## Translation Function

## Program TF

### Liang Tong

**Version 4.1 - Jan., 1999**

### Table of Contents

A. The R Factor and the Correlation Coefficient

B. Calculation of Structure Factors

C. Patterson-correlation Translation Function

D. Electron-density-correlation (Phased) Translation Function

A. General Input Commands

B. Definition of a few Conventions

C. Commands that Define the Search Atomic Model

D. Commands that Define the Crystal

E. Structure Factor Calculation

F. Specification of Search Parameters

G. Contour Plots

H. Storage Limits

#### Appendices

A. New Features

B. Phase Relationship Among Symmetry-related Structure Factors

Please send comments and bug reports to : tong@como.bio.columbia.edu.

Reference: L. Tong *J. Appl. Cryst*.} **26**, 748--751, (1993).