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1

Analysis of the concept of minimum energy path on the potential energy surface of chemically reacting systems

Wolfgang Quapp, Dietmar Heidrich

Journal:

Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta)

Year:

1984

Language:

english

File:

PDF, 823 KB

english, 1984

2

Searching for saddle points of potential energy surfaces by following a reduced gradient

Quapp, Wolfgang, Hirsch, Michael, Imig, Olaf, Heidrich, Dietmar

Journal:

Journal of Computational Chemistry

Year:

1998

Language:

english

File:

PDF, 468 KB

english, 1998

3

Following the streambed reaction on potential-energy surfaces: a new robust method

Wolfgang Quapp, Michael Hirsch, Dietmar Heidrich

Journal:

Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta)

Year:

2000

Language:

english

File:

PDF, 287 KB

english, 2000

4

Large-Signal Measurements and Nonlinear Characterization of an Analog Frontend for Passive UHF CMOS RFID Transponders

Essel, Jochen, Brenk, Daniel, Heidrich, Juergen, Weigel, Robert, Kissinger, Dietmar

Journal:

IEEE Transactions on Microwave Theory and Techniques

Year:

2013

Language:

english

File:

PDF, 1.70 MB

english, 2013

5

Eine Variante der quantenchemischen Geometrieoptimierung über den Gradienten der Potentialenergie am Beispiel von Pyrrol, Furan und Cyclopentan

Maria Grimmer, Dietmar Heidrich

Journal:

Zeitschrift für Chemie

Year:

1973

File:

PDF, 379 KB

1973

6

ChemInform Abstract: PYRROL, FURAN UND CYCLOPENTADIEN AUS DER SICHT LOKALISIERTER MOLEKUELORBITALE

HEIDRICH, DIETMAR

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 90 KB

1973

7

The place of sioh groups in the absolute acidity scale from ab initio calculations

Dietmar Heidrich, Dietmar Volkmann, Bronisz.xl, law Żurawski

Journal:

Chemical Physics Letters

Year:

1981

Language:

english

File:

PDF, 300 KB

english, 1981

8

„Self-consistent”-Verfahren im HMO-Formalismus; Teil I

Manfred Scholz, Dietmar Heidrich

Journal:

Zeitschrift für Chemie

Year:

1969

Language:

german

File:

PDF, 1.48 MB

german, 1969

9

The transition state of electrophilic aromatic substitution in the gas phase

Heidrich, Dietmar

Journal:

Physical Chemistry Chemical Physics

Year:

1999

Language:

english

File:

PDF, 231 KB

english, 1999

10

Quantenchemische untersuchungen zum mechanismus der elektrophilen substitution IV. Nachweis einer linearen beziehung zwischen den energien von σ- und π-komplex-strukturen

Dietmar Heidrich, Maria Grimmer

Journal:

Tetrahedron Letters

Year:

1977

Language:

german

File:

PDF, 215 KB

german, 1977

11

„Self-consistent”-Verfahren im HMO-Formalismus Teil II

Dietmar Heidrich, Manfred Scholz

Journal:

Zeitschrift für Chemie

Year:

1969

Language:

german

File:

PDF, 1.54 MB

german, 1969

12

Ab-Initio- und semiempirische LCAO-MO-Berechnungen mit Berücksichtigung der Elektronenkorrelation zum Energieprofil der H-Verschiebung im Ethylkation

Hans-Joachim Köhler, Dietmar Heidrich, Hans Lischka

Journal:

Zeitschrift für Chemie

Year:

1977

Language:

german

File:

PDF, 277 KB

german, 1977

13

ChemInform Abstract: CNDO/2-BERECHNUNGEN ZUR PI-KOMPLEXBILDUNG AM PYRROL

HEIDRICH, DIETMAR, GRIMMER, MARIA

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 98 KB

1972

14

Benzene-H+ and benzene-Li+ complex formation - a theoretical suggestion of different structure

Dietmar Heidrich, Detlef Deininger

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 253 KB

english, 1977

15

Die MINDO/2-Gleichgewichtsgeometrien des Azulens, Indols und Indolizins

Sabine Becker, Dietmar Heidrich, Cornelius Weiss, J. Pancíř, R. Zahradník

Journal:

Zeitschrift für Chemie

Year:

1974

Language:

german

File:

PDF, 247 KB

german, 1974

16

Bifurcation of reaction pathways: the set of valley ridge inflection points of a simple three-dimensional potential energy surface

Wolfgang Quapp, Michael Hirsch, Dietmar Heidrich

Journal:

Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta)

Year:

1998

Language:

english

File:

