WebElements Periodic Table of the Elements | Caesium

Caesium: crystal structure

Space group: Im-3m (Space group number: 229)
Structure: bcc (body-centred cubic)
Cell parameters:
- a: 614.1 pm
- b: 614.1 pm
- c: 614.1 pm
- α: 90.000°
- β: 90.000°
- γ: 90.000°

You may view the structure of caesium:

interactively (Jmol) or
non-interactively

caesiumcrystal structure image (ball and stick style)

The closest Cs-Cs separation is 532 nm implying a caesium metallic radius of 266 nm.

References

C. E. Weir, G. J. Piermarini, and S. Block, J. Chem. Phys., 1971, 54, 2768.

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	Rb	Sr
	Cs	Ba
	Fr	Ra

Caesium	Césium
C�sium	Cesium
Cesio	Cesio
Cesium	Césio

Caesium
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1	2															3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18

1 H																															2 He
3 Li	4 Be																									5 B	6 C	7 N	8 O	9 F	10 Ne
11 Na	12 Mg																									13 Al	14 Si	15 P	16 S	17 Cl	18 Ar
19 K	20 Ca															21 Sc	22 Ti	23 V	24 Cr	25 Mn	26 Fe	27 Co	28 Ni	29 Cu	30 Zn	31 Ga	32 Ge	33 As	34 Se	35 Br	36 Kr
37 Rb	38 Sr															39 Y	40 Zr	41 Nb	42 Mo	43 Tc	44 Ru	45 Rh	46 Pd	47 Ag	48 Cd	49 In	50 Sn	51 Sb	52 Te	53 I	54 Xe
55 Cs	56 Ba	57 La	58 Ce	59 Pr	60 Nd	61 Pm	62 Sm	63 Eu	64 Gd	65 Tb	66 Dy	67 Ho	68 Er	69 Tm	70 Yb	71 Lu	72 Hf	73 Ta	74 W	75 Re	76 Os	77 Ir	78 Pt	79 Au	80 Hg	81 Tl	82 Pb	83 Bi	84 Po	85 At	86 Rn
87 Fr	88 Ra	89 Ac	90 Th	91 Pa	92 U	93 Np	94 Pu	95 Am	96 Cm	97 Bk	98 Cf	99 Es	100 Fm	101 Md	102 No	103 Lr	104 Rf	105 Db	106 Sg	107 Bh	108 Hs	109 Mt	110 Ds	111 Rg	112 Cn	113 Uut	114 Fl	115 Uup	116 Lv	117 Uus	118 Uuo

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