TEHRAN - The one-day talks between Iran and the experts from the International Atomic Energy Agency (IAEA) ended here on Thursday evening with Iran saying that the negotiations were "constructive."

The experts of the IAEA arrived in Tehran Thursday morning for talks on some aspects of Iran's nuclear program.

Herman Nackaerts, the IAEA's deputy director general for safeguards, leading a seven-member delegation, discussed the remaining issues on Iran's nuclear program with Iranian nuclear officials.

Iran's permanent representative to the IAEA Ali-Asghar Soltanieh said here Thursday evening that the talks between Iran and the IAEA experts were "constructive and good progress was made, " Press TV reported.  

Soltanieh further added that the Islamic republic and IAEA agreed to hold another round of talks on January 16, 2013, according to Press TV.  

He did not elaborate on the details of the Thursday talks and whether the IAEA officials were granted access to some Iranian nuclear sites under dispute.

On Wednesday, Western media quoted Nackaerts as saying that the IAEA hoped Iran would allow the inspectors to go to Parchin military site in southeast of Tehran, where the UN body suspects that some explosive experiments might have been carried out.