PDF, 1.16 MB

english, 1998

17

Ion pair formation modelled by NH3(HF)n (n = 3–5)

Dietmar Heidrich

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

1998

Language:

english

File:

PDF, 682 KB

english, 1998

18

Theoretical studies of the structure and stability of protonated olefins in the gas phase and in solution

Hans-Joachim Rauscher, Dietmar Heidrich, Hans-Joachim Köhler, Dieter Michel

Journal:

Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta)

Year:

1980

Language:

english

File:

PDF, 457 KB

english, 1980

19

MO-Berechnungen an Heterocyclen; HMO-Modelle neuartiger, vom Acenaphthylen bzw. Fluoranthen abgeleiteter heterocyclischer Systeme

Manfred Scholz, Dietmar Heidrich

Journal:

Zeitschrift für Chemie

Year:

1967

Language:

german

File:

PDF, 360 KB

german, 1967

20

Ab initio Models for Six-Center Multiple Proton Exchange and Ion Pair Formation Assisted by Lewis Acids

Nicolaas J. R. Eikema Hommes, Dietmar Heidrich, Paul Ragué Schleyer

Journal:

Journal of Molecular Modeling

Year:

2000

Language:

english

File:

PDF, 395 KB

english, 2000

21

[OSA CLEO: Science and Innovations - San Jose, California (2015..-..)] CLEO: 2015 - Diamond Electro-optomechanical Devices with Resonance Frequencies above 100 MHz

Rath, Patrik, Ummethala, Sandeep, Diewald, Silvia, Lewes-Malandrakis, Georgia, Brink, Dietmar, Heidrich, Nicola, Nebel, Christoph, Pernice, Wolfram

Year:

2015

Language:

english

File:

PDF, 228 KB

english, 2015

22

Do Isopropyl and tert-Butyl Cations Form π Complexes with Benzene?

Dietmar Heidrich

Journal:

Angewandte Chemie International Edition

Year:

2002

Language:

english

File:

PDF, 106 KB

english, 2002

23

On intramolecular stabilization of chain ends in cationic polymerization of 1,2-dimethoxyethylene

Martin Bölke, Peter Hallpap, Günther Heublein, Valeri V. Stepanov, Sergei S. Skorochodov, Dietmar Heidrich, Cornelius Weiss

Journal:

Macromolecular Rapid Communications

Year:

1985

Language:

english

File:

PDF, 178 KB

english, 1985

24

Pyrrol, Furan und Cyclopentadien aus der Sicht lokalisierter Molekülorbitale

Dietmar Heidrich

Journal:

Zeitschrift für Chemie

Year:

1973

Language:

german

File:

PDF, 363 KB

german, 1973

25

The Impact of proton pump inhibitors on the intestinal microbiota in chronic hepatitis C patients

Wellhöner, F., Döscher, N., Marius, V., Plumeier, I., Kahl, S., Potthoff, A., Manns, M.P., Dietmar, P., Wedemeyer, H., Cornberg, M., Heidrich, B.

Journal:

Journal of Hepatology

Year:

2018

Language:

english

File:

PDF, 50 KB

english, 2018

26

The set of valley–ridge inflection points on the potential energy surface of water

Hirsch, Michael, Quapp, Wolfgang, Heidrich, Dietmar

Journal:

Physical Chemistry Chemical Physics

Year:

1999

Language:

english

File:

PDF, 385 KB

english, 1999

27

Bilden Isopropyl- und tert-Butylkationen π-Komplexe mit Benzol?

Dietmar Heidrich

Journal:

Angewandte Chemie

Year:

2002

File:

PDF, 117 KB

2002

28

Zyklische H-Transferstrukturen in der Gasphase: Ab-initio-Berechungen an HF-Dimeren und -Trimeren

Dietmar Heidrich, Monika Rückert, Dietmar Volkmann, H.-J. Köhler

Journal:

Zeitschrift für Chemie

Year:

1984

Language:

german

File:

PDF, 265 KB

german, 1984

29

ChemInform Abstract: QUANTUM CHEMICAL GEOMETRIC OPTIMIZATION BASED ON POTENTIAL ENERGY GRADIENTS, 2. REGARDING ELEMENTS OF THE 3RD PERIOD

GRIMMER, MARIA, REINHOLD, JOACHIM, HEIDRICH, DIETMAR, STEINBRUECK, CHRISTINA, LASSNER, GERD

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 108 KB

1976

30

Ab initio models for multiple-hydrogen exchange: Comparison of cyclic four- and six-center systems

Dietmar Heidrich, Nicolaas J. R. Van Eikema Hommes, Paul Von Ragué Schleyer

Journal:

Journal of Computational Chemistry

Year:

