Available 1 September 2025
PDF-4/Axiom 2026 is designed for phase identification and quantitation. This cost-effective database includes 114,000+ selected data entries and 84,200+ entries with atomic coordinates selected for benchtop users. PDF-4/Axiom features 84,800+ entries with I/Ic values for quantitative phase analysis by Reference Intensity Ratio. PDF-4/Axiom is useful for routine phase identification and quantitation (both by Rietveld and RIR method). PDF-4/Axiom data is focused on ambient entries.
ICDD’s data mining software, SIeve+ is included!
Using PDF-4/Axiom 2026
Key Points
- Cost-effective
- Single License: three (3) year license term
- Optional: two (2) additional seats (three (3) year license term)
- Six (6) year and nine (9) year prepaid packages available
- Featuring 114,000+ entries, including inorganic and organic entries
- 84,200+ entries with atomic coordinates
- Data focused on ambient entries
- Number of entries with I/Ic values: 84,800+
- Extensive data mining is facilitated with 118 display fields coupled with 82 searches
- Fundamental mineral entries
- Data mining software, SIeve+ is included
Identify
- Number of entries – 114,000+
Quantify
- Entries with Reference Intensity Ratio (I/Ic) – 84,800+
- Entries with Atomic Coordinates – 84,200+
- Entries with Experimental Raw Data Digital Patterns – 10,500+
Database Sources
Our collaborative partners include:
- ICDD Powders (00) – International Centre for Diffraction Data Newtown Square, PA, USA
- ICSD (01) – Fachinformationszentrum Karlsruhe (FIZ) Karlsruhe, Germany – Inorganic Crystal Structure Database
- NIST (03) – National Institute of Standards and Technology, Gaithersburg, Maryland, USA
- MPDS (04) – Material Phases Data System, Vitznau, Switzerland – Linus Pauling File (LPF)
Subfiles
Four select subfiles:
- Ceramic – 10,023
- Common Phase – 5,879
- Metal & Alloy – 26,820
- Mineral Related – 27,881
Database Sources
OUR CUSTOMERS HAVE SPOKEN
READY TO PURCHASE PDF-4/AXIOM?
Available 1 September 2025
- Intel® Core™ 2 Duo processors (recommended minimum), or better.
- Supported Microsoft® operating systems:
- Windows® 7 SP1
- Windows® 8/8.1
- Windows® 10
- Windows® 11
- 4 GB of system memory
- 4 GB of hard drive space
Note: It is necessary to have Administrator privileges or use the Administrator account and password for your local domain in order to install this product. You can obtain your domain by running the following command line in a Command Prompt window: ipconfig/all. Your local domain will appear next to the “Host” label.
Prior Release Requirements
2025 Release
- Intel® Core™ 2 Duo processors (recommended minimum), or better.
- Supported Microsoft® operating systems:
- Windows® 7 SP1
- Windows® 8/8.1
- Windows® 10
- Windows® 11
- 4 GB of system memory
- 3 GB of hard drive space
2024 Release
- Intel® Core™ 2 Duo processors (recommended minimum), or better.
- Supported Microsoft® operating systems:
- Windows® 7 SP1
- Windows® 8/8.1
- Windows® 10
- Windows® 11
- 4 GB of system memory
- 3 GB of hard drive space
2023 Release
- Intel® Core™ 2 Duo processors (recommended minimum), or better.
