System

Transition

Theory

Comparison

Present

λ

Accad et al.

λnrel

Accad et al.

λtot

|λ – λnrel|

|λ – λtot|

1S-2¹P

199.2800

199.2813

199.2791

0.0013

0.0009

Li II

1S-3¹P

178.0140

178.0162

178.0143

0.0022

0.0003

1S-4¹P

171.5750

171.5776

171.5757

0.0026

0.0007

1S-5¹P

168.7421

1S-2¹P

80.2522

80.2600

80.2535

0.0078

0.0013

Be III

1S-3¹P

88.3140

88.3134

88.3075

0.0006

0.0065

1S-4¹P

84.7502

84.7588

84.7532

0.0086

0.0030

1S-5¹P

83.1934

83.2044

83.1989

0.090

0.0055

1S-2¹P

60.390

60.3224

60.3135

0.094

0.0025

B IV

1S-3¹P

52.6852

52.6876

52.6800

0.0024

0.0052

1S-4¹P

50.4334

50.4408

50.4335

0.0074

0.0001

1S-5¹P

49.4536

49.4621

49.4549

0.0085

0.0013

1S-2¹P

40.2647

40.2774

40.2671

0.0127

0.0024