About: AM1*

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AM1* is a semiempirical molecular orbital technique in computational chemistry. The method was developed by Timothy Clark and co-workers (in Computer-Chemie-Centrum, Universität Erlangen-Nürnberg) and published first in 2003. AM1* parameters are now available for H, C, N, O, F, Al, Si, P, S, Cl, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Br, Zr, Mo, Pd, Ag, I and Au. AM1* is implemented in VAMP 10.0 and Materials Studio (Accelrys Software Inc.).

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  • AM1* is a semiempirical molecular orbital technique in computational chemistry. The method was developed by Timothy Clark and co-workers (in Computer-Chemie-Centrum, Universität Erlangen-Nürnberg) and published first in 2003. Indeed, AM1* is an extension of AM1 molecular orbital theory and uses AM1 parameters and theory unchanged for the elements H, C, N, O and F. But, other elements have been parameterized using an additional set of d-orbitals in the basis set and with two-center core–core parameters, rather than the Gaussian functions used to modify the core–core potential in AM1. Additionally, for transition metal-hydrogen interactions, a distance dependent term is used to calculate core-core potentials rather than the constant term. AM1* parameters are now available for H, C, N, O, F, Al, Si, P, S, Cl, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Br, Zr, Mo, Pd, Ag, I and Au. AM1* is implemented in VAMP 10.0 and Materials Studio (Accelrys Software Inc.). (en)
  • AM1* é uma técnica orbital molecular semiempirica em química computacional. O método foi desenvolvido por Timothy Clark e colaboradores (no Computador-Chemie-Centrum, Universität Erlangen-Nürnberg) e publicado pela primeira vez em 2003. De fato, AM1* é uma extensão da teoria de orbita molecular e usa os parâmetros AM1 e teoria inalterado para os elementos de H, C, N, O e F. Mas, outros elementos têm sido parametrizada usando um conjunto adicional de d-orbitais no conjunto base e com dois núcleo–núcleo centrais de parâmetros, ao invés de incluir funções Gaussiana usadas para modificar o núcleo–núcleo potencial em AM1. Além disso, para interações de metal-hidrogênio de transição, a um termo dependente da distância é usado para calcular potencialidade do núcleo-núcleo, ao invés de incluir o termo constante. Parâmetros AM1* estão disponíveis para H, C, N, O, F, Al, Si, P, S, Cl, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Br, Zr, Mo, Pd, Ag, eu e Au. AM1* é implementado no VAMP 10.0 e "Materials Studio" (Accelrys Software Inc.). (pt)
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  • AM1* is a semiempirical molecular orbital technique in computational chemistry. The method was developed by Timothy Clark and co-workers (in Computer-Chemie-Centrum, Universität Erlangen-Nürnberg) and published first in 2003. AM1* parameters are now available for H, C, N, O, F, Al, Si, P, S, Cl, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Br, Zr, Mo, Pd, Ag, I and Au. AM1* is implemented in VAMP 10.0 and Materials Studio (Accelrys Software Inc.). (en)
  • AM1* é uma técnica orbital molecular semiempirica em química computacional. O método foi desenvolvido por Timothy Clark e colaboradores (no Computador-Chemie-Centrum, Universität Erlangen-Nürnberg) e publicado pela primeira vez em 2003. Parâmetros AM1* estão disponíveis para H, C, N, O, F, Al, Si, P, S, Cl, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Br, Zr, Mo, Pd, Ag, eu e Au. AM1* é implementado no VAMP 10.0 e "Materials Studio" (Accelrys Software Inc.). (pt)
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  • AM1* (en)
  • AM1* (pt)
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