Most of these unit are not explicitly defined in the programs but read in as input to the various programs. The standard choices as exemplified by the test**.job files in ~/polyangb/tests are given below:

- 40
- iuins, the blms with the full symmetry
- 41
- iuang, angular grid
- 42
- iuini, the blms of the abelian subgroup
- 43
- unit with the matrix representation of the full point group
- 48
- iUDipole, dipole operator onto a selected orbital
- 49
- iUOrbSym, orbital information after rotation to proper representation
- 50
- iuin, electronic structure output (G94, CADPAC etc)
- 51
- iugeom, geometry information
- 52
- iuorb, orbital information, coefficients and basis set
- 54
- iugrd, radial grid information
- 53
- iuPotFrm, formulas for potential and overall charge on the target
- 55
- iuxorb, single center expanded orbitals
- 56
- iuden, electron density
- 57
- iustpt, static potential
- 58
- iueng, list of energies for calculation
- 59
- iufege, model exchange potential
- 60
- iukmat, computed k matrix
- 62
- iuanrd, radial cutoffs
- 63
- iupolt, correlation potential
- 64
- iupolt, correlation plus polarization potential
- 70
- iuvorb, orbitals on cartesian grid
- 71
- iujorb, flux of resonant state on cartesian grid
- 78
- iueps, eigenphase sums, from rdbint
- 79
- iutpot, PD potential
- 80
- iuvpot, PD potential for plotting
- 81
- iuwavf, PD resonance wave function
- 82
- iuwavo, full resonance wave function
- 83
- iureng, resonance energies

There are also a number of internal scratch files which are used in scatstab (and also in the original scat program)

- 32
- i32, is for bound orbitals which have been transformmed into the coordinate representation and are defined only on the half grid
- 33
- i33, is for vg matrix, bound orbitals used in the exchange pot.
- 34
- i34, for vpart2 matrix with only the exact exchange included, with half length grid
- 37
- i37, static+polarization potential in coordinate representation
- 38
- i38, current fege potential in coordinate representation
- 39
- iUFullPot, static+polarizatio+fege for current energy in coordinate representation

- 11
- iUHomo, homogeneous soultions
- 12
- iUHomoAsym,
- 13
- iUWaveH, iUWave before being transformedd into T matrix form
- 14
- iUWaveI, scratch file like iUWave but with type 1 order
- 15
- IUExchI, scratch files for sorting iUExch
- 16
- iUWaveGHI, type 2 scratch for iUWaveG and iUWaveH
- 17
- iUOrthGOrbI, type 2 scratch for iUOrthGOrb
- 18
- iUHomoI, scratch file for sorting iUHomo
- 20
- iuscr, used in SCE and ExpOrb for storing intermediate results
- 21
- iUInHomo, inhomogeneous exchange term
- 22
- iUInHomoAsym, inhomogeneous terms exchange asymptotic
- 23
- iUWave, radial functions formed in from integrators
- 24
- i24, radial wave function from the previous iteration
- 25
- iUInHomoOrth, inhomogeneous functions for the orthogonality constraints
- 26
- iUInHomoAsymOrth
- 27
- iUWaveG, used for holding wave in applying Greens function
- 28
- iUOrthGOrb, unit with Green's function applied to the orthogonalization orbitals, organized like iUWave
- 29
- iUOrthOrb2, unit with orbitals to orthogonalize to, organized like iUWave
- 30
- iUInHomoI - scratch file like iUInHomo used for sorting before writing out in iUWave form
- 31
- iUOrthOrb, unit with orbitals to orthogonalize to, organized like iUExch
- 35
- i35, for the vpart2 matrix after it has had the model exchange subtracted, still half length grid
- 36
- iUExch, for the vpart2 matrix when it has been interpolated to the full length grid