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<a name="idm3"></a><h3>INTRODUCTION</h3>
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<b>Input data format:</b> { } = optional, [ ] = it depends, | = or

All quantities whose dimensions are not explicitly specified are in
RYDBERG ATOMIC UNITS

<b>BEWARE:</b> TABS, DOS &lt;CR&gt;&lt;LF&gt; CHARACTERS ARE POTENTIAL SOURCES OF TROUBLE

<b>neb.x DOES NOT READ FROM STANDARD INPUT !</b>

There are two ways for running a calculation with neb.x:

(1) specifying a file to parse with the <b>./neb.x -inp</b> or <b>./neb.x -input</b>
    comma