# Water molecule bent shape and electron configuration [closed]

Water molecules are $\ce{H2O}$, and the lone electron pairs repulse the hydrogen atoms to an angle of 104.5 degrees, so my question is, why can't water molecules have hydrogen atoms bonding on opposite sides of the atom?

For example, if we imagine an oxygen atom, let's call the topmost electrons A, rightmost B, bottom C, and leftmost D. Why can't we have say, hydrogen atoms bonding at B and D or A and C? Surely there could be an electron configuration for oxygen that has opposite sides of the valence shell have only 1 electron in their valence orbitals?

## closed as unclear what you're asking by Jannis Andreska, A.K., orthocresol♦, Jan, Ben NorrisMay 9 '16 at 20:26

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• Y'know, it gets a bit disappointing to see someone with more than 10 posts who still doesn't format their posts with Mathjax properly. – M.A.R. ಠ_ಠ Sep 7 '15 at 23:21
• @PhyCS Not sure what you're talking about... linear water in excited state? – Mithoron Sep 7 '15 at 23:55
• Possible duplicate of Why is H₂O V shaped? – Mithoron May 9 '16 at 17:53