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Boragerma[5]pyramidanes via a Germole-to-Borole Rearrangement. [PDF]

open access: yesInorg Chem
Bührmann L   +5 more
europepmc   +1 more source
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Theoretical study of C2 and C2−

The Journal of Chemical Physics, 1980
Potential energy curves of the ground states of C2(X 1Σg+) and C2−(X 2Σg+) have been calculated using SCF, MCSCF, and CI methods. Close agreement with experimental dissociation energies, bond lengths, and spectroscopic constants is obtained by a CI calculation including all single and double excitations from the restricted Hartree–Fock configuration ...
M. Dupuis, B. Liu
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Study on the analytical potential energy function for C2, C2+ and C2−

Journal of Molecular Structure: THEOCHEM, 2001
Abstract The present work has derived the potential energy functions for the state X 1 Σ g + for C 2 , X 4 Σ g − and 4 Π u for C 2 + and X 2 Σ g + for C 2 − . It may clarify the ground state of C 2 + , which should be X 4 Σ g − , but not 2 Π u .
R. Wang, Z.H. Zhu, C.L. Yang
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On Some n-C2 and Strongly C2 Extensions

Algebra Colloquium, 2020
Let R be a ring and n be a positive integer. Then R is called a left n-C2-ring (strongly left C2-ring) if every n-generated (finitely generated) proper right ideal of R has nonzero left annihilator. We discuss some n-C2 and strongly C2 extensions, such as trivial extensions, formal triangular matrix rings, group rings and [Formula: see text][D, C].
Kourki, Farid, Chen, Jianlong, Li, Wenxi
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Abelian groups with C2

Journal of Algebra and Its Applications, 2023
Almost all Abelian groups with the property that each subgroup isomorphic to a direct summand, is also a direct summand, are determined. The relationship with co-Hopfian groups is also addressed.
Grigore Călugăreanu, Pat Keef
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C2S

2015
Skyline queries may be used to filter interesting data from a broad range of data. A Skyline query selects those data that are the best according to multiple user-defined criteria. A special case of Skyline queries are the Spatial Skyline Queries (SSQ).
Marlene Goncalves, Fabiola Di Bartolo
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The reinforcement of a C2 laminar screw by a C2 laminar hook as an anchor of occipito-C2 fusion

European Journal of Orthopaedic Surgery & Traumatology, 2013
Although a C1-C2 transarticular screw (TAS) or a C2 pedicle screw (PS) is the most rigid anchor for C2, each entails the risk of vertebral artery injury. Although a C2 laminar screw (LS) is often used as an alternative anchor in such cases, its anchoring strength may be inadequate.
Masashi, Neo   +3 more
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