Table 3 Crystallographic data for compounds 2a-b, 3, 3a-b, and 4.

From: Surface modifications of eight-electron palladium silver superatomic alloys

Compound

2a

2b

3

3a and 3b

4

Empirical formula

C72H168Ag20O24P12PdS24

C96H216Ag20O24P12Pd S24

C72H168Ag20O24P12Pd Se24

C72H168Ag20O24P12PdSe24

C72H168Ag20O24P12PdSe24

Crystal system, space group

Triclinic, P\(\bar{1}\)

Hexagonal, P 63

Monoclinic, Pn

Trigonal, P31c

Monoclinic, P21

a (Å)

15.8599(12)

19.2447(7)

17.9414(11)

22.5252(9)

15.9494(6)

b (Å)

18.0946(14)

19.2447(7)

26.7432(15)

22.5252(9)

29.3080(12)

c (Å)

29.382(2)

26.1772(12)

18.8174(11)

40.401(2)

16.4792(7)

α (°)

82.1487(15)

90

90

90

90

β (°)

77.2002(15)

90

113.2950(10)

90

107.4809(10)

γ (°)

66.2229(13)

120

90

120

90

V(Å3)

7514.0(10)

8396.1(7)

8292.8(8)

17752.5(17)

7347.4(5)

Z

2

2

2

4

2

ρcalcd, g·cm−3

2.132

2.041

2.382

2.226

2.689

μ, mm−1

3.166

2.841

7.834

7.319

8.842

Temperature, K

150(2)

100(2)

150(2)

150(2)

100(2)

θmax, deg./completeness, %

25.00/95.8

24.999/100

25.00/99.6

24.99/99.9

24.99 / 99.9

Reflections collected/unique

44,057/25,382 [R(int) = 0.0237]

58,687/7962 [R(int) = 0.1157]

48,427/22,452 [R(int) = 0.0217]

113,818/ 20,789 [R(int) = 0.0863]

48,724/25,686 [R(int) = 0.0512]

Restraints/parameters

459/1432

582/680

818/1550

712/967

456/1440

R1a, wR2b [I > 2σ(I)]

0.0668,0.1355

0.0798, 0.1909

0.0342, 0.0887

0.1125,0.3046

0.0399,0.0971

R1a, wR2b (all data)

0.0867,0.1511

0.1036, 0.2320

0.0387, 0.0919

0.1291,0.3191

0.0477,0.1046

Absolute structure parameter

0.40(18)

0.037(9)

0.18(3)

0.327(9)

Goodness of fit on F2

1.084

1.102

1.031

1.037

1.023

Largest diff. peak and hole, e/Å 3

1.897 and −1.680

1.686 and −1.393

1.572 and −0.866

2.540 and −2.782

1.750 and −1.625

  1. a\(R1=\Sigma ||{F}_{o}|-|{F}_{c}||/\Sigma |{F}_{o}|\).
  2. b\(wR2={\{\Sigma [w{({F}_{o}^{2}-{{{{{{\rm{F}}}}}}}_{c}^{2})}^{2}]/\Sigma [w{({F}_{o}^{2})}_{2}]\}}^{1/2}\).