21

  N      1.487283    0.623265   -0.140069
  C      1.694362   -0.764857   -0.218007
  N      0.531549   -1.543188   -0.127461
  C      0.296402    1.368245    0.023369
  C     -0.820849    0.461368    0.125782
  C     -0.692406   -0.928877    0.045466
  N     -2.179793    0.690137    0.274395
  C     -2.767613   -0.542833    0.279124
  N     -1.900101   -1.548172    0.140598
  C      0.651606   -2.993460   -0.188192
  O      2.807662   -1.252433   -0.359731
  O      0.290805    2.597889    0.058428
  C     -2.812385    1.986927    0.448294
  H     -3.900326    1.883705    0.280118
  H     -3.854527   -0.659011    0.386402
  H      1.414434   -3.262032   -0.941470
  H     -0.335976   -3.410154   -0.454358
  H      0.969453   -3.409289    0.790616
  H     -2.383623    2.709405   -0.270100
  H     -2.633680    2.378034    1.470166
  H      2.346681    1.174218   -0.220169