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All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: CCSD(T)=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-627.387570
Energy at 298.15K 
HF Energy-626.432168
Nuclear repulsion energy268.490441
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD(T)=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3169 3077        
2 A1 3049 2961        
3 A1 1437 1396        
4 A1 1320 1282        
5 A1 1080 1049        
6 A1 983 955        
7 A1 663 644        
8 A1 445 432        
9 A1 258 251        
10 A2 3166 3075        
11 A2 1427 1386        
12 A2 916 890        
13 A2 282 274        
14 A2 166 161        
15 B1 3169 3077        
16 B1 1443 1402        
17 B1 1241 1205        
18 B1 965 937        
19 B1 336 327        
20 B1 200 194        
21 B2 3167 3076        
22 B2 3046 2959        
23 B2 1428 1386        
24 B2 1303 1265        
25 B2 928 902        
26 B2 727 707        
27 B2 428 416        

Unscaled Zero Point Vibrational Energy (zpe) 18370.1 cm-1
Scaled (by 0.9712) Zero Point Vibrational Energy (zpe) 17841.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVDZ
ABC
0.14502 0.13557 0.13425

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.301 0.000 0.928
O3 1.301 0.000 0.928
C4 0.000 1.420 -0.930
C5 0.000 -1.420 -0.930
H6 0.000 2.306 -0.276
H7 0.000 -2.306 -0.276
H8 0.915 1.385 -1.542
H9 -0.915 1.385 -1.542
H10 -0.915 -1.385 -1.542
H11 0.915 -1.385 -1.542

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.49641.49641.80761.80762.35262.35262.39812.39812.39812.3981
O21.49642.60182.67612.67612.90902.90903.59582.85842.85843.5958
O31.49642.60182.67612.67612.90902.90902.85843.59583.59582.8584
C41.80762.67612.67612.83961.10123.78281.10111.10113.01303.0130
C51.80762.67612.67612.83963.78281.10123.01303.01301.10111.1011
H62.35262.90902.90901.10123.78284.61231.81301.81304.00794.0079
H72.35262.90902.90903.78281.10124.61234.00794.00791.81301.8130
H82.39813.59582.85841.10113.01301.81304.00791.82923.31942.7700
H92.39812.85843.59581.10113.01301.81304.00791.82922.77003.3194
H102.39812.85843.59583.01301.10114.00791.81303.31942.77001.8292
H112.39813.59582.85843.01301.10114.00791.81302.77003.31941.8292

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.364 S1 C4 H8 108.617
S1 C4 H9 108.617 S1 C5 H7 105.364
S1 C5 H10 108.617 S1 C5 H11 108.617
O2 S1 O3 120.766 O2 S1 C4 107.810
O2 S1 C5 107.810 O3 S1 C4 107.810
O3 S1 C5 107.810 C4 S1 C5 103.529
H6 C4 H8 110.817 H6 C4 H9 110.817
H7 C5 H10 110.817 H7 C5 H11 110.817
H8 C4 H9 112.321 H10 C5 H11 112.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability