7  4 12
  0.00000  0.00000  0.00000 ! Gamma
  1.00000  0.00000  0.00000 ! Z
  0.50000  0.50000  0.00000 ! X
  1.00000  0.00000  0.19481 ! V
  0.50000  0.50000  0.60680 ! P
  0.50000  0.00000  0.60680 ! N
  0.00000  0.00000  1.01879 ! Z'
  1  2  3  5
  1  2  4  5
  1  4  5  6
  1  5  6  7



How to get vertexes V P N, Z'  for bct lattices  with c<a  

Use scf.in file and XCrysDen to find vertex for Z', let us to sign it as "p" 
(Z has indexes "p,p,p" wrt basis vectors).

Then:

Z' - 0.0, 0.0, 2*p*a/c
V  - 1.0, 0.0, a/c-2*p*a/c
P  - 0.5, 0.5, 0.5*a/c
N  - 0.5, 0.5, 0.5*a/c