1    14  Butane  (Transoid Conformer)
2     1  C       1
3     2  C       1     1   1.53407
4     3  C       1     2   1.53630     1  112.4088
5     4  C       1     3   1.53407     2  112.4088     1  180.0000     0
6     5  H       5     1   1.11338     2  111.3905     3  180.0000     0
7     6  H       5     1   1.11317     2  111.5576     5  107.3033     1
8     7  H       5     1   1.11317     2  111.5576     5  107.3033    -1
9     8  H       5     2   1.11464     1  109.2586     3  109.5102     1
10     9  H       5     2   1.11464     1  109.2586     3  109.5102    -1
11    10  H       5     3   1.11464     2  109.5102     4  109.2586     1
12    11  H       5     3   1.11464     2  109.5102     4  109.2586    -1
13    12  H       5     4   1.11338     3  111.3904     2  180.0000     0
14    13  H       5     4   1.11317     3  111.5577    12  107.3033     1
15    14  H       5     4   1.11317     3  111.5577    12  107.3033    -1
16