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Demo Version

A free-of-charge demo version with a few thousand datasets can be downloaded. More...

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A quickstart manual is also available in Spanish. More...
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Pearson's Crystal Data
Crystal Structure Database for Inorganic Compounds

Pearson's Crystal Data is a crystallographic database, edited by Pierre Villars and Karin Cenzual. It is published by ASM International, Materials Park, Ohio, USA. The "PCD" (as it is typically abbreviated) contains crystal structures of a large variety of inorganic materials and compounds. The collaboration between ASM International and Material Phases Data System, Vitznau, Switzerland (MPDS), aims to create and maintain the world's largest critically evaluated "Non-organic database".

Click to enlarge (1146 x 781)

The current release 2008/9 of the "PCD" contains about 165,000 structural data sets (including atom coordinates and displacement parameters, when determined) for more than 100,000 different phases, roughly 13,000 experimental powder diffraction patterns and about 150,000 calculated patterns. It covers more than 90% of the ICSD.

The database comes with an innovative retrieval software for Windows PCs developed by Crystal Impact. It offers a large variety of new elaborate new features which make retrieval of the desired information extremely easy and comfortable.

Pearson's CD News

Dec 15, 2008
A Spanish version of the Pearson's Crystal Data quickstart manual has become available thanks to the efforts of Prof. Santiago Rodríguez Almenar. More...

Oct 31, 2008
New low-price licence types are available for Pearson's Crystal Data, starting at 360 Euros. More...

July 10, 2008
A summer discount of 20% is available for all PCD orders that arrive before September 30, 2008. More...

July 10, 2008
Release 2008/9 of Pearson's Crystal Data has just become available with 15,000 new entries. More...

Apr 8, 2008
A maintenance update 1.0c for Pearson's Crystal Data with both data and software bugs repaired is available. More... 

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