I tried using versions 1.2.1 and 1.3 in Linux and 1.3.2 in Mac. Below is the input again, this time using backticks.
molecule {
0 3
C 2.146191145 -2.250869610 -0.229432545
H 2.796153988 -3.111981487 -0.362347932
H 1.465215175 -2.173397551 -1.073297820
H 1.533174247 -2.389665597 0.657575818
C 2.900923223 -0.952856733 -0.096839038
O 2.324207776 0.122438123 0.059749704
N 4.251556346 -1.050359417 -0.161457007
H 4.652507974 -1.960893396 -0.290972105
C 5.119798458 0.101611043 -0.052013925
H 4.483304328 0.969911486 0.082770682
H 5.785387965 0.010155845 0.804078956
H 5.714264181 0.231031532 -0.954273112
--
0 1
O -0.392018453 -0.384718737 0.076071325
H -0.911460851 0.413812040 0.177648774
H 0.524903820 -0.068484694 0.090511364
}
set {
reference uhf
basis jun-cc-pVDZ
maxiter 200
stability_analysis follow
soscf true
soscf_max_iter 30
}
energy('sapt0')