- Supported Microsoft® operating systems:
- Windows® 7 SP1
- Windows® 8/8.1
- Windows® 10
- Windows® 11
- 4 GB of system memory
- 3 GB of hard drive space
2022 Release
- Intel® Core™ 2 Duo processor or better
- Supported Microsoft® Operating Systems:
- Windows® 7 SP1
- Windows® 8
- Windows® 8.1
- Windows® 10
- NTFS File System required
- 4 GB of System Memory
- Installation requires 3 GB of hard-disk space
2021 Release
- Intel® Core™ 2 Duo processor or better
- Supported Microsoft® Operating Systems:
- Windows® 7 SP1
- Windows® 8
- Windows® 8.1
- Windows® 10
- NTFS File System required
- 4 GB of System Memory
- Installation requires 3 GB of hard-disk space
2020 Release
- Intel® Core™ 2 Duo processor or better
- Supported Microsoft® Operating Systems:
- Windows Vista® (32-bit) SP2
- Windows® 7 (32 & 64-bit) SP1
- Windows® 8 (32 & 64-bit)
- Windows® 8.1 (32 & 64-bit)
- Windows® 10
- NTFS file system required
- System memory recommended – 4 GB
- Hard-disk space required – 3 GB
Licensing
PDF-4/Axiom is licensed for use on a single PC. It cannot be installed, accessed, or displayed on more than one PC without purchasing additional seats. Two additional seats can be purchased at an additional cost. A seat is defined as a single PC installation. Additional seat registrations will mirror the original registration key date. The PDF-4/Axiom database contains integrated data mining software and ICDD’s search-indexing software, SIeve+, for free.
It is expressly prohibited to access the database over a network or access the database using desktop sharing or screen sharing software.
Registration
This product requires registration upon installation. The term of the license shall be three (3) years from the license registration key date.
A registration key will be issued within 48 hours (Monday through Friday) of receipt of your information. If you have not heard from us within 48 hours, kindly fax us your registration (610.325.9823) noting that it is a second request, or call us at 610.325.9814.
Media Available for Purchase –
USB or Download
Vendor Software –
ICDD partners with licensed software developers, including equipment manufacturers and independent developers, to develop commercial data analysis programs that work seamlessly with our databases.
Ordering Information –
Please send us a sales order via fax, email, or mail. ICDD requires the name of the end-user to be included on all orders. Use product codes in your order, if possible. A convenient Order/Quotation Form can be found here.
Pricing –
The prices listed herein supersede all others previously published and are subject to change without notice. ICDD reserves the right to discontinue any product at its discretion. Please refer to the Price List or contact our Customer Service Department for the most up-to-date product information and pricing.
Return Policy –
Products may be returned within 30 days from the invoice date for a full refund or credit (excluding shipping/handling). Products must be returned in their original condition to qualify for a refund or credit. Registered products do not qualify. Please complete a Return Merchandise Authorization (RMA) form to obtain approval before returning the product. Defective products will be replaced promptly, but must be returned for testing.
Warranty Policy –
Customers’ sole remedy for any defective Licensed Product shall be replacement of the Licensed Product, which right must be exercised by written notice given within 30 days of purchase. Defective products will be replaced promptly, but must be returned for testing.
Payment Terms –
Wire transfers, credit cards (MasterCard, Visa, American Express), and checks in USD$ and drawn on U.S. banks are acceptable forms of payment. Letters of credit will not be accepted. Payment is due within 30 days from the invoice date. Finance charges of 1.5% per month (annual percentage rate of 18%) may be applied to overdue balances.
Licensing –
ICDD licenses the use of the Powder Diffraction File and software. Licensing for the PDF-5+, PDF-2, and PDF-4 product line are packaged with the USB and/or dongle. ICDD’s product licenses are non-transferable and intended for use on a single computer. It is expressly prohibited to access the database over a network or access the database using desktop sharing or screen sharing software. Please refer to the sales descriptions and product policies for further information on licensing.
Site Licensing
Multi-year Licensing
Shipment –
All orders shipped by ICDD are F.O.B. (Free on Board) Newtown Square, PA, USA. Import duties and all taxes are not included in pricing and are the sole responsibility of the customer. Shipment will be made by a commercial carrier chosen by ICDD. For your convenience, shipping charges will be added to all invoices. Shipments can be insured upon request; additional charges will apply.
Orders & Delivery –
All orders are processed on a First-In, First-Out (FIFO) basis. Delivery will occur approximately 30 days on items in stock after receipt of the completed order.
Note: Customers in Japan and South Korea must place their orders through an ICDD-licensed vendor.
Products related to PDF-4/Axiom 2026:
The Powder Diffraction File (PDF) 
Not sure which database you should purchase? Search using chemical name, formula, and elements
to find out which ICDD database product is right for you.
Call (610) 325-9814 or toll free (866) 378-9331 (US and Canada) or email sales@icdd.com
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