What's the difference between monoclinic and triclinic?

Monoclinic


Definition:

  • (a.) Having one oblique intersection; -- said of that system of crystallization in which the vertical axis is inclined to one, but at right angles to the other, lateral axis. See Crystallization.

Example Sentences:

  • (1) The crystals are monoclinic, space group C2, with a = 57.18 A, b = 21.63 A, c = 36.40 A, beta = 95.22 degrees, and one hairpin molecule per asymmetric unit.
  • (2) The space group symmetry is R21; the monoclinic unit cell contains two molecules and has the dimensions a = 12.4291(8), b = 7.4511(5), c = 12.7854(7) angstroms and beta = 102.295(7) degrees.
  • (3) Pure monoclinic or triclinic calcium pyrophosphate dihydrate (CPPD) crystals, apatite crystals or mixtures of these crystals were injected into the synovial-like space created by the rat air pouch to compare the acute inflammation induced by these crystals.
  • (4) Crystals of 3 are monoclinic: P2(1), a = 5.317(2), b = 17.059(6), c = 9.514(3) A, beta = 99.18(3), Z = 2.
  • (5) C10H8F4N10O18, Mr = 632.22, monoclinic, Pc, a = 7.8885 (6), b = 6.7787 (4), c = 21.595 (2) A, beta = 108.21 (1) degree, V = 1096 (1) A3, Z = 2, Dx = 1.914 g cm-3, lambda(Cu K alpha) = 1.5418 A, mu = 18.7 cm-1, F(000) = 636, T = 293 K, 1791 unique data, 1733 with I greater than 3 sigma (I), R = 0.047.
  • (6) A large number of epitaxially dimensional matches between MSU and triclinic (t) and monoclinic (m) CPPD were identified, suggesting that MSU crystals can epitaxially induce CPPD crystal growth.
  • (7) C16H22NO+2.Cl-, Mr = 295.808, monoclinic, P2(1), a = 11.967 (1), b = 12.529 (1), c = 9.9369 (9) A, beta = 93.00 (1) degrees, V = 1487.8 (2) A3, Z = 4, Dm = 1.32 (2), Dx = 1.321 Mg m-3, lambda(Cu K alpha) = 1.54178 A, mu(Cu K alpha) = 2.289 mm-1, F(000) = 632, T = 291 K, final R = 0.040 for 2448 observed reflections.
  • (8) 7120 flavodoxin belong to the monoclinic space group P2(1) with a = 48.0, b = 32.0, c = 51.6 A, and beta = 92 degrees, and one molecule in the asymmetric unit.
  • (9) Crystals grown from ammonium sulfate solutions belong to monoclinic space group C2 with a = 125 A, b = 111 A, c = 83.5 A and beta = 108degrees 45'.
  • (10) These crystals are monoclinic, space group C2, with unit cell dimensions, a = 2.845 nm, b = 1.354 nm, c = 3.413 nm, beta = 98.6 degrees.
  • (11) Form II crystallizes as monoclinic blocks, space group P21 with a = 64.5 A, b = 35.1 A, c = 25.2 A and beta = 91.8 degrees.
  • (12) L-Valyl-L-lysine hydrochloride, C11N3O3H23 HCl, crystallizes in the monoclinic space group P2(1) with a = 5.438(5), b = 14.188(5), c = 9.521(5) A, beta = 95.38(2) degrees and Z = 2.
  • (13) The unit cell is monoclinic, space group P2(1), with unit cell parameters: a = 41.4 A, b = 40.1 A, c = 37.5 A, beta = 90.01 degrees.
  • (14) GPb complexed with pyridoxal 5'-diphosphate (PLPP) has been crystallized in the presence of IMP and ammonium sulfate in the monoclinic R-state crystal form and the structure refined from X-ray data to 2.8 A resolution to a crystallographic R value of 0.21.
  • (15) The crystals are monoclinic with unit cell dimensions a = 121.2 A, b = 110.5 A, c = 81.8 A, and beta = 97.6 degrees, belonging to space group C2, and contain two molecules in the asymmetric unit.
  • (16) One grows as monoclinic plates, space group P2(1), with cell dimensions a = 66.9 A, b = 75.2 A, c = 86.9 A and beta = 102.9 degrees and the other as long hexagonal rods in space group P6(1)22 or P6(5)22, with cell dimensions a = b = 119 A, c = 83 A.
  • (17) To ascertain the sites that are available for strong binding between magnesium ions and phosphate groups in yeast phenylalanine transfer RNA, all distances below 5.5 A separating the phosphoryl oxygens (Op) of the 76 nucleotide residues have been computed from the latest atomic coordinates for the monoclinic form of the tRNA crystallized in the presence of magnesium chloride.
  • (18) One of them is monoclinic, space group P21, with unit cell dimensions a = 145.6 A, b = 78.1 A, c = 63.1 A, beta = 89.05 degrees, consistent with the presence of two molecules of the complex in the asymmetric unit.
  • (19) The crystals are monoclinic space group P2(1) with a = 42.6, b = 68.1, c = 50.2 A and beta = 112.9 degrees.
  • (20) Crystals are monoclinic, space group P2(1) with a = 5.088(2), b = 17.112(17), c = 9.581(6) A, beta = 92.34(4) degrees, Z = 2.

