5KB - Ideal conformer
     RDKit          3D

 51 54  0  0  0  0  0  0  0  0999 V2000
    6.4710    1.6470    0.3200 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.1770    1.2510    0.1910 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5280    0.6450    1.2580 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.2160    0.2420    1.1300 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5410    0.4440   -0.0730 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1290    0.0120   -0.2150 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7850   -1.4280   -0.1490 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2470   -2.3030   -1.1320 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.9250   -3.6420   -1.0680 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.1400   -4.1200   -0.0270 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1760   -5.4390    0.0330 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3230   -3.2510    0.9530 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.0010   -1.9120    0.8980 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.1660    0.9230   -0.4020 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4970    2.3980   -0.4780 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4100    3.1520    0.5000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8720    2.8170    0.1980 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1230    1.3280    0.4370 C   0  0  1  0  0  0  0  0  0  0  0  0
   -3.5840    1.0230    0.2230 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.1660    1.2620   -1.0080 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.5050    0.9830   -1.2050 C   0  0  0  0  0  0  0  0  0  0  0  0
   -6.2630    0.4650   -0.1710 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.6800    0.2260    1.0600 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.3400    0.5010    1.2550 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2800    0.5040   -0.5490 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.1950    1.0530   -1.1430 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5060    1.4580   -1.0070 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.5740    2.5520    0.6460 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.0520    0.4890    2.1900 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.7110   -0.2290    1.9600 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.8580   -1.9320   -1.9420 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.2830   -4.3200   -1.8280 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.4590   -5.9740    0.5290 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9330   -3.6260    1.7610 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3550   -1.2380    1.6630 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.5410    2.5530   -0.2040 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.3240    2.7600   -1.4920 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1720    2.8530    1.5200 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2520    4.2240    0.3890 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.5200    3.4040    0.8490 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.0910    3.0590   -0.8420 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8450    1.0720    1.4600 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.5740    1.6660   -1.8160 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.9600    1.1690   -2.1670 H   0  0  0  0  0  0  0  0  0  0  0  0
   -7.3090    0.2480   -0.3240 H   0  0  0  0  0  0  0  0  0  0  0  0
   -6.2720   -0.1780    1.8680 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.8840    0.3110    2.2160 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6140    0.6940   -1.5680 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3790   -0.5570   -0.3190 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.6750    1.2110   -2.0770 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.0130    1.9330   -1.8340 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  3  2  2  0
  3  4  1  0
  2 27  1  0
  4  5  2  0
 27 26  2  0
  5 26  1  0
  5  6  1  0
  6  7  1  0
  6 14  2  0
 15 14  1  0
 15 16  1  0
  7  8  2  0
  7 13  1  0
  8  9  1  0
 13 12  2  0
 14 25  1  0
  9 10  2  0
 12 10  1  0
 10 11  1  0
 16 17  1  0
 25 18  1  0
 17 18  1  0
 18 19  1  0
 20 19  2  0
 20 21  1  0
 19 24  1  0
 21 22  2  0
 24 23  2  0
 22 23  1  0
  1 28  1  0
  3 29  1  0
  4 30  1  0
  8 31  1  0
  9 32  1  0
 11 33  1  0
 12 34  1  0
 13 35  1  0
 15 36  1  0
 15 37  1  0
 16 38  1  0
 16 39  1  0
 17 40  1  0
 17 41  1  0
 18 42  1  1
 20 43  1  0
 21 44  1  0
 22 45  1  0
 23 46  1  0
 24 47  1  0
 25 48  1  0
 25 49  1  0
 26 50  1  0
 27 51  1  0
M  END
$$$$
