Compound

(C13H16N2)1.5HSO4 SO4·H1.5O

Color/shape

Colorless/prismatic

Formula weight

511.06 g/mol

Crystal system

monoclinic

Space group

C2/c(15)

Temperature, K

293(2)

Unit cell dimensions

a = 17.7635(10) Å

b = 9.3796(10) Å

β = 97.37(2)

c = 27.5676(10) Å

Cell volume, Å3

4555.2(6)

Z

8

Density (calculated), g/cm3

1.490

Absorption coefficient, mm−1

0.291

diffraction measurement device

Enraf-Nonius CAD4

Radiation, graphite monochr

MoKα (λ = 0.71073 Å)

Max. crystal dimensions, mm

0.15 × 0.2 × 0.3

θ range

2 - 25.00

Range of h, k

−16 ≤ h ≤ 16, −2 ≤ k ≤ 9, 0 ≤ l ≤ 26

Number of independent ref.

2108

Unique reflexions included: (I > 2σI)

1807

Computer programs

SHELX-97 [9]

Data reductions programs

Denzo [10]

Refined parameters

409

Goodness of fit on F2

1.00

R

0.0472

Rw

0.1265

Extinction coefficient

0.0002(3)

Δρmin./Δρmax. (e/Å3)

−0.480/0.311

Langest shift error max/min

0.0002/0.000