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**General Interest Chemistry Sites**

American Chemical Society

Chemistryviews.org (Wiley)

Union of Concerned Scientists

AmericanChemistry.com

EurekAlert.org - AAAS

NVL - NIST Virtual Library

NIST WebBook Thermochemical properties, IR, Mass Spectra, ...

Chemical Synthesis Database

WebQC.org

General chemistry information Purdue University

101Chemistry.com General chemistry tutorial, information, links

Mad Sci Network

**Periodic Table**

Ptable.com

WebElements Detailed information on each element,isotopes, etc.

Flash Periodic Table

Wooden Periodic Table

ChemicalElements.com

AmericanElements.com

Molecular Weight Calculation

**Labview**

Labview Basics National Instruments

**Spectroscopy**

IR Bands Characteristic IR bands

**Bonding**

The Orbitron

softBV Soft Bond Valence Sum

Electron Configurations and the Periodic Table (msu.edu)

**Physical Properties**

Qdusa - Magnetism

Introduction to Magnetochemistry

Magnetism of first-row transition metal complexes

**Computational Chemistry**

NMR Introduction - basics of NMR

Simulating NMR Spectra with WINDNMR-Pro

Theoretical Chemistry (utah.edu)

**Analytical Techniques**

XAFS, EXAFS, XANES Feffit computer program for the analysis of XAFS data

**Mathematics and Trigonometric Identities **

Platonic Realms Math Academy

Wolfram Online Integral Calculator

Trigonometric Identities Trigonometric identities and other math related pages.

Law of Cosines

Matrix Multiplication - from MathWorld

Logarithms and Significant Figures - For any log, the number to the left of the decimal point is called the characteristic, and the number to the right of the decimal point is called the mantissa. The characteristic only locates the decimal point of the number, so it is usually not included when determining the number of significant figures. The mantissa has as many significant figures as the number whose log was found.

Mathematics Encyclopedia Source of Trigonometric identities.

Cross Products

Logarithms

The Inverse Formula - Recall that the inverse of a square matrix A is the matrix A-1 such that AA-1 = A-1A = I. If such a matrix exists then it is unique, but it need not exist. A matrix which has an inverse is said to be invertible or non-singular.

Euler Angles -- from MathWorld

Constants and Conversions

Convert Energy Units Convert energy in web form using common units.

** Error Analysis**

Clemson -Standard Deviation

** Miscellaneous**

Caslab.com - Columbia Analytical Services formerly Desert Analytics Laboratory

Microtek Laboratories TheTestlab.com

SciTech Strategies

Symyx - formerly MDL Chime - structure viewing in 3d

Pythagorean solids Description with diagrams

Uniform Polyhedra Three-dimensional polyhedra

Cuboctahedron

Nobel Prize Winners

Sigmaaldrich - MSDS - Material Safety Data Sheets Online

Broken Y-axis, Excel

Plotting Data with Kaleidagraph

Tri-plot: Ternary diagram plotting software

ZetaWare, Utilities --- Ternary Plot

Octahedron -- from MathWorld - Volume Calculation

Phase Transformations and Complex Properties Research Group

X-ray Absorption Edges

Unit Cell Dimensions - Density calculation

ESRF Highlights

Half-Metallic Antiferromagnets

ICMCB