1. Approximate energy expression in the calculation of photoelectron transition energies

   • B. T. Pickup
   • D. W. Sabo

   Original Investigations Pages: 1 - 8

2. Experimentelle Prüfung von approximativen Chiralitätsfunktionen am Beispiel der optischen Aktivität von Phosphanen und Phosphinoxiden im Transparenzgebiet

   • Wolf Jürgen Richter

   Original Investigations Pages: 9 - 18

3. MO theoretical studies of electron pair decorrelation processes. I. Pair correlation energy and single bond dissociation

   • Herbert Kollmar

   Original Investigations Pages: 19 - 30

4. Universal systematic sequence of even-tempered Gaussian primitive functions in electronic correlation studies

   • Stephen Wilson

   Original Investigations Pages: 31 - 40

5. Eine Bemerkung zur Berechnung des Diamagnetismus in der X_α-Theorie

   • Hans-Georg Bartel

   Original Investigations Pages: 41 - 44

6. A graph theoretical approach to structure-property and structure-activity correlations

   • Charles L. Wilkins
   • Milan Randić

   Original Investigations Pages: 45 - 68

7. Orbital electronegativity and electron affinity of rare earth atoms using Xα-theory

   • Kali D. Sen
   • Peter C. Schmidt
   • Alarich Weiss

   Short Communications Pages: 69 - 71

8. Analysis of critical points on the potential energy surface

   • Peter Scharfenberg

   Short Communications Pages: 73 - 79