ATLANTA  — Marvin Williams scored 21 points and Jamal Crawford added 20 to power the Atlanta Hawks to a 112-93 victory over the struggling Philadelphia 76ers on Wednesday night.

Joe Johnson added 18 points, Al Horford had 12 and Mike Bibby 11 for the Hawks, who have won three straight and five of six.

The 76ers, who have lost four in a row and seven of nine, were led by Lou Williams, who had 30 points. He hit his first 10 shots and finished 11 for 15 from the field and 7 of 10 on free throws.

Atlanta, which improved to 24-7 at home, led 87-68 after three quarters on a 3-point basket by Crawford just before the buzzer.

The Hawks' biggest lead was 20 twice — at 94-74 on a 3-point play by Williams with 7:50 left and at 103-83 on a 3-point basket by Crawford with 3:28 left.

The closest Philadelphia got was at six points at 63-57 on a basket by Williams with 10:30 left in the third period. The Hawks then went on a 6-point run for a 69-59 lead and the 76ers never got closer than eight points the rest of the way.

The Hawks led 61-51 at halftime with Williams scoring 12 points and Johnson 11. Williams had 17 points for the 76ers. He was 6 for 6 from the field and 4 for 4 at the line.

Atlanta's biggest lead of the opening half was 13 points, the last at 49-36 on a basket by Al Horford with 4:52 before intermission.

Willie Green added 17 points for the 76ers and Andre Iguodala added 11 and Samuel Dalembert had 10 and 10 rebounds.

NOTES: Philadelphia F Elton Brand (right Achilles' tendinitis) did not make the trip to Atlanta.