Acetamide Mineral Data

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General Acetamide Information

Chemical Formula:

CO(CH3)(NH2)

Composition:

Molecular Weight = 59.07 gm

Hydrogen 8.53 % H

Carbon 40.67 % C

Nitrogen 23.71 % N

Oxygen 27.09 % O

______

100.00 %

Empirical Formula:

CO(CH₃)(NH₂)

IMA Status:

Approved IMA 1975

Locality:

Russia, L'vov-Volynskii Basin Link to MinDat.org Location Data.

Name Origin:

For ACETic acid and AMIDE, for ammonia in its composition.

Name Pronunciation:

Acetamide + Pronunciation

Synonym:

Ethanamide

Acetamide Image

Images:

Acetamide

Comments: White crystalline crust of acetamide on black shale.
Location: Shamokin, Northumberland County, Pennsylvania, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Acetamide Crystallography

Axial Ratios:

a:c = 1:1.18006

Cell Dimensions:

a = 11.44, c = 13.5, Z = 18; V = 1,530.09 Den(Calc)= 1.15

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 5.7(1), 3.54(0.91), 2.86(0.78),

Crystal Structure:

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Denne W A , Small R W H , Acta Crystallographica, Section B , 27 (1971) p.1094-1098, A refinement of the structure of rhombohedral acetamide, Locality: synthetic

Physical Properties of Acetamide

Color:

Colorless, Gray.

Density:

1.17

Diaphaneity:

Transparent to Translucent

Hardness:

1-1.5 - Talc or a little harder

Streak:

white

Optical Properties of Acetamide

Optical Data:

Uniaxial (-), e=1.46, w=1.495, bire=0.0350.

Calculated Properties of Acetamide

Electron Density:

Bulk Density (Electron Density)=1.25 gm/cc
note: Specific Gravity of Acetamide =1.15 gm/cc.

Fermion Index:

Fermion Index = 0.24
Boson Index = 0.76

Photoelectric:

PE_Acetamide= 0.23 barns/electron
U=PE_Acetamide x rElectron Density= 0.29 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Acetamide is Not Radioactive

Acetamide Classification

Dana Class:

50.04.07.01 (50)Salts of Organic Acids

(50.04)with miscellaneous formulae

(50.04.07)Dana Group

50.04.07.01 Acetamide CO(CH3)(NH2) R 3c 3m

Strunz Class:

10.AA.20 10 - ORGANIC COMPOUNDS

10.A - Salts of Organic Acids

10.AA -Formates, Acetates, etc.

10.AA.20 Acetamide CO(CH3)(NH2) R 3c 3m

Other Acetamide Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Acetamide :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Acetamide Specimen Label here :

Acetamide

CO(CH3)(NH2)
Dana No: 50.04.07.01 Strunz No: 10.AA.20
Locality:

Notes: