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no acceptable space group---change tolerances or unset chiral flag or possibly change input lattice type ,then recheck cell using H-option
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TOLERANCES CHANGED

Maximum deviation (deg.) in higher symmetry cell search =  1.000
Threshold (deg.) for terminating search =  0.050
R(int) maximum for terminating cell search =  0.120
R(int) maximum for space group determination =  0.300
Minimum number of data in group for syst. absence test =   5
Maximum mean I/sigma(I) for systematic absences = 10.000
Minimum I/sigma gap between absences and rest =  5.000
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DETERMINATION OF REDUCED (NIGGLI) CELL

Transformation from original cell (HKLF-matrix):
    0.0000  0.0000  1.0000    1.0000  0.0000  0.0000    0.5000  0.5000  0.0000

Unitcell:       5.791    7.498   13.750   74.18   90.00   90.00

Niggli form:     a.a =     33.54      b.b =     56.22      c.c =    189.05
                 b.c =     28.11      a.c =      0.00      a.b =      0.00

-------------------------------------------------------------------------------

SEARCH FOR HIGHER METRIC SYMMETRY

------------------------------------------------------------------------------
Option A: FOM = 0.000 deg.   ORTHORHOMBIC  C-lattice   R(int) = 0.036 [  2138]
Cell:    7.498  26.457   5.791   90.00   90.00   90.00    Volume:      1148.87
Matrix: 1.0000  0.0000  0.0000  0.0000  1.0000  0.0000  0.0000  0.0000  1.0000

Option A selected

-------------------------------------------------------------------------------

Matrix input to transform current cell:
    0.0000  0.0000  1.0000    1.0000  0.0000  0.0000    0.5000  0.5000  0.0000

Transformation from original cell (HKLF-matrix):
    0.0000  0.0000  1.0000    1.0000  0.0000  0.0000    0.5000  0.5000  0.0000

Unitcell:       5.791    7.498   13.750   74.18   90.00   90.00

SPACE GROUP DETERMINATION


Lattice exceptions:  P      A      B      C      I      F     Obv    Rev    All

N (total) =           0   1417   1358   1455   1294   2115   1837   1823   2757
N (int>3sigma) =      0   1142   1097    985   1049   1612   1493   1479   2236
Mean intensity =    0.0   90.3   91.6   77.4   80.7   86.3   84.4   85.3   83.9
Mean int/sigma =    0.0   12.5   12.6   10.5   12.6   11.9   12.4   12.5   12.4


Crystal system A and Lattice type P selected

Mean |E*E-1| = 0.761 [expected .968 centrosym and .736 non-centrosym]

Chiral flag NOT set
Systematic absences not required for triclinic

Option  Space Group  No.  Type  Axes  CSD  R(int) N(eq)  Syst. Abs.   CFOM

[A] P-1            #  2  centro   1  8646  0.020  1376   0.0 / 12.4   5.09
[B] P1             #  1  chiral   1   700  0.020  1376   0.0 / 12.4   1.01

Option [B] chosen
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