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All results from a given calculation for C4H8OS (s-Ethyl thioacetate)

using model chemistry: LSDA/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-620.997203
Energy at 298.15K-621.005429
Nuclear repulsion energy290.920463
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 LSDA/STO-3G
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 3471 3108 1.31      
2 A 3470 3107 0.00      
3 A 3465 3103 0.10      
4 A 3446 3086 0.39      
5 A 3404 3048 1.03      
6 A 3301 2956 1.09      
7 A 3295 2951 0.63      
8 A 3283 2940 1.97      
9 A 1837 1645 87.95      
10 A 1649 1477 5.70      
11 A 1640 1468 8.28      
12 A 1622 1453 11.29      
13 A 1619 1450 1.04      
14 A 1612 1443 17.51      
15 A 1532 1372 3.92      
16 A 1481 1326 11.29      
17 A 1389 1244 20.04      
18 A 1348 1207 0.17      
19 A 1186 1062 107.53      
20 A 1153 1033 5.88      
21 A 1114 998 1.07      
22 A 1088 974 5.49      
23 A 1057 947 6.40      
24 A 1000 895 23.51      
25 A 840 752 8.38      
26 A 812 727 2.95      
27 A 684 613 17.96      
28 A 500 448 0.16      
29 A 453 406 2.79      
30 A 390 349 1.50      
31 A 327 293 0.74      
32 A 234 210 0.02      
33 A 205 184 0.10      
34 A 185 166 0.44      
35 A 96 86 0.30      
36 A 64 57 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 27125.5 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 24290.8 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 LSDA/STO-3G
ABC
0.20516 0.05503 0.04449

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.445 -0.751 0.000
C2 1.395 -0.070 0.000
S3 -0.229 -0.868 -0.000
H4 0.890 1.878 -0.892
H5 2.444 1.825 -0.000
H6 0.890 1.878 0.891
C7 1.400 1.479 -0.000
H8 -1.185 1.191 0.891
H9 -1.185 1.191 -0.891
C10 -1.358 0.561 0.000
H11 -3.008 -0.559 -0.892
H12 -3.507 0.905 0.000
H13 -3.008 -0.559 0.893
C14 -2.808 0.054 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.25162.67683.18242.57593.18232.46344.21264.21304.02355.52926.17815.52895.3147
C21.25161.80962.20132.16562.20131.54933.00713.00742.82494.51934.99804.51914.2052
S32.67681.80963.09623.79403.09652.85662.43892.43891.82142.93493.72632.93492.7388
H43.18242.20133.09621.79241.78351.10172.82072.18592.75374.59704.59074.93104.2189
H52.57592.16563.79401.79241.79241.10023.79023.79024.00656.01676.02146.01665.5426
H63.18232.20133.09651.78351.79241.10172.18592.82072.75384.93114.59074.59714.2190
C72.46341.54932.85661.10171.10021.10172.74892.74902.90634.93714.93974.93704.4424
H84.21263.00712.43892.82073.79022.18592.74891.78201.10493.09282.50322.52702.1730
H94.21303.00742.43892.18593.79022.82072.74901.78201.10492.52702.50313.09282.1730
C104.02352.82491.82142.75374.00652.75382.90631.10491.10492.18472.17592.18471.5362
H115.52924.51932.93494.59706.01674.93114.93713.09282.52702.18471.78521.78441.1006
H126.17814.99803.72634.59076.02144.59074.93972.50322.50312.17591.78521.78521.1009
H135.52894.51912.93494.93106.01664.59714.93702.52703.09282.18471.78441.78521.1006
C145.31474.20522.73884.21895.54264.21904.44242.17302.17301.53621.10061.10091.1006

picture of s-Ethyl thioacetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 S3 120.869 O1 C2 C7 122.818
C2 S3 C10 102.152 C2 C7 H4 111.152
C2 C7 H5 108.456 C2 C7 H6 111.148
S3 C2 C7 116.313 S3 C10 H8 110.511
S3 C10 H9 110.511 S3 C10 C14 109.020
H4 C7 H5 108.983 H4 C7 H6 108.076
H5 C7 H6 108.982 H8 C10 H9 107.498
H8 C10 C14 109.642 H9 C10 C14 109.641
C10 C14 H11 110.809 C10 C14 H12 110.098
C10 C14 H13 110.809 H11 C14 H12 108.365
H11 C14 H13 108.315 H12 C14 H13 108.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.178      
2 C 0.020      
3 S 0.168      
4 H 0.103      
5 H 0.110      
6 H 0.103      
7 C -0.297      
8 H 0.099      
9 H 0.099      
10 C -0.247      
11 H 0.100      
12 H 0.100      
13 H 0.100      
14 C -0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.113 1.975 -0.000 2.892
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.093 2.184 -0.001
y 2.184 -40.114 0.000
z -0.001 0.000 -39.270
Traceless
 xyz
x -3.402 2.184 -0.001
y 2.184 1.067 0.000
z -0.001 0.000 2.334
Polar
3z2-r24.668
x2-y2-2.979
xy2.184
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.563 -0.167 0.000
y -0.167 4.534 0.000
z 0.000 0.000 2.734


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000