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

using model chemistry: B2PLYP=FULLultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-630.242459
Energy at 298.15K 
HF Energy-629.957904
Nuclear repulsion energy292.138841
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 B2PLYP=FULLultrafine/6-31G*
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 3202 3038 6.05      
2 A 3179 3016 26.24      
3 A 3166 3004 5.24      
4 A 3166 3003 19.85      
5 A 3155 2993 0.62      
6 A 3106 2947 19.14      
7 A 3093 2934 0.80      
8 A 3091 2932 21.06      
9 A 1779 1688 255.15      
10 A 1553 1473 2.68      
11 A 1544 1465 8.74      
12 A 1536 1457 2.11      
13 A 1525 1447 13.58      
14 A 1512 1434 20.55      
15 A 1462 1387 3.54      
16 A 1428 1355 18.96      
17 A 1341 1273 27.99      
18 A 1307 1240 0.01      
19 A 1174 1114 151.17      
20 A 1101 1045 5.83      
21 A 1080 1025 0.15      
22 A 1052 998 2.14      
23 A 1016 964 3.26      
24 A 968 919 49.37      
25 A 815 773 4.75      
26 A 708 671 0.24      
27 A 647 614 62.29      
28 A 516 489 2.74      
29 A 450 427 3.30      
30 A 378 359 1.43      
31 A 309 293 0.99      
32 A 259 246 0.10      
33 A 163 154 1.07      
34 A 156 148 0.10      
35 A 84 79 0.26      
36 A 57 54 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25538.8 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 24228.6 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.21281 0.05418 0.04426

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.366 -0.819 0.001
C2 1.411 -0.076 -0.001
S3 -0.234 -0.812 -0.000
H4 1.054 1.870 -0.883
H5 2.593 1.683 0.000
H6 1.055 1.869 0.884
C7 1.532 1.437 0.000
H8 -1.246 1.211 0.885
H9 -1.247 1.210 -0.887
C10 -1.409 0.593 -0.000
H11 -3.022 -0.570 -0.884
H12 -3.550 0.870 0.001
H13 -3.021 -0.570 0.886
C14 -2.835 0.042 0.001

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21002.59963.12022.51293.11912.40574.23674.23784.03025.46606.15245.46535.2721
C21.21001.80222.16652.11932.16651.51763.08253.08302.89834.54775.05074.54744.2482
S32.59961.80223.10383.77073.10342.85902.42932.42931.83152.93533.71852.93532.7383
H43.12022.16653.10381.78431.76721.09342.97572.39392.91184.75124.79405.06914.3876
H52.51292.11933.77071.78431.78421.09003.96813.96944.14796.11516.19696.11425.6710
H63.11912.16653.10341.76721.78421.09352.39282.97752.91195.06934.79384.74984.3872
C72.40571.51762.85901.09341.09001.09352.92382.92513.05905.05435.11305.05364.5839
H84.23673.08252.42932.97573.96812.39282.92381.77221.09233.07572.49162.51432.1620
H94.23783.08302.42932.39393.96942.97752.92511.77221.09232.51442.49163.07572.1620
C104.03022.89831.83152.91184.14792.91193.05901.09231.09232.17662.15912.17661.5290
H115.46604.54772.93534.75126.11515.06935.05433.07572.51442.17661.77091.77081.0926
H126.15245.05073.71854.79406.19694.79385.11302.49162.49162.15911.77091.77091.0935
H135.46534.54742.93535.06916.11424.74985.05362.51433.07572.17661.77081.77091.0925
C145.27214.24822.73834.38765.67104.38724.58392.16202.16201.52901.09261.09351.0925

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 117.979 O1 C2 C7 123.373
C2 S3 C10 105.800 C2 C7 H4 111.108
C2 C7 H5 107.600 C2 C7 H6 111.103
S3 C2 C7 118.648 S3 C10 H8 109.780
S3 C10 H9 109.780 S3 C10 C14 108.811
H4 C7 H5 109.603 H4 C7 H6 107.820
H5 C7 H6 109.599 H8 C10 H9 108.428
H8 C10 C14 110.017 H9 C10 C14 110.017
C10 C14 H11 111.164 C10 C14 H12 109.723
C10 C14 H13 111.164 H11 C14 H12 108.208
H11 C14 H13 108.273 H12 C14 H13 108.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability