Cobalt(II) azide

Cobalt(II) azide  Names

IUPAC name

Cobalt(II) diazide

Other names

Cobalt diazide

Identifiers

CAS Number

* 14215-31-7

3D model (JSmol)

* Interactive image

ChemSpider |

* 3470740

PubChem CID

* 50912166

InChI

* InChI=1S/Co.2N3/c;2*1-3-2/q+2;2*-1

Key: XRKZTILYATXYGV-UHFFFAOYSA-N

SMILES

* [N-]=[N+]=[N-].[N-]=[N+]=[N-].[Co+2]

Properties

Chemical formula

| Co(N3)2
Molar mass | 142.97 g/mol
Hazards
GHS labelling:

Pictograms

Signal word

| Danger

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Chemical compound

Cobalt(II) azide is an inorganic chemical compound with the formula Co(N3)2. It can be formed through the reaction between dicobalt octacarbonyl and iodine azide.[1]

Co2(CO)8 \+ 4IN3 → 2Co(N3)2 \+ 8CO + 2I2

## Properties

[edit]

Aqueous solutions of cobalt(II) azide change in color when introduced to suitable organic solvents, from pink-violet to a blue shade.[2] Like most azides, it is explosive.

## References

[edit]

1. ^ Dehnicke, K.; Dübgen, R. (1 September 1978). "Die Reaktionen des Jodazids mit Metallcarbonylen". Zeitschrift für anorganische und allgemeine Chemie (in German). 444 (1): 61–70\. doi:10.1002/zaac.19784440106. ISSN 0044-2313. Archived from the original on 2022-10-24. Retrieved 2023-10-30.
2. ^ Senise, Paschoal (27 February 1959). "On the Reaction between Cobalt(II) and Azide Ions in Aqueous and Aqueous-organic Solutions". J. Am. Chem. Soc. 81 (16): 4196–4199\. doi:10.1021/ja01525a020. Retrieved 30 October 2023.

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Cobalt compounds

Cobalt(I)|

* HCo(CO)4

Cobalt(II)|

* CoBr2
* Co(CN)2
* CoCO3
* CoC2O4
* CoCl2
* Co(ClO3)2
* Co(ClO4)2
* CoF2
* Co(HCO2)2
* CoI2
* Co(NO3)2
* Co3(PO4)2
* Co(OAc)2
* CoGeO3
* CoO
* Co(OH)2
* CoS
* Co(OCN)2
* Co(SCN)2
* CoSO4
* CoSe
* Co3P2
* CoH2
* Co(C3H6O3)2
* C
24H
48CoO

* C
36H
70CoO

Cobalt(0,III)|

* CoSi
* CoGe

Cobalt(II,III)|

* Co3O4

Cobalt(III)|

* CoAs
* CoCl3
* Co(NO3)3
* Co2O3
* CoF3
* Co(OH)3
* LiCoO2

Cobalt(III,IV)|

* NaxCoO2

Cobalt(IV)|

* CoF4
* Cs2CoF6
* CoC28H44

Cobalt(V)|

* Na3CoO4

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Salts and covalent derivatives of the azide ion

| HN3 |  |  |  | He

|
|
|
|

LiN3 | Be(N3)2 | B(N3)3 | CH3N3
C(N3)4
CO(N3)2 | NH4N3
N3NO
N(N3)3
H2N–N3 | O  | FN3 | Ne
NaN3 | Mg(N3)2 | Al(N3)3 | Si(N3)4 | P(N3)3 | SO2(N3)2 | ClN3 | Ar
KN3 | Ca(N3)2 |  | Sc(N3)3 | Ti(N3)4 | VO(N3)3
V(N3)4 | Cr(N3)3
CrO2(N3)2 | Mn(N3)2 | Fe(N3)2
Fe(N3)3 | Co(N3)2
Co(N3)3 | Ni(N3)2 | CuN3
Cu(N3)2 | Zn(N3)2 | Ga(N3)3 | Ge  | As(N3)3
As(N3)5 | Se(N3)4 | BrN3 | Kr
RbN3 | Sr(N3)2 |  | Y(N3)3 | Zr(N3)4 | Nb  | Mo  | Tc  | Ru(N3)63− | Rh(N3)63− | Pd(N3)2 | AgN3 | Cd(N3)2 | In(N3)3 | Sn  | Sb(N3)3
Sb(N3)5 | Te(N3)4 | IN3 | Xe(N3)2
CsN3 | Ba(N3)2 | *  | Lu(N3)3 | Hf  | Ta  | W  | Re  | Os  | Ir(N3)63− | Pt(N3)62− | Au(N3)4− | Hg2(N3)2
Hg(N3)2 | TlN3 | Pb(N3)2 | Bi(N3)3 | Po  | At  | Rn
Fr  | Ra(N3)2 | **  | Lr  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og

*  | La(N3)3 | Ce(N3)3
Ce(N3)4 | Pr  | Nd  | Pm  | Sm(N3)3 | Eu(N3)2
Eu(N3)3 | Gd(N3)3 | Tb  | Dy(N3)3 | Ho(N3)3 | Er  | Tm  | Yb(N3)3
**  | Ac(N3)3 | Th(N3)4 | Pa  | UO2(N3)2 | Np  | Pu  | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No

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