The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
Topics:
Values
Energy
Equivalents
Searchable
Bibliography
Background

Constants
Bibliography

Constants,
Units &
Uncertainty
home page
[skip navigation]
{220} lattice spacing of silicon
 $d_{\rm 220}$
 Value  192.015 5714 x 10-12 m
 Standard uncertainty    0.000 0032 x 10-12 m
  Relative standard uncertainty   1.6 x 10-8
 Concise form  192.015 5714(32) x 10-12 m    
 
Click here for correlation coefficient of this constant with other constants
Source: 2014 CODATA     
recommended values
 
Definition of
uncertainty
 
     Correlation coefficient with
any other constant

 
Go to a new search