Electron density in the water molecule in α-oxalic and dihydrate and the nature of short hydrogen bonds

Testing aspherical atom refinements on small-molecule data sets

N. K. Hansen, P. Coppens · Acta Crystallographica Section A · 1978 · 1.6K citations

Engineering, Atomic Emission Spectroscopy, Deformation Maps +16

Net atomic charges and molecular dipole moments from spherical-atom X-ray refinements, and the relation between atomic charge and shape

P. Coppens, T.N.G. Row, Pak‐Hing Leung et al. · Acta Crystallographica Section A · 1979 · 346 citations

X-ray Crystallography, X-ray Spectroscopy, Engineering +17

Neutron diffraction study of hydrogen bonding and thermal motion in deuterated α and β oxalic acid dihydrate

P. Coppens, T. M. Sabine · Acta Crystallographica Section B · 1969 · 55 citations

Materials Science, Engineering, Physicochemical Analysis +8

The Dielectric Constant of Water Vapor in the Microwave Region

George Birnbaum, S K Chatterjee · Journal of Applied Physics · 1952 · 51 citations

Saturation Pressures, Microwave Spectroscopy, Dielectric Constant +12

Experimental electron density distribution of sodium hydrogen diacetate. Evidence for covalency in a short hydrogen bond

Edwin D. Stevens, M. S. Lehmann, P. Coppens · Journal of the American Chemical Society · 1977 · 36 citations

Engineering, Short Hydrogen Bond, Biochemistry +13