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C Library Functions  - symbol2atomnum (3)

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NAME

symbol2atomnum(3f) - [M_units:SYMBOLS] return atomic number given element symbol name (LICENSE:PD)

CONTENTS

Synopsis
Description
Options
Returns
Example
Author
License

SYNOPSIS

subroutine symbol2atomnum(symbol,atomnum)

     character(len=2),intent(in) :: symbol
     integer,intent(out)         :: atomnum

DESCRIPTION

Given a two-character element symbol name return the corresponding atomic number

OPTIONS

symbol	two-character symbol name corresponding to atomic number ATOMNUM

RETURNS

atomnum
	an atomic number from 1 to 109

EXAMPLE

Sample program

   program demo_symbol2atomnum
   use M_units, only :  symbol2atomnum
   implicit none
   integer           :: atomnum
   character(len=2)  :: name
   name=’Ne’
   call symbol2atomnum(name,atomnum)
   write(*,*)atomnum,name
   end program demo_symbol2atomnum

Results:

   10 Ne

AUTHOR

John S. Urban

LICENSE

Public Domain

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Nemo Release 3.1

symbol2atomnum (3)

June 29, 2025

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