1993

Language:

english

File:

PDF, 1.34 MB

english, 1993

31

Uncovering the trimethylamine-producing bacteria of the human gut microbiota

Rath, Silke, Heidrich, Benjamin, Pieper, Dietmar H., Vital, Marius

Journal:

Year:

2017

Language:

english

File:

PDF, 1.41 MB

english, 2017

32

ChemInform Abstract: DIE MINDO/2-GLEICHGEWICHTSGEOMETRIEN DES AZULENS, INDOLS UND INDOLIZINS

BECKER, SABINE, HEIDRICH, DIETMAR, WEISS, CORNELIUS, PANCIR, J., ZAHRADNIK, R.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 89 KB

1975

33

CNDO/2-Berechnungen zur π-Komplexbildung am Pyrrol

Dietmar Heidrich, Maria Grimmer

Journal:

Zeitschrift für Chemie

Year:

1972

Language:

german

File:

PDF, 243 KB

german, 1972

34

Quantenchemische Untersuchungen zum Mechanismus der elektrophilen Substitution; Zur Rolle von σ- und π-Komplexstrukturen protonierter Aromaten unterschiedlicher Reaktivität

Maria Grimmer, Dietmar Heidrich

Journal:

Zeitschrift für Chemie

Year:

1974

File:

PDF, 269 KB

1974

35

On the computation of stationary points on potential energy hypersurfaces

Wolfgang Kliesch, Klaus Schenk, Dietmar Heidrich, Holger Dachsel

Journal:

Journal of Computational Chemistry

Year:

1988

Language:

english

File:

PDF, 740 KB

english, 1988

36

Saddle points of index 2 on potential energy surfaces and their role in theoretical reactivity investigations

Dietmar Heidrich, Wolfgang Quapp

Journal:

Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta)

Year:

1986

Language:

english

File:

PDF, 517 KB

english, 1986

37

Frequent detection of HCV RNA and HCVcoreAg in stool of patients with chronic hepatitis C

Heidrich, Benjamin, Steinmann, Eike, Plumeier, Iris, Kirschner, Janina, Sollik, Lisa, Ziegert, Szilvia, Engelmann, Michael, Lehmann, Patrick, Manns, Michael Peter, Pieper, Dietmar Helmut, Wedemeyer, H

Journal:

Journal of Clinical Virology

Year:

2016

Language:

english

File:

PDF, 537 KB

english, 2016

38

The course of proton exchange reactions: a theoretical study

Dietmar Heidrich, Monika Rückert, Hans-Joachim Köhler

Journal:

Chemical Physics Letters

Year:

1987

Language:

english

File:

PDF, 388 KB

english, 1987

39

An approach to reaction path branching using valley–ridge inflection points of potential-energy surfaces

Wolfgang Quapp, Michael Hirsch, Dietmar Heidrich

Journal:

Theoretical Chemistry Accounts: Theory, Computation, and Modeling (Theoretica Chimica Acta)

Year:

2004

Language:

english

File:

PDF, 687 KB

english, 2004

40

Exploring the potential energy surface of the ethyl cation by new procedures

Wolfgang Quapp, Dietmar Heidrich

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

2002

Language:

english

File:

PDF, 284 KB

english, 2002

41

FRI-372-Next generation sequenzing outperforms standard microbiological cultivation for detection of bacteria in the biliary tract in patients with ischemic type biliary lesions and/or anastomotic stricture

Grobe, Björn, Solbach, Philipp, Wellhöner, Freya, Klein, Friederike, Marius, Vital, Manns, Michael P., Pieper, Dietmar H., Thomas, Von Hahn, Voigtländer, Torsten, Lenzen, Henrike, Heidrich, Benjamin

Journal:

Journal of Hepatology

Year:

2019

Language:

english

File:

PDF, 57 KB

english, 2019

42

ChemInform Abstract: QUANTENCHEMISCHE UNTERSUCHUNGEN ZUM MECHANISMUS DER ELEKTROPHILEN SUBSTITUTION, ZUR ROLLE VON SIGMA- UND PI-KOMPLEXSTRUKTUREN PROTONIERTER AROMATEN UNTERSCHIEDLICHER REAKTIVITAET

GRIMMER, MARIA, HEIDRICH, DIETMAR

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 83 KB

1975

43

ChemInform Abstract: VARIANTE DER QUANTENCHEMISCHEN GEOMETRIEOPTIMIERUNG UEBER DEN GRADIENTEN DER POTENTIALENERGIE AM BEISPIEL VON PYRROL, FURAN UND CYCLOPENTAN

GRIMMER, MARIA, HEIDRICH, DIETMAR

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 98 KB

1973

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