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Acetamide

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Acetamid
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Acetamid
weiße Aggregate von Acetamid in Phiole, Kohlegrube Tscherwonohrad, Lwiw, Ukraine; BB < 1 mm, analysiert
Copyright: mintreasure.com; Contribution: openpit
Location: Ukraine/Lwiw (Lemberg; L'viv), Oblast/Tscherwonohrad (Chervonograd)/Kohlegrube
Mineral: Acetamide
Image: 1647163395
License: Usage for Mineralienatlas project only
Acetamid

weiße Aggregate von Acetamid in Phiole, Kohlegrube Tscherwonohrad, Lwiw, Ukraine; BB < 1 mm, analysiert
Copyright: mintreasure.com
Contribution: openpit 2022-03-13
Locality: Kohlegrube / Tscherwonohrad (Chervonograd) / Lwiw (Lemberg; L'viv), Oblast / Ukraine

Collectors Summary

Color farblos, grau
Streak color weiß
Hardness (Mohs) 1.25
Fracture fine conchiodal
Solubility +++ H2O
Crystal System trigonal, R3c

Chemism

Chemical formula

CH3CONH2

Chemical composition

Kohlenstoff, Sauerstoff, Stickstoff, Wasserstoff

Unit weight: 59.067445 u; Number of atoms in the formula: 9

Info

Empirical formula:

CH3CONH2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

8.53

5

55.56

1.0079470

5.0397350
Carbon

C

40.67

2

22.22

12.0107800

24.0215600
Nitrogen

N

23.71

1

11.11

14.0067200

14.0067200
Oxygen

O

27.09

1

11.11

15.9994300

15.9994300

Analysis wt%

C : 40.67, H : 8.53, O : 27.09, N : 23.71 (Ref: berechnet)

Strunz 9th edition incl. updates

10.AA.20

10: Organische Verbindungen
A: Salze organischer Säuren
A: [Acetate]
20:Acetamid-Gruppe

Lapis Classification

IX/D.01-020

IX: ORGANISCHE VERBINDUNGEN
D: Stickstoff-haltige Kohlenwasserstoffe

Classification by Hölzel

A.AC.100

A: ORGANIC COMPLEXES
A: Carbonacids and their Salts
C: Amides and Imides

Dana 8th edition

50.04.07.01

50: Organic Minerals
04: Salts of Organic Acids with miscellaneous formulae

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, grau

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.035
Birefringence chart\! Acetamide title=Birefringence chart Acetamide

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.495

RI value γ / ε

1.460

Ri mean

1.483

2V angle

Uniaxial (-)

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

161

Space Group

R3c

Cell parameters a (Å)

11.44

Cell parameters b (Å)

-

Cell parameters c (Å)

13.50

Cell parameters a/b or c/a

1.180

Cell parameters c/b

-

Z

18

Volume (ų)

1530.088

X-Ray Powder Diffraction

5.7(100),
3.98(10),
3.83(10),
3.54(90),
3.32(30),
3.20(10),
2.86(80),
2.17(10)
XRD chart Acetamide

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

1.25

VHN (Hardness Vickers)

14 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.17

1.154 ( ρ calc. Mineralienatlas )

Fracture

fine conchiodal

Radioactivity

keine

Instability

+++ H2O

(Co-)Type locality

(Co-)Type locality

Ukraine/Lwiw (Lemberg; L'viv), Oblast/Tscherwonohrad (Chervonograd)/Kohlegrube

Preface

Author (Name, Year)

Srebrodol'skiy, 1975

Collector information

Acetamid steht im Verdacht, krebserregend zu sein und wird deshalb als giftig gekennzeichnet

Additional Information

Acetamid ist gut wasserlöslich (220 g/L)

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 104 (1975), 326

Journal of Physical Chemistry 96 (1992), 668

Other languages

German

Acetamid

Spanish

Acetamida

English

Acetamide

French

Acetamide

Russian

Ацетамид

CNMNC (IMA)-Number

IMA 1974-039

CNMNC symbol

Symbol

Ace

IDs

GUSID (Global unique identifier short form) pBegvaOKTU-tMcOcQwR4UQ
GUID (Global unique identifier) BDA017A4-8AA3-4F4D-AD31-C39C43047851
Database ID 7