Accuracy
 dimethyl sulfoxide 
 
  2126 Dimethyl sulfoxide
  
   
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Geometry predicted using PM7
 ΔHf:  -36.1 kcal/mol,     REF:  J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
 Dipole:    4.0 Debye,     REF:  A. L. McClellan, "Tables of Experimental Dipole Moments," Vol 2, Rahara Enterprises, El Cerrito, (1974).
 I.P.:    9.0 eV,     REF:  R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.
  
 SYMMETRY PM7
Dimethyl sulfoxide
 H=-36.09 HR=C&P1970 I=9.01 IR=LLNBS82 D=3.96 DR=MCC1974
 
  S     0.00180881 +1  -0.02918757 +1   0.02721356 +1
  C    -1.37863346 +1   1.16770147 +1   0.00358074 +1
  C     1.38123120 +1   1.16895283 +1   0.00404333 +1
  O     0.00182800 +1  -0.62813319 +1   1.38227227 +1
  H    -2.32954490 +1   0.62511347 +1  -0.01602516 +1
  H     2.33252851 +1   0.62698354 +1  -0.01548393 +1
  H    -1.40063886 +1   1.80172704 +1   0.89441250 +1
  H    -1.33281729 +1   1.80960899 +1  -0.87631595 +1
  H     1.33504315 +1   1.81096305 +1  -0.87561039 +1
  H     1.40259595 +1   1.80277850 +1   0.89503958 +1