%mem=1gb
%nproc=4
%chk=temp.chk
#t b3lyp/6-31g* opt=(gdiis,loose)

malic_acid_3977

0 1
C 0.9235 -0.0385 -0.0875
C -1.1259 1.4931 -0.0852
C 1.4464 -1.3919 -0.1049
C -0.6245 0.1299 -0.0582
O -2.3304 1.7014 -0.1129
O 2.6553 -1.5749 -0.1058
O -0.3939 2.4775 -0.0854
O 0.7292 -2.3867 -0.1180
O -1.1353 -0.5171 1.1087
H 1.3092 0.4681 -0.9774
H 1.3428 0.4691 0.7862
H -1.0331 -0.3865 -0.9321
H -0.7268 3.2925 -0.1037
H 1.0725 -3.1972 -0.1218
H -2.1091 -0.5389 0.9982

--link1--
%mem=1gb
%nproc=4
%chk=temp.chk
#t pbe1pbe/3-21g** guess=read geom=checkpoint nmr

malic_acid_3977

0 1