Chicken cacciatore

Ingredients

• 1 1/2 pounds plum tomatoes, coarsely chopped
• 8 ounces crimini mushrooms
• 1 very large red onion, thinly sliced
• 5 tablespoons olive oil, divided
• 2 tablespoons Sherry wine vinegar
• 1 4 1/2- to 4 3/4-pound chicken, cut into 8 pieces, excess fat trimmed
• 1 1/2 tablespoons chopped fresh rosemary, divided
• 1/2 cup dry red wine
• 1 14 1/2-ounce can diced tomatoes in juice
• 1 cup low-salt chicken broth
• 1/3 cup thinly sliced basil, divided
• 2 tablespoons drained capers, divided
• 12 ounces gemelli or penne, freshly cooked