formula
|
system
|
space group
|
unit cell
|
volume
|
density
|
comment
|
reference
|
Ca
3
C
3
Cl
2
|
orthorhombic
|
Cmcm
|
a=3.876, b=13.524, c=11.653
|
|
2.47
|
red
|
[1]
|
Sc
2
CCl
2
|
|
P
3
m
1
|
a=3.39977 c=8.858
|
|
3.24
|
black
|
[2]
|
Sc
5
CCl
8
|
monoclinic
|
C
12/
m
1
|
a=17.8 b=3.5259 c=12.052 β=130.11
|
|
2.99
|
|
[2]
|
Sc
7
C
2
Cl
10
|
monoclinic
|
C
12/
m
1
|
a=18.62 b=11.81 β=99.81
|
|
3.04
|
ruby red; moisture sensitive
|
[3]
[2]
|
Ti
6
CCl
14
|
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]
|
Y
2
C
0.7
Cl
2
|
|
P
3
m
1
|
a=3.7022 c=9.195
|
|
3.91
|
silvery grey
|
[2]
|
Zr
6
CCl
14
|
orthorhombic
|
Cmce
|
a=14.091 b=12.595 c=11.506
|
|
3.43
|
brown red
|
[4]
[2]
|
KZr
6
CCl
15
|
orthorhombic
|
Pnma
|
a=18.489 b=13.909 c=9.690 Z=4
|
2492
|
|
dark red; Zr
6
C clusters
|
[5]
|
Rb
4
Zr
6
CCl
18
|
|
C
2/
m
|
a=10.460 b=17.239 c=9.721 β=115.05 Z=2
|
|
|
|
[6]
|
Rb[(Zr
6
C)Cl
15
]
|
orthorhombic
|
Pnma
|
a=18.484,b= 18.962,c=9.708 Z= 4
|
2505.4
|
3.12
|
dark red-brown
|
[7]
|
Cs
4
[Sc
6
C]Cl
13
|
tetragonal
|
I
4
1
/
amd
|
a = 15.405, c = 10.179 Z=4
|
|
|
green black
|
[8]
|
Cs[(Zr
6
C)Cl
15
]
|
orthorhombic
|
Pnma
|
a = 18.513 b = 13.916 c = 9.6383 Z=4
|
2483.1
|
|
dark red
|
[9]
|
La
2
CCl
|
|
R
3
m
|
a=3.878 c=16.91
|
|
5.74
|
coppery red
|
[10]
|
La
2
C
2
Cl
|
monoclinic
|
C
12/
c
1
|
a=14.77 b=4.187 c=6.802 β=101.5
|
|
5.44
|
gold
|
[11]
[10]
|
La
3
C
3
Cl
2
|
monoclinic
|
C
12/
c
1
|
a=7.771 b=12.962 c=6.91 β=104.3
|
|
5.16
|
gold
|
[10]
|
La
4
C
2
Cl
5
|
orthorhombic
|
Immm
|
a=3.92 b=7.945 c=19.297
|
|
4.67
|
black
|
[10]
|
La
4
C
5
Cl
2
|
monoclinic
|
C
12/
m
1
|
a=22.57 b=3.91 c=1.019 β=95.69
|
|
5.07
|
gold
|
[10]
|
La
5
C
2
Cl
9
|
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]
|
La
6
(C
2
)
3
Cl
4
|
monoclinic
|
P
2
1
/
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]
|
La
8
C
8
Cl
5
|
monoclinic
|
P
12
1
/
c
1
|
a=7.756 b=16.951 c=6.878 β=104.2
|
|
5.24
|
gold
|
[11]
[10]
|
La
8
(C
2
)
5
Cl
4
|
monoclinic
|
C
2/
m
|
a
= 22.570,
b
= 3.9300,
c
= 10.190
β
= 95.69° Z=2
|
899.4
|
5.071
|
gold
|
[12]
|
La
11
C
11
Cl
7
|
monoclinic
|
P
12
1
/
c
1
|
a=7.77 b=47.038 c=6.901 β=104.28
|
|
5.19
|
gold
|
[10]
|
La
14
C
14
Cl
9
|
monoclinic
|
P
1
C
1
|
a=7.775 b=2.9963 c=6.895 β=104.21
|
|
5.19
|
gold
|
[11]
[10]
|
La
20
C
20
Cl
13
|
monoclinic
|
P
12
1
/
c
1
|
a=7.762 b=42.941 c=6.903 β=104.26
|
|
5.18
|
black
|
[11]
[10]
|
La
36
C
36
Cl
23
|
monoclinic
|
P
12
1
/
c
1
|
a=7.764 b=77.055 c=6.897 β=104.26
|
|
5.18
|
grey
|
[11]
[10]
|
K[La
5
(C
2
)]Cl
10
|
monoclinic
|
P
2
1
/
c
|
a=8.5632, b=15.074, 17.115 β=119.74 Z=4
|
1918.3
|
3.85
|
light red
|
[13]
|
Ce
2
C
2
Cl
|
monoclinic
|
C
12/
c
1
|
a=14.573, b=4.129, c=6.696, β=101.37
|
|
5.71
|
gold
|
[1]
|
Ce
2
(C
2
)
2
Cl
|
monoclinic
|
C
2/
c
|
a
= 14.573,
b
= 4.129,
c
= 6.696,
β
= 101.37 °
|
|
|
|
[14]
|
Ce
3
CCl
5
|
monoclinic
|
C
12/
c
1
|
a=13.899, b=8.71, c=15.765, β=98.22
|
|
4.29
|
orange
|
[1]
|
Ce
4
CCl
8
|
monoclinic
|
P
1
C
1
|
a=13.538, b=10.487, c=22.845, β=126.31
|
|
4.35
|
black
|
[10]
[15]
|
Ce
5
C
2
Cl
9
|
triclinic
|
P
1
|
a=8.57, b=8.627, c=11.869, α=84.8, β=85.5, γ=61.29
|
|
|
red
|
[1]
|
Ce
6
Cl
10
C
2
|
monoclinic
|
C
12/
c
1
|
a= 13.899,b= 8.710,c= 15.765,β= 98.22° Z=4
|
1888.9
|
|
|
[16]
|
Ce
8
C
8
Cl
5
|
monoclinic
|
P
12
1
/
c
1
|
a=7.669, b=16.784, c=6.798, β=104.05
|
|
5.46
|
gold
|
[11]
[1]
|
Ce
18
(C
2
)
9
Cl
11
|
triclinic
|
P
1
|
a
= 6.771,
b
= 7.657,
c
= 18.98,
α
= 88.90 °,
β
= 80.32 °,
γ
= 76.09 °
|
|
|
|
[14]
|
Ce
26
(C
2
)
13
Cl
16
|
monoclinic
|
P
2
1
/
c
|
a
= 7.664,
b
= 54.25,
c
= 6.796,
β
= 103.98 °
|
|
|
|
[14]
|
K[Ce
5
(C
2
)]Cl
10
|
monoclinic
|
P
2
1
/
c
|
a=8.4739, b=15.017, c=1639 β=119.76 Z=4
|
1871.2
|
3.97
|
red
|
[13]
|
Pr
3
CCl
5
|
monoclinic
|
C
12/
c
1
|
a=13.867 b=8.638 c=15.69 β=97.67
|
|
4.37
|
yellow
|
[2]
|
Pr
4
C
2
Cl
5
|
orthorhombic
|
Immm
|
a=3.848 b=7.759 c=17.01
|
|
5.00
|
black
|
[2]
|
Pr
5
C
2
Cl
9
|
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]
|
Pr
6
C
2
Cl
10
|
monoclinic
|
C
2/
c
|
a
= 13.687,
b
= 8.638,
c
= 15.690,
β
= 97.67°
|
|
|
yellow to green
|
[17]
|
Pr
8
C
8
Cl
5
|
monoclinic
|
C
12
1
/
c
1
|
a=7.617 b=16.689 c=6.769 β=103.94
|
|
5.57
|
gold
|
[2]
|
Pr
11
C
11
Cl
7
|
monoclinic
|
P
12
1
/
c
1
|
a=7.612 b=6.127 c=6.761 β=103.92
|
|
5.56
|
gold
|
[2]
|
Pr
14
C
14
Cl
9
|
monoclinic
|
P
1
c
1
|
a=7.611 b=29.392 c=6.764 β=103.9
|
|
5.56
|
gold
|
[2]
|
K{Pr
5
(C
2
)}Cl
10
|
hexagonal
|
P
6
3
/
m
|
a=8.426 c=14.894 Z=2
|
915.9
|
|
dark red
|
[18]
|
Rb{Pr
5
(C
2
)}Cl
10
|
hexagonal
|
P
6
3
/
m
|
a=8.4499, c=14.976 Z=2
|
926
|
4.19
|
red; trigonal bipyrmamid of Pr containing a C
2
unit
|
[19]
|
Rb[Nd
5
(C
2
)]Cl
10
|
hexagonal
|
|
a=08.398, c=14.88
|
|
4.33
|
dark red
|
[13]
|
Gd
2
C
2
Cl
|
|
P
3
m
|
a=3.6902, c=20.308
|
|
|
|
[10]
|
Gd
2
C
2
Cl
2
|
monoclinic
|
P
3
m
1
|
a=3.7633, c=9.4593
|
|
5.69
|
black; contains C
2
4?