Triclinic


Definition:

  • (a.) Having, or characterized by, three unequal axes intersecting at oblique angles. See the Note under crystallization.

Example Sentences:

  • (1) Comparison with earlier neutron studies on triclinic lysozyme showed that neither the molecular structure nor the thermal motions were affected significantly by the ethanol.
  • (2) Crystals of azimexon are triclinic, space group P1, with a = 6.342(2), b = 6.804(1), c = 13.106(2) A, alpha = 75.17(1), beta = 89.17(2), gamma = 83.26(2) degrees, V = 542.8 A3, Z = 2, D0 = 1.18 g cm-3 and Dc = 1.189 g cm-3.
  • (3) Pure monoclinic or triclinic calcium pyrophosphate dihydrate (CPPD) crystals, apatite crystals or mixtures of these crystals were injected into the synovial-like space created by the rat air pouch to compare the acute inflammation induced by these crystals.
  • (4) It is suggested that distortion in the hexagonal lattice below the pretransition temperature previously reported by X-ray diffraction techniques may be responsible for interchain interactions which give rise to a Raman band observed only in the triclinic lattice of even-numbered n-alkanes.
  • (5) Methyl [4aS*-(4 alpha,4a beta,7 beta,13b beta,14a beta)]-7,8,13,13b,14,14a- hexahydro-4-methyl-5-oxo-4H-indolo-[2,3-a]pyrano[3,4-g]qu inolizine-7-carboxylate acetone solvate, C22H22N2O4.C3H6O, Mr = 424.50, triclinic, P1, a = 9.9955(13), b = 10.8523(14), c = 11.9352(14) A, alpha = 63.189(9), beta = 72.286(9), gamma = 72.901(10) degrees, V = 1081.8(2) A3, Z = 2, Dx = 1.30 g cm-3(198K), mu = 0.8554 cm-1, Mo K alpha radiation, lambda = 0.7107 A, F(000) = 452, T = 198 K, R = 0.0435 for 3842 reflections, FO greater than or equal to 4 sigma (FO).
  • (6) A large number of epitaxially dimensional matches between MSU and triclinic (t) and monoclinic (m) CPPD were identified, suggesting that MSU crystals can epitaxially induce CPPD crystal growth.
  • (7) The second form crystallizes in the triclinic space group P1, with unit cell dimensions a = 134.0 A, b = 144.7 A, c = 98.6 A, alpha = 90.30 degrees, beta = 97.1 degrees, gamma = 90.20 degrees, consistent with the presence of 10 to 12 molecules of the complex in the unit cell.
  • (8) (1) (2S,3R,4R,6R)-3,4-O-Carbonyl-7,7-dimethylenedithio-2,4,6-trimet hylnonane-1,3,4-triol, C15H26O4S2, M(r) = 334.49, triclinic, P1, a = 6.460 (2), b = 8.917 (3), c = 15.616 (5) A, alpha = 83.60 (3), beta = 83.41 (2), gamma = 89.52 (2) degrees, V = 888.0 (5) A3, Z = 2, Dx = 1.25 g cm-3, mu = 2.980 cm-1, lambda (Mo K alpha) = 0.7107 A, F(000) = 360, T = 298 K, R = 0.0465 for 1832 reflections [Fo greater than or equal to 4 sigma (Fo)].
