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All results from a given calculation for C3H4O2S (2H-Thiete-1,1-dioxide)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-275.754598
Energy at 298.15K-275.759683
HF Energy-275.165379
Nuclear repulsion energy189.597142
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 MP2/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3271 3150 2.21      
2 A 3230 3111 1.20      
3 A 3093 2979 5.14      
4 A 1514 1458 1.58      
5 A 1476 1421 5.34      
6 A 1227 1182 24.52      
7 A 1183 1139 7.48      
8 A 1007 970 1.43      
9 A 959 923 76.16      
10 A 920 886 117.84      
11 A 745 717 25.41      
12 A 568 547 88.26      
13 A 501 483 41.13      
14 A 312 300 7.62      
15 A 272 262 11.74      
16 A 3201 3083 0.72      
17 A 1089 1049 54.66      
18 A 1038 999 168.49      
19 A 893 860 19.49      
20 A 854 822 2.53      
21 A 747 719 80.23      
22 A 385 371 0.04      
23 A 198 191 0.04      
24 A 171 165 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 14425.8 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 13893.5 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 MP2/LANL2DZ
ABC
0.15521 0.08668 0.07898

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.270 0.609 0.000
O2 0.636 1.327 1.393
O3 0.636 1.327 -1.393
C4 -1.452 -0.291 0.000
H5 -2.455 0.136 0.000
C6 -0.896 -1.545 0.000
H7 -1.415 -2.504 0.000
C8 0.636 -1.368 0.000
H9 1.169 -1.646 0.922
H10 1.169 -1.646 -0.922

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.60911.60911.94272.76532.44913.54022.01112.59692.5969
O21.60912.78592.98623.59353.53994.56333.03333.05623.8048
O31.60912.78592.98623.59353.53994.56333.03333.80483.0562
C41.94272.98622.98621.09011.37142.21352.34943.09053.0905
H52.76533.59353.59351.09012.29242.83753.43754.14164.1416
C62.44913.53993.53991.37142.29241.09111.54212.26292.2629
H73.54024.56334.56332.21352.83751.09112.34502.87432.8743
C82.01113.03333.03332.34943.43751.54212.34501.10011.1001
H92.59693.05623.80483.09054.14162.26292.87431.10011.8438
H102.59693.80483.05623.09054.14162.26292.87431.10011.8438

picture of 2H-Thiete-1,1-dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H5 129.329 S1 C4 C6 93.690
S1 C8 C6 86.074 S1 C8 H9 109.668
S1 C8 H10 109.668 O2 S1 O3 119.924
O2 S1 C4 114.111 O2 S1 C8 113.370
O3 S1 C4 114.111 O3 S1 C8 113.370
C4 S1 C8 72.891 C4 C6 H7 127.651
C4 C6 C8 107.345 H5 C4 C6 136.981
C6 C8 H9 116.847 C6 C8 H10 116.847
H7 C6 C8 125.004 H9 C8 H10 113.852
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability