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

Report for the framework in file "public/tmp/tmp_181a_1_2087_skPkd9.cif"

There are 12 T-atoms per unit cell
There are 24 O-atoms per unit cell

Framework density = 27.29 T-atoms per nm^3
Material density = 2.723 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.1993 Angstrom
T1  -- O2  = 1.8624 Angstrom
T1  -- O3  = 1.6937 Angstrom
T1  -- O4  = 1.6156 Angstrom
      mean = 1.5927 Angstrom
        t1 = 0.126199  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.142413  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.1993 A <--> 1.8624 A
          Mean   = 1.5927 A
          StdDev = 0.2466 A

       t1 Range  = 0.1262 <-- 0.1262 --> 0.1262
       t2 Range  = 0.1424 <-- 0.1424 --> 0.1424

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  =  94.557 deg; O1  -- O2  = 2 A
O1  -- T1  -- O3  =  92.569 deg; O1  -- O3  = 2 A
O1  -- T1  -- O4  = 123.652 deg; O1  -- O4  = 2 A
O2  -- T1  -- O3  = 119.034 deg; O2  -- O3  = 3 A
O2  -- T1  -- O4  = 109.967 deg; O2  -- O4  = 3 A
O3  -- T1  -- O4  = 115.279 deg; O3  -- O4  = 3 A
       92.569 deg <-- 109.176 deg --> 123.652 deg

        O-T-O SUMMARY
          Range  = 92.5687 deg <--> 123.6521 deg
          Mean   = 109.1764 deg
          StdDev = 11.9581 deg

        O--O SUMMARY
          Range  = 2.1187 A <--> 3.0657 A
          Mean   = 2.6025 A
          StdDev = 0.3354 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 164.902 deg ; T1  -- T1   2.3778 A

T1  -- O2  -- T1  = 156.749 deg ; T1  -- T1   3.6483 A

T1  -- O3  -- T1  = 125.421 deg ; T1  -- T1   3.0103 A

T1  -- O4  -- T1  = 176.471 deg ; T1  -- T1   3.2296 A


        T-O-T SUMMARY
          Range  = 125.4211° <--> 176.4709 deg
          Mean   = 155.8858 deg
          StdDev = 19.1337 deg

        T--T SUMMARY
          Range  = 2.3778 A <--> 3.6483 A
          Mean   = 3.0665 A
          StdDev = 0.4638 A

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

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O1  -- O2  = 2.2938 A
O1  -- O3  = 2.1187 A
O1  -- O2  = 2.2938 A
O1  -- O3  = 2.1187 A
O2  -- O3  = 2.1560 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  = 3.3262 Angstrom
  T1  -- T1  = 3.0103 Angstrom
  T1  -- T1  = 3.2296 Angstrom
  T1  -- T1  = 3.3261 Angstrom
  T1  -- T1  = 2.3778 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 12
Coordination Sequence =
    1 4 10 21 43 78 120 172 238 310 393 483 585 691 809 933 1069
TD10 = 1390
Circuit symbol = 4.6_{2}.4.8_{2}.6.6_{2}
Weight = 10
Vertex symbol  = 4.6_{2}.4.10_{18}.6_{2}.10_{3}
Weight = 46

<TD10> = 1390.000
Average ring size = 8.2653
