President Abol Hassan Bani-Sadr today nominated Iran's young national police chief, Mostafa Mir-Salim, to be Iran's new prime minister. The nominations of Mir-Salim, 33, a French-trained engineer, was seen as an apparent compromise with Bani-Sadr's hard-line Islamic opponents.

Once the Iranian parliament gives a vote of confidence to him and his Cabinet, the last major obstacle will have been cleared to a parliamentary debate on the fate of the American hostages. No date has been set for the debate, however, and it could still be months away.

Bani-Sadr's original preference was Hassan Habibi, minister of culture and an independent, while the Islamic Republican Party had proposed Jadaleddin Farsi, a hard-liner who spent the 1970s with the Palestinian Liberation Movement in Lebanon.

Mir-Salim is a member of the Islamic party's central council but is regarded as taking a relatively independent line within the party. If approved, he will be Iran's first full premier since the February 1979 revolution.

In another development, a Tehran newspaper today published a series of accusations including espionage charges against Cynthia Dwyer, an American freelance journalist arrested here May 5.

However, an official in the revolutionary prosecutor's office said it had not received notice that charges were being made against her by the central Revolutionary Committee.

The Islamic Republic newspaper said Dwyer, 49, was accused of "taking actions toward spying and preparing the ground for renewed U.S. military attack on Iran," "taking actions toward giving arms and ammunition to armed counterrevolutionary groups through American helicopters" and "taking actions toward establishing radio contacts between the American Army and armed antirevolutionary groups."