Output from "TOTOPOL", (version 1.92, 17 Jul 2017, Mike Treacy).

Report for the framework in file "public/tmp/tmp_91a_1_94_p_UFro.cif"

There are 8 T-atoms per unit cell
There are 16 O-atoms per unit cell

Framework density = 33.33 T-atoms per nm^3
Material density = 3.326 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.6220 Angstrom
T1  -- O2  = 1.8060 Angstrom
T1  -- O3  = 1.8070 Angstrom
T1  -- O1  = 1.5771 Angstrom
      mean = 1.7031 Angstrom
        t1 = 0.149766  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.127148  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.5771 A <--> 1.8070 A
          Mean   = 1.7031 A
          StdDev = 0.1064 A

       t1 Range  = 0.1498 <-- 0.1498 --> 0.1498
       t2 Range  = 0.1271 <-- 0.1271 --> 0.1271

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  =  82.980 deg; O1  -- O2  = 2 A
O1  -- T1  -- O3  =  83.581 deg; O1  -- O3  = 2 A
O1  -- T1  -- O1  = 129.187 deg; O1  -- O1  = 3 A
O2  -- T1  -- O3  = 108.995 deg; O2  -- O3  = 3 A
O2  -- T1  -- O1  =  82.994 deg; O2  -- O1  = 2 A
O3  -- T1  -- O1  = 146.910 deg; O3  -- O1  = 3 A
       82.980 deg <-- 105.774 deg --> 146.910 deg

        O-T-O SUMMARY
          Range  = 82.9797 deg <--> 146.9104 deg
          Mean   = 105.4817 deg
          StdDev = 26.5053 deg

        O--O SUMMARY
          Range  = 2.2482 A <--> 3.2447 A
          Mean   = 2.6214 A
          StdDev = 0.4049 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 160.771 deg ; T1  -- T1   3.1542 A

T1  -- O2  -- T1  = 153.766 deg ; T1  -- T1   3.5178 A

T1  -- O3  -- T1  = 137.927 deg ; T1  -- T1   3.3732 A


        T-O-T SUMMARY
          Range  = 137.9267° <--> 160.7708 deg
          Mean   = 150.8213 deg
          StdDev = 9.7613 deg

        T--T SUMMARY
          Range  = 3.1542 A <--> 3.5178 A
          Mean   = 3.3484 A
          StdDev = 0.1527 A

-------------------------------------------------------------------
------------------------ *** WARNINGS *** -------------------------
-------------------------------------------------------------------

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O1  -- O2  = 2.2752 A
O1  -- O3  = 2.2893 A
O1  -- O2  = 2.2482 A

T-T-T analysis was not conducted.

SOME T-ATOM DISTANCES ARE OUTSIDE THE NORMAL RANGE
T1  has 5 neighboring T-atoms within 3.50 A, but only 4 bridging O-atoms
  T1  -- T1  = 3.3732 Angstrom
  T1  -- T1  = 3.3802 Angstrom
  T1  -- T1  = 3.1542 Angstrom
  T1  -- T1  = 3.1542 Angstrom
  T1  -- T1  = 2.8484 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 8
Coordination Sequence =
    1 4 10 24 47 74 105 145 190 239 299 362 428 507 589 673 770
TD10 = 1138
Circuit symbol = 4.8.4.8_{5}.6.8_{8}
Weight = 33
Vertex symbol  = 4.8.4.8_{5}.8_{6}.8_{8}
Weight = 39

<TD10> = 1138.000
Average ring size = 7.3333
