11
Conjugate Base of Tetraphosphacubane 1A optimized at MP2/6-31+G*
C    0.000000    0.000000    0.000000
P    0.000000    0.000000    3.180428
P    1.593794    0.000000    0.907094
P   -0.796897   -1.380266    0.907094
P   -0.796897    1.380266    0.907094
C    0.751903    1.302334    2.025551
C   -1.503806    0.000000    2.025551
C    0.751903   -1.302334    2.025551
H    1.255448    2.174499    2.463477
H   -2.510895    0.000000    2.463477
H    1.255448   -2.174499    2.463477