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Atomistic Simulation studies of the Cement Paste Components

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Appendix 7. Structural Paremeters <strong>of</strong> Tricalcium Aluminate<br />

Table 2.- Structural parameters <strong>of</strong> <strong>the</strong> Ca coordination polyhedra. The bond lengths are given in Å and<br />

<strong>the</strong> angles, in degrees. The atom labels follow those <strong>of</strong> figure 6.2.2 <strong>of</strong> chapter 6. The experimental values<br />

are those <strong>of</strong> reference [24]. Continues in <strong>the</strong> next pages<br />

Bonds distances (Å) angles (º)<br />

This work Exp This work Exp<br />

Ca1 O6 2.391 2.338 O6 Ca2 O6 103.21 102.23<br />

O6 Ca2 O6 76.78 77.77<br />

Ca2 O6 2.468 2.391 O5 Ca2 O5 103.81 99.01<br />

O5 Ca2 O5 76.23 80.99<br />

Ca3 O3 2.322 2.351 O3 Ca2 O3 104.298 103.42<br />

O4 2.394 2.357 O3 Ca2 O4 92.35 93.60<br />

O3 Ca2 O4 161.95 162.50<br />

O4 Ca2 O4 84.24 86.49<br />

O3 Ca2 O4 77.21 76.05<br />

Ca4 O1 2.511 2.525 O1 Ca4 O1 114.38 118.23<br />

O4 2.455 2.543 O1 Ca4 O4 90.94 84.92<br />

O5 3.324 3.012 O1 Ca4 O4 66.78 64.27<br />

O1 Ca4 O4 148.36 142.59<br />

O1 Ca4 O5 54.57 58.48<br />

O1 Ca4 O5 64.87 69.36<br />

O1 Ca4 O5 118.09 126.02<br />

O4 Ca4 O4 81.68 79.43<br />

O4 Ca4 O5 91.66 90.81<br />

O4 Ca4 O5 155.51 154.17<br />

O4 Ca4 O5 120.84 122.53<br />

O5 Ca4 O5 71.51 74.27<br />

203

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