N 0     -12.781   3.620  15.274 
C 0     -11.976   4.652  15.944 
C 0     -12.722   6.019  15.985 
O 0     -13.133   6.378  14.897 
C       2  CBCA    3    CBCAC   4 CBCACO 


C 5  CBCA 2 CBCAC 3 CG1CBCAC

C 5  CBCA 2 CBCAC 3 CG2CBCAC



CBCA    = 1.54
CBCA    = 1.54
CBCA    = 1.54
CBCAC   = 113.4
CBCACO  = 71.85
CG1CBCAC = 54. 
CG2CBCAC = 180.