return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-630.691551
Energy at 298.15K 
HF Energy-630.691551
Nuclear repulsion energy293.976281
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 wB97X-D/aug-cc-pVTZ
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 3171 3034 7.02      
2 A 3151 3015 22.02      
3 A 3145 3008 1.71      
4 A 3138 3002 19.11      
5 A 3129 2993 1.50      
6 A 3087 2953 16.67      
7 A 3069 2936 0.92      
8 A 3062 2929 21.14      
9 A 1802 1724 370.09      
10 A 1504 1438 12.47      
11 A 1499 1434 3.01      
12 A 1493 1428 4.04      
13 A 1491 1427 12.05      
14 A 1473 1409 18.85      
15 A 1422 1360 4.82      
16 A 1402 1341 21.63      
17 A 1312 1255 18.58      
18 A 1289 1233 0.02      
19 A 1166 1115 149.12      
20 A 1085 1038 1.85      
21 A 1050 1005 0.05      
22 A 1035 990 1.46      
23 A 1009 965 5.74      
24 A 964 922 53.21      
25 A 792 758 3.80      
26 A 706 676 0.40      
27 A 652 624 64.18      
28 A 530 507 1.60      
29 A 456 437 3.52      
30 A 386 370 2.04      
31 A 320 306 1.29      
32 A 236 225 0.10      
33 A 214 205 0.02      
34 A 180 172 0.87      
35 A 81 77 0.48      
36 A 48i 46i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25226.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 24132.1 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 wB97X-D/aug-cc-pVTZ
ABC
0.21522 0.05490 0.04484

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.342 -0.824 -0.001
C2 1.401 -0.077 0.000
S3 -0.234 -0.801 0.000
H4 1.072 1.853 -0.880
H5 2.606 1.659 -0.001
H6 1.074 1.853 0.881
C7 1.546 1.421 0.000
H8 -1.237 1.207 0.884
H9 -1.237 1.207 -0.885
C10 -1.406 0.596 -0.000
H11 -3.009 -0.568 -0.883
H12 -3.542 0.864 -0.000
H13 -3.009 -0.568 0.883
C14 -2.824 0.043 -0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.20192.57643.09142.49773.09142.38254.20974.20934.00785.42896.12135.42925.2387
C21.20191.78832.14702.11372.14691.50513.06433.06452.88604.52385.03154.52374.2269
S32.57641.78833.08683.75803.08762.84732.41262.41261.82322.92083.70292.92082.7242
H43.09142.14703.08681.77901.76181.08932.97732.39822.91444.74524.80055.06204.3856
H52.49772.11373.75801.77901.77901.08683.96993.96974.15036.10476.19966.10485.6659
H63.09142.14693.08761.76181.77901.08932.39962.97962.91625.06384.80234.74634.3872
C72.38251.50512.84731.08931.08681.08932.92802.92833.06455.04795.11845.04774.5822
H84.20973.06432.41262.97733.96992.39962.92801.76901.08803.06792.49252.50772.1576
H94.20933.06452.41262.39823.96972.97962.92831.76901.08802.50782.49253.06792.1576
C104.00782.88601.82322.91444.15032.91623.06451.08801.08802.16902.15312.16901.5227
H115.42894.52382.92084.74526.10475.06385.04793.06792.50782.16901.76421.76551.0895
H126.12135.03153.70294.80056.19964.80235.11842.49252.49252.15311.76421.76421.0897
H135.42924.52372.92085.06206.10484.74635.04772.50773.06792.16901.76551.76421.0895
C145.23874.22692.72424.38565.66594.38724.58222.15762.15761.52271.08951.08971.0895

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 117.658 O1 C2 C7 122.927
C2 S3 C10 106.085 C2 C7 H4 110.680
C2 C7 H5 108.188 C2 C7 H6 110.673
S3 C2 C7 119.415 S3 C10 H8 109.324
S3 C10 H9 109.324 S3 C10 C14 108.683
H4 C7 H5 109.677 H4 C7 H6 107.944
H5 C7 H6 109.675 H8 C10 H9 108.768
H8 C10 C14 110.361 H9 C10 C14 110.361
C10 C14 H11 111.187 C10 C14 H12 109.904
C10 C14 H13 111.186 H11 C14 H12 108.108
H11 C14 H13 108.237 H12 C14 H13 108.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.755      
2 C 0.572      
3 S -0.100      
4 H 0.271      
5 H 0.163      
6 H 0.271      
7 C -0.640      
8 H 0.291      
9 H 0.291      
10 C -0.232      
11 H 0.280      
12 H 0.218      
13 H 0.280      
14 C -0.910      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.822 3.484 0.001 4.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.161 4.132 0.002
y 4.132 -44.902 -0.000
z 0.002 -0.000 -44.086
Traceless
 xyz
x -2.667 4.132 0.002
y 4.132 0.721 -0.000
z 0.002 -0.000 1.946
Polar
3z2-r23.891
x2-y2-2.259
xy4.132
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.582 -0.043 -0.000
y -0.043 10.706 0.000
z -0.000 0.000 8.393


<r2> (average value of r2) Å2
<r2> 249.516
(<r2>)1/2 15.796