• Quantum chemistry, also called molecular quantum mechanics, is a branch of physical chemistry focused on the application of quantum mechanics to chemical...
    20 KB (2,232 words) - 18:50, 20 November 2024
  • Relativistic quantum chemistry combines relativistic mechanics with quantum chemistry to calculate elemental properties and structure, especially for the...
    21 KB (2,637 words) - 06:00, 9 November 2024
  • Quantum computational chemistry is an emerging field that exploits quantum computing to simulate chemical systems. Despite quantum mechanics' foundational...
    29 KB (3,351 words) - 21:15, 11 November 2024
  • Quantum chemistry computer programs are used in computational chemistry to implement the methods of quantum chemistry. Most include the Hartree–Fock (HF)...
    27 KB (510 words) - 13:09, 15 November 2024
  • Thumbnail for Computational chemistry
    computational quantum chemistry include Linus Pauling and E. Bright Wilson's 1935 Introduction to Quantum Mechanics – with Applications to Chemistry, Eyring...
    77 KB (8,357 words) - 17:07, 20 November 2024
  • Thumbnail for Quantum number
    In quantum physics and chemistry, quantum numbers are quantities that characterize the possible states of the system. To fully specify the state of the...
    30 KB (3,266 words) - 17:52, 21 November 2024
  • Thumbnail for Physical chemistry
    time, thermodynamics, quantum chemistry, statistical mechanics, analytical dynamics and chemical equilibria. Physical chemistry, in contrast to chemical...
    14 KB (1,732 words) - 02:34, 9 November 2024
  • Thumbnail for Quantum dot
    Quantum dots (QDs) or semiconductor nanocrystals are semiconductor particles a few nanometres in size with optical and electronic properties that differ...
    113 KB (13,222 words) - 13:44, 14 November 2024
  • into the quantum mechanical model of the electron in quantum chemistry. There were proponents of quantum electrochemistry, who applied quantum mechanics...
    6 KB (764 words) - 21:52, 1 May 2024
  • Thumbnail for ORCA (quantum chemistry program)
    ORCA is a general-purpose quantum chemistry package featuring a variety of methods including semi-empirical, density functional theory, many-body perturbation...
    5 KB (497 words) - 08:15, 31 July 2024
  • In quantum mechanics, the principal quantum number (symbolized n) is one of four quantum numbers assigned to each electron in an atom to describe that...
    8 KB (1,071 words) - 19:05, 21 November 2024
  • initio quantum chemistry methods are computational chemistry methods based on quantum chemistry. The term ab initio was first used in quantum chemistry by...
    21 KB (2,524 words) - 01:36, 1 October 2024
  • Thumbnail for Quantum mechanics
    of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science. Quantum mechanics...
    99 KB (12,082 words) - 22:47, 20 November 2024
  • Quantum biology is the study of applications of quantum mechanics and theoretical chemistry to aspects of biology that cannot be accurately described...
    73 KB (8,032 words) - 17:39, 3 November 2024
  • Parallel Quantum Chemistry (MPQC) is an ab initio computational chemistry software program. Three features distinguish it from other quantum chemistry programs...
    4 KB (185 words) - 03:48, 5 October 2023
  • In spectroscopy and quantum chemistry, the multiplicity of an energy level is defined as 2S+1, where S is the total spin angular momentum. States with...
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  • scale where quantum effects are significant. Important applications of quantum theory include quantum chemistry, quantum optics, quantum computing, superconducting...
    10 KB (1,157 words) - 23:05, 4 September 2024
  • Thumbnail for Theoretical chemistry
    it has consisted primarily of quantum chemistry, i.e., the application of quantum mechanics to problems in chemistry. Other major components include...
    8 KB (962 words) - 00:43, 5 September 2024
  • very slowly, as in configuration interaction applications in quantum chemistry. Quantum Monte Carlo is a way to directly study the many-body problem and...
    9 KB (1,140 words) - 19:56, 21 September 2022
  • of atomic orbitals approach), which is the usual choice within the quantum chemistry community; plane waves which are typically used within the solid state...
    36 KB (4,967 words) - 01:47, 12 October 2024
  • Thumbnail for Quantum computing
    A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and...
    115 KB (12,562 words) - 00:17, 21 November 2024
  • Thumbnail for History of chemistry
    of quantum mechanics to chemistry and spectroscopy than answers to chemically relevant questions. In 1951, a milestone article in quantum chemistry is...
    156 KB (19,387 words) - 08:22, 2 November 2024
  • Thumbnail for HOMO and LUMO
    semiconductors and quantum dots. The same analogy can be made between the LUMO level and the conduction band minimum. In organometallic chemistry, the size of...
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  • and quantum mechanics led to the development of nuclear weapons. New models of the structure of the atom led to developments in theories of chemistry and...
    72 KB (9,744 words) - 15:21, 5 July 2024
  • Thumbnail for Physics
    many interdisciplinary areas of research, such as biophysics and quantum chemistry, and the boundaries of physics are not rigidly defined. New ideas...
    87 KB (9,683 words) - 14:57, 22 November 2024
  • light by atoms or molecules. Quantum chemistry – branch of chemistry whose primary focus is the application of quantum mechanics in physical models and...
    33 KB (4,048 words) - 22:38, 4 October 2024
  • functional theory (DFT) is a computational quantum mechanical modelling method used in physics, chemistry and materials science to investigate the electronic...
    79 KB (10,577 words) - 04:40, 16 November 2024
  • of group theory, which finds applications in stereochemistry and quantum chemistry. Another important area is molecular knot theory and circuit topology...
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  • Linear combination of atomic orbitals (category Physical chemistry)
    or LCAO is a quantum superposition of atomic orbitals and a technique for calculating molecular orbitals in quantum chemistry. In quantum mechanics, electron...
    6 KB (781 words) - 00:03, 6 April 2023
  • Semi-empirical quantum chemistry methods are based on the Hartree–Fock formalism, but make many approximations and obtain some parameters from empirical...
    12 KB (1,419 words) - 06:03, 22 August 2024