 2/c
a=17.333 b=16.011 c=18.082 β=94.61 Z=4
5001.7
3.035
dark brown
[ 30]
Cu(C2 H6 OS)4 [W6 CCl18 ]2
triclinic
P 1
a=9.47 b=12.630 c=13.634 α=104.69° β=90.16° γ=92.99° Z=1
1575.2
4.095
dark violet
[ 30]
Ag[W6 CCl18 ]
hexagonal
P 63 /m
a=8.874 c=17.58 Z=2
1199
[ 28]
Cs[W6 CCl18 ]·CH3 OH
orthorhombic
P 21 21 21
a = 9.6957, b = 14.046, c = 20.238 Z=4
4.623
black; W in trigonal prism around C
[ 27]
References
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Salts and covalent derivatives of the
carbide ion
Salts and covalent derivatives of the
chloride ion