21

C     -1.758701   -0.580108   -0.090411
C     -0.446171   -0.205596    0.580457
C      0.064027    1.112789    0.041369
O      0.964115    1.149613   -0.783240
O     -2.234246    0.117627   -0.967795
C     -0.581378    2.361502    0.562617
C     -2.410244   -1.848194    0.379559
H     -0.611667   -0.149499    1.663346
H      0.281608   -1.001978    0.384962
H     -1.669570    2.250800    0.580656
H     -0.249506    2.514535    1.597083
H     -0.293071    3.222889   -0.041728
H     -1.725491   -2.689682    0.228043
H     -2.612980   -1.783718    1.453929
H     -3.338989   -2.020133   -0.166708
C      3.177995   -0.651423    0.500465
O      2.507525   -1.196990   -0.623522
H      2.478158   -0.352799    1.293334
H      3.787760    0.219733    0.229237
H      3.838881   -1.425191    0.899982
H      1.942555   -0.480777   -0.970014

