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

Report for the framework in file "public/tmp/tmp_181a_1_970_pmcDXX.cif"

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

Framework density = 31.47 T-atoms per nm^3
Material density = 3.140 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.8295 Angstrom
T1  -- O2  = 1.7405 Angstrom
T1  -- O3  = 1.4114 Angstrom
T1  -- O4  = 1.8456 Angstrom
      mean = 1.7068 Angstrom
        t1 = 0.202134  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.159511  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.4114 A <--> 1.8456 A
          Mean   = 1.7068 A
          StdDev = 0.1770 A

       t1 Range  = 0.2021 <-- 0.2021 --> 0.2021
       t2 Range  = 0.1595 <-- 0.1595 --> 0.1595

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  = 115.133 deg; O1  -- O2  = 3 A
O1  -- T1  -- O3  =  85.799 deg; O1  -- O3  = 2 A
O1  -- T1  -- O4  = 125.270 deg; O1  -- O4  = 3 A
O2  -- T1  -- O3  =  66.197 deg; O2  -- O3  = 2 A
O2  -- T1  -- O4  = 115.416 deg; O2  -- O4  = 3 A
O3  -- T1  -- O4  =  96.199 deg; O3  -- O4  = 2 A
       66.197 deg <-- 100.669 deg --> 125.270 deg

        O-T-O SUMMARY
          Range  = 66.1972 deg <--> 125.2699 deg
          Mean   = 100.6689 deg
          StdDev = 20.5411 deg

        O--O SUMMARY
          Range  = 1.7432 A <--> 3.2639 A
          Mean   = 2.6202 A
          StdDev = 0.5389 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 138.014 deg ; T1  -- T1   3.4162 A

T1  -- O2  -- T1  = 139.222 deg ; T1  -- T1   3.2629 A

T1  -- O3  -- T1  = 125.473 deg ; T1  -- T1   2.5094 A

T1  -- O4  -- T1  = 127.600 deg ; T1  -- T1   3.3119 A


        T-O-T SUMMARY
          Range  = 125.4734° <--> 139.2222 deg
          Mean   = 132.5775 deg
          StdDev = 6.1669 deg

        T--T SUMMARY
          Range  = 2.5094 A <--> 3.4162 A
          Mean   = 3.1251 A
          StdDev = 0.3636 A

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

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O1  -- O3  = 2.2273 A
O1  -- O3  = 2.2273 A
O2  -- O3  = 1.7432 A
O2  -- O3  = 1.7432 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  = 3.2629 Angstrom
  T1  -- T1  = 2.5094 Angstrom
  T1  -- T1  = 3.3119 Angstrom
  T1  -- T1  = 3.4162 Angstrom
  T1  -- T1  = 2.7086 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 12
Coordination Sequence =
    1 4 9 18 32 52 82 115 147 187 237 290 342 404 476 547 621
TD10 = 884
Circuit symbol = 4.6.4.6.4.6
Weight = 8
Vertex symbol  = 4.8.4.8.4.8_{2}
Weight = 26

<TD10> = 884.000
Average ring size = 5.6000
