Patch to allow internal coordinates for icosahedral clusters


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An example icosahedral geometry
I'm sorry I reply late. This is one example of icosahedral geometry that with unpatched nwchem produces an output line
 autoz: excessive number of variables                   912                   66

geometry
B                     0.45847006     0.09952007    -1.61371950
B -0.11907656 -1.41910484 -0.89982394
B -0.32900936 1.45244385 -0.78958167
B 1.45702351 -0.76733276 -0.44061433
B 1.32803813 1.00707596 -0.36835250
B 1.27182104 0.05179579 1.11290045
B 0.16656363 1.41920724 0.89883886
B 0.38278781 -1.44351125 0.79145909
B -1.40548570 0.76956439 0.41328846
B -1.27104024 -1.00408960 0.35140414
C -1.13711151 -0.04531513 -1.03992256
C -0.39925623 -0.08751433 1.47225597
H -2.06845351 -0.07850868 -1.79589841
H -0.34327777 -2.36175069 -1.57562483
H -0.69839923 2.39891110 -1.39217871
H 2.45840856 -1.31825241 -0.74982615
H 2.23634839 1.72198408 -0.62741679
H 2.05144322 0.07499610 1.99760834
H 0.18586086 2.34217508 1.63712103
H 0.54582168 -2.40921971 1.45362371
H -2.45112869 1.20652097 0.73264132
H -2.23837960 -1.61678729 0.62618576
H -0.79258782 -0.14834777 2.60432932
H 0.63208883 0.15741171 -2.78356042
end