|
[4]
[10]
|
Gd
3
CCl
3
|
cubic
|
I
4
1
32
|
a=10.734
|
|
6.34
|
|
[10]
|
Gd
4
C
2
Cl
3
|
orthorhombic
|
Pnma
|
a=10.596, b=3.684, c=19.627
|
|
6.58
|
bronze
|
[10]
[20]
|
Gd
5
C
2
Cl
9
|
monoclinic
|
P
12
1
/
c
1
|
a=9.182, b=16.12, c=12.886, β=119.86
|
|
4.54
|
black
|
[10]
|
Gd
5
C
6
Cl
3
|
monoclinic
|
C
12/
m
1
|
2.1507,0.37193,1.5331,90,123.34
|
|
6.25
|
bronze
|
[10]
|
Gd
6
C
3
Cl
5
|
monoclinic
|
C
12/
m
1
|
a=16.688,b=3.6969,c=12.824, β=128.26
|
|
6.18
|
grey
|
[10]
|
Gd
10
C
4
Cl
17
|
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 C
2
4?
|
[4]
[10]
|
Gd
10
C
4
Cl
18
|
triclinic
|
P
1
|
a = 8.498, b = 9.174, c = 11.462, α = 104.56°, β = 95.98°, γ = 111.35°, Z = 1
|
|
|
contains C
2
4?
|
[21]
[4]
|
[Gd
4
(C
2
)](Cl, I)
6
|
tetragonal
|
P
4/
mbm
|
a = 13.475, c = 12.125, Z = 2
|
|
|
black
|
[22]
|
Rb
2
[Gd
10
(C
2
)
2
]Cl
19
|
orthorhombic
|
|
a=1.2228, b=2.2347, c=1.3896
|
|
4.31
|
black
|
[23]
|
Cs
2
[Gd
10
(C
2
)
2
]Cl
19
|
orthorhombic
|
|
a=1.2344, b=2.2434, c=1.3924
|
|
4.41
|
black
|
[23]
|
Cs
3
[Tb
10
(C
2
)
2
]Cl
21
|
monoclinic
|
C
2/
c
|
Z = 4; a = 23.187; b = 12.458; c = 15.02; β = 98.13°
|
|
|
black
|
[24]
|
Lu
2
CCl
2
|
|
R
3
m
|
a=3.6017, c=27.16
|
|
7.07
|
brown
|
[10]
|
Lu
2
CCl
2
|
|
P
3
m
1
|
a= 3.5972, c=9.0925
|
|
7.05
|
|
[10]
|
Cs
2
Lu[Lu
6
C]Cl
18
|
|
R
3
|
a = 9.817, c = 27.232, Z = 3
|
|
|
|
[25]
|
Hf
6
CCl
14
|
orthorhombic
|
Cmce
|
a=13.938, b=12.498, c=11.399
|
|
5.28
|
|
[10]
|
W
2
CCl
8
|
orthorhombic
|
Pbca
|
a=11.96 b=12.156 c=10.9576
|
|
2.83
|
black
|
[2]
|
W
6
CCl
15
|
monoclinic
|
C
12
1
/
c
1
|
a=9.8831 b=11.8945 c=17.867
β
=107.883
|
|
5.47
|
black
|
[2]
|
W
6
CCl
16
|
orthorhombic
|
Pnma
|
a=16.637 b=12.958 c=9.797
|
|
5.29
|
black
|
[2]
|
W
6
CCl
18
|
|
P
6
2c
|
a=8.923 c=17.503
|
|
4.82
|
black
|
[2]
|
W
30
C
2
(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[W
6
CCl
18
]
|
hexagonal
|
P
6
3
/
m
|
a
= 8.8648,
c
= 17.490 Z=2
|
1188.2
|
|
black
|
[27]
[28]
|
(Bu
4
N)[W
6
CCl
18
]
|
|
|
|
|
|
|
[29]
|
(Me
4
N)
2
[W
6
CCl
18
]
|
|
|
|
|
|
|
[28]
|
(Bu
4
N)
2
[W
6
CCl
18
]
|
|
|
|
|
|
|
[29]
|
(Bu
4
N)
3
[W
6
CCl
18
]
|
|
|
|
|
|
|
[29]
|
Na[W
6
CCl
18
]
|
hexagonal
|
P
6
3
/
m
|
a=8.9592 c=17.5226 Z=2
|
1188.2
|
|
|
[28]
|
Ca[W
6
CCl
18
]
|
hexagonal
|
P
6
3
/
m
|
a=8.9384 c=17.6526 Z=2
|
1220.4
|
|
|
[28]
|
Cu[W
6
CCl
18
]
|
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(C
2
H
6
OS)
6
[W
6
CCl
18
]
|
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(C
2
H
6
OS)
4
[W
6
CCl
18
]
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[W
6
CCl
18
]
|
hexagonal
|
P
6
3
/
m
|
a=8.874 c=17.58 Z=2
|
1199
|
|
|
[28]
|
Cs[W
6
CCl
18
]·CH
3
OH
|
orthorhombic
|
P
2
1
2
1
2
1
|
a
= 9.6957,
b
= 14.046,
c
= 20.238 Z=4
|
|
4.623
|
black; W in trigonal prism around C
|
[27]
|