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

Report for the framework in file "public/tmp/tmp_181_1_666_dOitEW.cif"

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

Framework density = 22.37 T-atoms per nm^3
Material density = 2.232 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O2  = 1.6742 Angstrom
T1  -- O3  = 1.6161 Angstrom
T1  -- O4  = 1.5464 Angstrom
T1  -- O1  = 1.6606 Angstrom
      mean = 1.6243 Angstrom
        t1 = 0.071488  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.059339  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.5464 A <--> 1.6742 A
          Mean   = 1.6243 A
          StdDev = 0.0504 A

       t1 Range  = 0.0715 <-- 0.0715 --> 0.0715
       t2 Range  = 0.0593 <-- 0.0593 --> 0.0593

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O2  -- T1  -- O3  = 110.294 deg; O2  -- O3  = 3 A
O2  -- T1  -- O4  = 100.465 deg; O2  -- O4  = 2 A
O2  -- T1  -- O1  = 126.224 deg; O2  -- O1  = 3 A
O3  -- T1  -- O4  = 109.331 deg; O3  -- O4  = 3 A
O3  -- T1  -- O1  = 111.318 deg; O3  -- O1  = 3 A
O4  -- T1  -- O1  =  96.394 deg; O4  -- O1  = 2 A
       96.394 deg <-- 109.004 deg --> 126.224 deg

        O-T-O SUMMARY
          Range  = 96.3939 deg <--> 126.2243 deg
          Mean   = 109.0042 deg
          StdDev = 9.5821 deg

        O--O SUMMARY
          Range  = 2.3918 A <--> 2.9743 A
          Mean   = 2.6382 A
          StdDev = 0.1904 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
T1  - O2  - T1  - O3  - T1  = 109.407 deg; T1  -- T1  = 5.0979 A
T1  - O2  - T1  - O4  - T1  = 111.130 deg; T1  -- T1  = 5.2103 A
T1  - O2  - T1  - O1  - T1  =  96.274 deg; T1  -- T1  = 4.7880 A
T1  - O3  - T1  - O4  - T1  =  79.793 deg; T1  -- T1  = 3.9123 A
T1  - O3  - T1  - O1  - T1  = 152.816 deg; T1  -- T1  = 6.0377 A
T1  - O4  - T1  - O1  - T1  =  99.550 deg; T1  -- T1  = 4.7984 A

        T-T-T SUMMARY
          Range  = 79.7928 deg <--> 152.8163 deg
          Mean   = 108.1617 deg
          StdDev = 22.7709 deg

        T--T SUMMARY
          Range  = 3.9123 A <--> 6.0377 A
          Mean   = 4.9741 A
          StdDev = 0.6408 A

-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 148.725 deg ; T1  -- T1   3.1982 A

T1  -- O2  -- T1  = 128.295 deg ; T1  -- T1   3.0134 A

T1  -- O3  -- T1  = 176.690 deg ; T1  -- T1   3.2308 A

T1  -- O4  -- T1  = 172.268 deg ; T1  -- T1   3.0857 A


        T-O-T SUMMARY
          Range  = 128.2948° <--> 176.6901 deg
          Mean   = 156.4944 deg
          StdDev = 19.6496 deg

        T--T SUMMARY
          Range  = 3.0134 A <--> 3.2308 A
          Mean   = 3.1320 A
          StdDev = 0.0880 A

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 12
Coordination Sequence =
    1 4 11 23 46 76 113 163 212 273 347 427 510 596 703 813 925
TD10 = 1269
Circuit symbol = 4.5_{2}.5.8_{3}.5.8_{4}
Weight = 24
Vertex symbol  = 4.5_{2}.5.8.5.8_{2}
Weight = 24

<TD10> = 1269.000
Average ring size = 5.6140