  • (9) Oriented films of the sodium salt of heparin crystallize in a triclinic unit cell.
  • (10) N-(tert-Butylcarbonylglycylaminoethyl)-N-(ethyl)ammonium tetraphenylborate, C11H24N3O+2.C24H20B-, Mr = 549.57, triclinic, P-1, a = 11.567 (2), b = 11.922 (2), c = 14.484 (3) A, alpha = 70.99 (2), beta = 74.83 (2), gamma = 59.33 (1) degrees, V = 1613.1 A3, Z = 2, D chi = 1.13 g cm-3, lambda(Cu K alpha) = 1.5418 A, mu = 4.69 cm-1, mu Rmax much less than 1, F(000) = 592, T = 293 K, R = 0.058 for 3491 observed reflections.
  • (11) 4Li+.C14H4O8(4-).12H2O, M(r) = 544.18, triclinic, P1, a = 9.608 (2), b = 10.034 (2), c = 7.033 (1) A, alpha = 94.29 (1), beta = 96.95 (1), gamma = 64.52 (1) degree, V = 607.4 (2) A3, Z = 1, D chi = 1.49 g cm-3, lambda (Mo K alpha) = 0.71073 A, mu = 1.29 cm-1, T = 295 K, F(000) = 284, R = 0.039 for 2781 unique reflections having I greater than sigma I.
  • (12) [Rh2(C2H3O2)4(C11H16N5O4)2].H2O, Mr = 1024.6, triclinic, P1, a = 7.808 (3), b = 11.469 (4), c = 12.091 (2) A, alpha = 69.55 (2), beta = 79.46 (2), gamma = 76.61 (3) degrees, V = 980.7 (6) A3, Z = 1, Dx = 1.735 g cm-3, lambda (Cu K alpha) = 1.5418 A, mu = 77.6 cm-1, F(000) = 522, room temperature, R = 0.053 for 3638 unique reflections.
  • (13) The crystals are triclinic, space group P1, with two protein molecules in the unit cell; unit cell parameters are a = 55.8 A, b = 40.1 A, c = 33.7 A, alpha = 90.0 degrees, beta = 109.3 degrees, gamma = 93.2 degrees.
  • (14) Two related crystal forms have been obtained, one triclinic, and one tetragonal, both with one toxin molecule per asymmetric unit.
  • (15) Synthetic triclinic calcium pyrophosphate dihydrate crystals were uniformly trace-labeled with Ytterbium-169 (169Yb), a pure gamma-emitting isotope with a halflife of 31 days.
  • (16) The presence of both ferrous and ferric ions resulted in the more rapid formation of the two crystals observed in vivo, triclinic CPPD and monoclinic CPPD.
  • (17) Cross-linked triclinic lysozyme was denatured with sodium dodecyl sulfate.
  • (18) Following dissolution of the triclinic crystals, the second crystal form also grew at 277 K but remained stable even at room temperature.
  • (19) One hundred and ten kinds of reciprocal lattice planes of the triclinic calcium pyrophosphate dihydrate (CPPD) crystal were made from its crystallographical data.
  • (20) C18H16Cl3NO, Mr = 368.69, triclinic, P1-, a = 10.360 (1), b = 10.397 (1), c = 10.810 (2) A, alpha = 60.84 (1), beta = 57.22 (1), gamma = 70.97 (1) degrees, V = 852 (1) A3, Z = 2, Dx = 1.437 Mg m-3, Mo K alpha radiation, lambda = 0.71073 A, mu = 0.54 mm-1, F(000) = 380, T = 293 (1) K, R = 0.0287 for 2330 observed reflections with I greater than 3 sigma (I).