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Figure 4
The molecule of methane, CH4, with its H atoms labeled to guide the eye, can be transformed by the action of a proper twofold axis (upper panel) and by the action of the ![]() |
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Figure 4
The molecule of methane, CH4, with its H atoms labeled to guide the eye, can be transformed by the action of a proper twofold axis (upper panel) and by the action of the ![]() |