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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-664.103045
Energy at 298.15K-664.108889
HF Energy-663.134316
Nuclear repulsion energy315.883964
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/TZVP
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 3297 3126 1.32      
2 A 3256 3087 0.97      
3 A 3126 2964 2.57      
4 A 1590 1507 0.15      
5 A 1480 1403 3.25      
6 A 1288 1221 28.60      
7 A 1210 1147 69.06      
8 A 1152 1092 146.56      
9 A 1047 993 3.33      
10 A 983 931 3.39      
11 A 827 783 3.82      
12 A 725 687 55.59      
13 A 613 581 39.00      
14 A 412 391 18.09      
15 A 400 380 14.62      
16 A 3209 3042 0.11      
17 A 1342 1272 256.87      
18 A 1083 1027 2.29      
19 A 944 895 3.03      
20 A 893 846 1.34      
21 A 731 693 67.91      
22 A 422 400 0.26      
23 A 260 247 0.34      
24 A 206 195 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 15247.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 14453.0 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 MP2/TZVP
ABC
0.17618 0.09950 0.09305

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.065 0.471 0.000
O2 0.065 1.247 1.318
O3 0.065 1.247 -1.318
C4 -1.153 -0.729 0.000
H5 -2.190 -0.662 0.000
C6 -0.300 -1.759 0.000
H7 -0.501 -2.779 0.000
C8 1.026 -1.086 0.000
H9 1.584 -1.294 0.893
H10 1.584 -1.294 -0.893

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.52911.52911.70992.52392.25973.29891.82962.49372.4937
O21.52912.63522.66903.23523.30224.27372.84632.99013.6944
O31.52912.63522.66903.23523.30224.27372.84633.69442.9901
C41.70992.66902.66901.03931.33702.15122.20812.93402.9340
H52.52393.23523.23521.03932.18492.70813.24393.92963.9296
C62.25973.30223.30221.33702.18491.03961.48752.13702.1370
H73.29894.27374.27372.15122.70811.03962.28002.71172.7117
C81.82962.84632.84632.20813.24391.48752.28001.07361.0736
H92.49372.99013.69442.93403.92962.13702.71171.07361.7866
H102.49373.69442.99012.93403.92962.13702.71171.07361.7866

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 131.741 S1 C4 C6 94.955
S1 C8 C6 85.217 S1 C8 H9 115.944
S1 C8 H10 115.944 O2 S1 O3 119.016
O2 S1 C4 110.860 O2 S1 C8 115.582
O3 S1 C4 110.860 O3 S1 C8 115.582
C4 S1 C8 77.113 C4 C6 H7 129.259
C4 C6 C8 102.715 H5 C4 C6 133.304
C6 C8 H9 112.098 C6 C8 H10 112.098
H7 C6 C8 128.026 H9 C8 H10 112.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability