data_other_codes
loop_
_symbol_unicode_char
_symbol_cif_special_code
_symbol_unicode_hex_code
_symbol_unicode_name
_symbol_iucr_description
'\%' '\%'            &#x00B0; 'DEGREE SIGN' 'degree (\%)'
'--' '--'            &#x2013; 'EN DASH'     dash
'---' '---'           &#x2014; 'EM DASH'     'single bond'
'=' '\\db '         &#x003D; 'EQUALS SIGN' 'double bond'
'\\tb ' '\\tb '         &#x2261; 'IDENTICAL TO' 'triple bond' 
'\\ddb ' '\\ddb '        &#x2393; 'DIRECT CURRENT SYMBOL FORM TWO'  'delocalized double bond'
'\\sim' '\\sim'         &#x223C; 'TILDE OPERATOR' '~ (N.B. ~ is the code for subscript)'
'\\simeq' '\\simeq'       &#x2243; 'ASYMPTOTICALLY EQUAL TO' \\simeq
'\\infty' '\\infty'       &#x221E; 'INFINITY' \\infty
'\\times' '\\times'       &#x00D7; 'MULTIPLICATION SIGN' \\times
'+-' '+-'            &#x00B1; 'PLUS-MINUS SIGN' +- 
'-+' '-+'            &#x2213; 'MINUS-OR-PLUS SIGN' -+
'\\square' '\\square'      &#x25A1; 'WHITE SQUARE' square
'\\neq' '\\neq'         &#x2260; 'NOT EQUAL TO' \\neq
'\\rangle' '\\rangle'      &#x27E9; 'MATHEMATICAL RIGHT ANGLE BRACKET' \\rangle
'\\langle' '\\langle'      &#x27E8; 'MATHEMATICAL LEFT ANGLE BRACKET' \\langle
'\\rightarrow' '\\rightarrow'  &#x2192; 'RIGHTWARDS ARROW' \\rightarrow
'\\leftarrow' '\\leftarrow'   &#x2190; 'LEFTWARDS ARROW' \\leftarrow
