The formula for water is H2O. Is the formula for an ice cube H2O squared?

The formula for water is H2O. Is the formula for an ice cube H2O squared?

Water, water, everywhere,
And all the boards did shrink;
Water, water, everywhere,
Nor any read more

Water, water, everywhere,
And all the boards did shrink;
Water, water, everywhere,
Nor any drop to drink.
The very deep did rot: O Christ!
That ever this should be!
Yes, slimy things did crawl with legs
Upon the slimy sea.

Here's that which is too weak to be a sinner:
Honest water, which ne'er left man i' th' mire.

Here's that which is too weak to be a sinner:
Honest water, which ne'er left man i' th' mire.

If you wish to drown, do not torture yourself with shallow water.

If you wish to drown, do not torture yourself with shallow water.

How sweet from the green mossy brim to receive it,
As, poised on the curb, it inclined to my read more

How sweet from the green mossy brim to receive it,
As, poised on the curb, it inclined to my lips!
Not a full blushing goblet could tempt me to leave it,
The brightest that beauty or revelry sips.

The miller sees not all the water that goes by his mill.

The miller sees not all the water that goes by his mill.

I have drunk deep of the waters of my ancestors.

I have drunk deep of the waters of my ancestors.

The sky broke like an egg into full sunset and the water caught fire.

The sky broke like an egg into full sunset and the water caught fire.

It is wretched business to be digging a well just as thirst is
mastering you.
[Lat., Miserum est read more

It is wretched business to be digging a well just as thirst is
mastering you.
[Lat., Miserum est opus,
Igitur demum fodere puteum, ubi sitis fauces tedet.]