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

Report for the framework in file "public/tmp/tmp_40_1_2__O_bbf.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  = 1.7467 Angstrom
T1  -- O2  = 1.6734 Angstrom
T1  -- O3  = 1.6851 Angstrom
T1  -- O1  = 1.7427 Angstrom
      mean = 1.7120 Angstrom
        t1 = 0.122482  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.072791  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.6734 A <--> 1.7467 A
          Mean   = 1.7120 A
          StdDev = 0.0336 A

       t1 Range  = 0.1225 <-- 0.1225 --> 0.1225
       t2 Range  = 0.0728 <-- 0.0728 --> 0.0728

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  =  83.905 deg; O1  -- O2  = 2 A
O1  -- T1  -- O3  = 100.323 deg; O1  -- O3  = 3 A
O1  -- T1  -- O1  = 130.036 deg; O1  -- O1  = 3 A
O2  -- T1  -- O3  = 131.044 deg; O2  -- O3  = 3 A
O2  -- T1  -- O1  = 110.897 deg; O2  -- O1  = 3 A
O3  -- T1  -- O1  = 103.146 deg; O3  -- O1  = 3 A
       83.905 deg <-- 109.892 deg --> 131.044 deg

        O-T-O SUMMARY
          Range  = 83.9053 deg <--> 131.0438 deg
          Mean   = 107.9690 deg
          StdDev = 16.2683 deg

        O--O SUMMARY
          Range  = 2.2870 A <--> 3.1630 A
          Mean   = 2.7479 A
          StdDev = 0.2904 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 130.036 deg ; T1  -- T1   3.1630 A

T1  -- O2  -- T1  = 137.767 deg ; T1  -- T1   3.1220 A

T1  -- O3  -- T1  = 117.113 deg ; T1  -- T1   2.8754 A


        T-O-T SUMMARY
          Range  = 117.1126° <--> 137.7671 deg
          Mean   = 128.3052 deg
          StdDev = 8.7037 deg

        T--T SUMMARY
          Range  = 2.8754 A <--> 3.1630 A
          Mean   = 3.0534 A
          StdDev = 0.1298 A

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

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O1  -- O2  = 2.2870 A

T-T-T analysis was not conducted.

SOME T-ATOM DISTANCES ARE OUTSIDE THE NORMAL RANGE
T1  has 6 neighboring T-atoms within 3.50 A, but only 4 bridging O-atoms
  T1  -- T1  = 3.1630 Angstrom
  T1  -- T1  = 2.8754 Angstrom
  T1  -- T1  = 3.1220 Angstrom
  T1  -- T1  = 3.1630 Angstrom
  T1  -- T1  = 3.1630 Angstrom
  T1  -- T1  = 3.1630 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 8
Coordination Sequence =
    1 4 10 24 50 86 130 182 242 310 386 470 562 662 770 886 1010
TD10 = 1425
Circuit symbol = 4.8_{3}.4.8_{3}.6.8_{2}
Weight = 32
Vertex symbol  = 4.8_{3}.4.8_{3}.8_{2}.*
Weight = 32

<TD10> = 1425.000
Average ring size = 6.6667
