9.7 Table of univalent covalent radii used in USPEX

Table of covalent radii (in $\text {\r{A}}$) used in USPEX (for hardness calculations, etc.):

Z

Element

radius

Z

Element

radius

Z

Element

radius

1

H

0.31

30

Zn

1.22

63

Eu

1.98

2

He

0.28

31

Ga

1.22

64

Gd

1.96

3

Li

1.28

32

Ge

1.20

65

Tb

1.94

4

Be

0.96

33

As

1.19

66

Dy

1.92

5

B

0.84

34

Se

1.20

67

Ho

1.92

6

Csp$^3$

0.76

35

Br

1.20

68

Er

1.89

 

Csp$^2$

0.73

36

Kr

1.16

69

Tm

1.90

 

Csp

0.69

37

Rb

2.20

70

Yb

1.87

7

N

0.71

38

Sr

1.95

71

Lu

1.87

8

O

0.66

39

Y

1.90

72

Hf

1.75

9

F

0.57

40

Zr

1.75

73

Ta

1.70

10

Ne

0.58

41

Nb

1.64

74

W

1.62

11

Na

1.66

42

Mo

1.54

75

Re

1.51

12

Mg

1.41

43

Tc

1.47

76

Os

1.44

13

Al

1.21

44

Ru

1.46

77

Ir

1.41

14

Si

1.11

45

Rh

1.42

78

Pt

1.36

15

P

1.07

46

Pd

1.39

79

Au

1.36

16

S

1.05

47

Ag

1.45

80

Hg

1.32

17

Cl

1.02

48

Cd

1.44

81

Tl

1.45

18

Ar

1.06

49

In

1.42

82

Pb

1.46

19

K

2.03

50

Sn

1.39

83

Bi

1.48

20

Ca

1.76

51

Sb

1.39

84

Po

1.40

21

Sc

1.70

52

Te

1.38

85

At

1.50

22

Ti

1.60

53

I

1.39

86

Rn

1.50

23

V

1.53

54

Xe

1.40

87

Fr

2.60

24

Cr

1.39

55

Cs

2.44

88

Ra

2.21

25

Mn l.s.

1.39

56

Ba

2.15

89

Ac

2.15

 

h.s

1.61

57

La

2.07

90

Th

2.06

26

Fe l.s

1.32

58

Ce

2.04

91

Pa

2.00

 

h.s.

1.52

59

Pr

2.03

92

U

1.96

27

Co l.s.

1.26

60

Nd

2.01

93

Np

1.90

 

h.s.

1.50

61

Pm

1.99

94

Pu

1.87

28

Ni

1.24

62

Sm

1.98

95

Am

1.80

29

Cu

1.32

     

96

Cm

1.69

Source: Cordero et al., Dalton Trans. 2832-2838, 2008 35.