17
     1  C      1
     2  C      1     1   1.53449
     3  C      1     2   1.53696     1  111.8421
     4  C      1     3   1.53697     2  112.0141     1 -179.9999     0
     5  C      1     4   1.53450     3  111.8424     2  179.9993     0
     6  H      5     5   1.11441     4  111.0200     3  179.9998     0
     7  H      5     5   1.11401     4  111.1431     6  107.6984     1
     8  H      5     5   1.11400     4  111.1446     6  107.6984    -1
     9  H      5     1   1.11441     2  111.0210     3  180.0000     0
    10  H      5     4   1.11633     3  109.5692     5  109.1961     1
    11  H      5     3   1.11598     2  109.3284     4  109.3281     1
    12  H      5     4   1.11631     3  109.5696     5  109.1978    -1
    13  H      5     3   1.11598     2  109.3278     4  109.3277    -1
    14  H      5     2   1.11632     1  109.1967     3  109.5694     1
    15  H      5     1   1.11401     2  111.1448     9  107.6977     1
    16  H      5     2   1.11632     1  109.1970     3  109.5698    -1
    17  H      5     1   1.11402     2  111.1441     9  107.6975    -1