Forms of [R-(R*,R*)]-2-(4-fluorophenyl)-beta, gamma-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid calcium salt (2:1)

A Form XXVI atorvastatin calcium having an X-ray powder diffraction containing the following 2θ values measured using CuKa radiation:

• 3.7, 8.4, 9.0, 17.1, 17.7, 18.7, 20.1, 22.3, and 23.0.

A Form XXV atorvastatin calcium having an X-ray powder diffraction containing the following 2θ values measured using CuKa radiation:

• 7.4, 8.7, 19.2, and 20.0, and a solid state 19F nuclear magnetic resonance having the following chemical shifts expressed in parts per million:
• −113.2, −116.3, and −118.4.

A Form XXV atorvastatin calcium having an X-ray powder diffraction containing the following 2θ values measured using CuKa radiation:

• 3.1, 5.2, 6.4, 7.4, 7.9, 8.7, 10.4, 12.0, 12.7, 16.6, 18.1, 19.2, 20.0, 20.7, 22.8, 23.2, 24.4, 25.6, 26.5, and 29.3.

A Form XXVI atorvastatin calcium having an X-ray powder diffraction containing the following 2θ values measured using CuKa radiation:

• 3.7, 7.3, 8.4, 9.0, 12.2, 16.0, 17.1, 17.7, 18.7, 20.1, 20.7, 22.3, 23.0, 25.2, and 28.7.

A Form XXV atorvastatin calcium having an X-ray powder diffraction containing the following 2θ values measured using CuKa radiation:

• 3.1, 5.2, 7.4, 8.7, 23.2, and 24.4.

A Form XXVI atorvastatin calcium having an X-ray powder diffraction containing the following 2θ values measured using CuKa radiation:

• 3.7, 8.4, 9.0, 17.1, 18.7, 20.1, and 23.0.

A Form XXV atorvastatin calcium characterized by Raman spectroscopy having the following peaks expressed in cm−1:

• 138, 224, 245, 300, 422, 495, 617, 644, 697, 726, 825, 859, 901, 1001, 1034, 1058, 1112, 1159, 1181, 1243, 1320, 1368, 1397, 1412, 1477, 1528, 1604, 1654, 2257, 2933, and 3063.

A Form XXV atorvastatin calcium having a solid state 13C nuclear magnetic resonance having the following chemical shifts expressed in parts per million:

• 186.3, 185.0, 182.5, 177.0, 167.0, 166.2, 162.8, 160.9, 138.6, 136.1, 133.4, 129.2, 128.5, 126.0, 124.0, 121.5, 120.7, 118.0, 116.8, 116.0, 69.9, 68.0, 46.4, 43.3, 40.9, 25.7, 25.2, 21.3, 20.0, and 0.6.

A Form XXV atorvastatin calcium having a solid state 19F nuclear magnetic resonance having the following chemical shifts expressed in parts per million:

• −113.2, −116.3, and −118.4.