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All results from a given calculation for C5H10S (Thiophene, tetrahydro-3-methyl-)

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-43.537534
Energy at 298.15K-43.549299
HF Energy-43.076481
Nuclear repulsion energy133.685565
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/CEP-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 3170 3063 37.27      
2 A 3162 3055 25.30      
3 A 3131 3025 58.73      
4 A 3125 3020 62.73      
5 A 3120 3015 19.80      
6 A 3084 2980 23.47      
7 A 3078 2974 90.52      
8 A 3063 2960 33.51      
9 A 3044 2941 29.26      
10 A 3024 2923 38.12      
11 A 1531 1480 4.36      
12 A 1524 1473 4.26      
13 A 1514 1463 5.67      
14 A 1502 1451 1.96      
15 A 1500 1449 5.29      
16 A 1451 1402 9.21      
17 A 1397 1350 3.07      
18 A 1377 1331 9.79      
19 A 1356 1310 5.19      
20 A 1331 1286 17.14      
21 A 1298 1254 8.68      
22 A 1255 1213 1.48      
23 A 1198 1158 3.05      
24 A 1149 1110 0.05      
25 A 1095 1058 2.01      
26 A 1079 1043 0.65      
27 A 1065 1029 0.91      
28 A 1009 975 2.90      
29 A 987 954 0.30      
30 A 948 916 2.71      
31 A 927 896 4.84      
32 A 882 852 1.45      
33 A 791 765 2.13      
34 A 702 678 5.10      
35 A 653 631 2.91      
36 A 588 568 0.44      
37 A 480 464 0.11      
38 A 371 359 0.13      
39 A 349 337 0.19      
40 A 221 213 0.13      
41 A 174 168 0.15      
42 A 111 107 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 31406.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 30348.5 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/CEP-31G
ABC
0.13362 0.08096 0.06609

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.540 -0.450 -0.264
C2 1.927 -0.341 -0.852
H3 1.234 -0.279 -1.717
H4 2.706 0.446 -0.966
H5 2.429 -1.332 -0.886
C6 -0.015 -1.202 0.654
H7 0.227 -2.175 0.182
H8 -0.287 -1.347 1.720
C9 1.160 -0.166 0.507
H10 1.878 -0.324 1.347
C11 -0.743 1.310 -0.317
H12 -1.499 2.041 0.034
H13 -0.448 1.536 -1.361
C14 0.504 1.258 0.642
H15 0.172 1.412 1.693
H16 1.234 2.055 0.376

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.51873.13584.39564.11391.93292.51012.51222.82293.78091.93232.50832.51762.81373.19843.7924
C23.51871.11091.11251.11212.60432.70623.53981.57012.19933.18484.26563.07022.61043.55342.7797
H33.13581.11091.80481.79702.83442.86583.90712.22833.13132.89733.98922.50052.90883.95153.1353
H44.39561.11251.80481.80163.56963.78544.40282.22082.57433.61424.60673.36042.84483.79732.5601
H54.11391.11211.79701.80162.89242.58843.76492.21652.51194.16805.25904.09103.57154.39073.8074
C61.93292.60432.83443.56962.89241.10871.10921.57352.19842.78963.61953.42722.51432.81853.4991
H72.51012.70622.86583.78542.58841.10871.82112.23882.74013.65184.55784.07573.47513.89244.3525
H82.51223.53983.90714.40283.76491.10921.82112.22732.42363.37823.97294.22222.92812.79643.9612
C92.82291.57012.22832.22082.21651.57352.23882.22731.11582.54583.48802.99581.57422.20722.2260
H103.78092.19933.13132.57432.51192.19842.74012.42361.11583.50814.32654.02522.21092.45762.6484
C111.93233.18482.89733.61424.16802.78963.65183.37822.54583.50811.10811.10821.57392.21112.2242
H122.50834.26563.98924.60675.25903.61954.55783.97293.48804.32651.10811.81732.23472.43802.7551
H132.51763.07022.50053.36044.09103.42724.07574.22222.99584.02521.10821.81732.23483.11882.4735
C142.81372.61042.90882.84483.57152.51433.47512.92811.57422.21091.57392.23472.23481.11291.1130
H153.19843.55343.95153.79734.39072.81853.89242.79642.20722.45762.21112.43803.11881.11291.8099
H163.79242.77973.13532.56013.80743.49914.35253.96122.22602.64842.22422.75512.47351.11301.8099

picture of Thiophene, tetrahydro-3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C6 H7 108.152 S1 C6 H8 108.272
S1 C6 C9 106.787 S1 C11 H12 108.089
S1 C11 H13 108.746 S1 C11 C14 106.291
C2 C9 C6 111.883 C2 C9 H10 108.757
C2 C9 C14 112.239 H3 C2 H4 108.536
H3 C2 H5 107.874 H3 C2 C9 111.280
H4 C2 H5 108.158 H4 C2 C9 110.603
H5 C2 C9 110.286 C6 S1 C11 92.393
C6 C9 H10 108.469 C6 C9 C14 106.025
H7 C6 H8 110.389 H7 C6 C9 112.002
H8 C6 C9 111.061 C9 C14 C11 107.934
C9 C14 H15 109.250 C9 C14 H16 110.689
H10 C9 C14 109.369 C11 C14 H15 109.568
C11 C14 H16 110.578 H12 C11 H13 110.160
H12 C11 C14 111.685 H13 C11 C14 111.690
H15 C14 H16 108.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability