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All results from a given calculation for C5H10S (Thiophene, tetrahydro-2-methyl-)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-591.694731
Energy at 298.15K-591.706601
Nuclear repulsion energy307.422681
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 mPW1PW91/3-21G
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 3198 3053 8.51      
2 A 3165 3021 25.56      
3 A 3148 3005 23.24      
4 A 3142 3000 17.56      
5 A 3137 2994 5.66      
6 A 3127 2985 12.59      
7 A 3119 2977 2.97      
8 A 3089 2949 16.20      
9 A 3080 2940 19.72      
10 A 3068 2929 17.54      
11 A 1565 1494 11.36      
12 A 1554 1483 8.58      
13 A 1547 1476 0.93      
14 A 1537 1467 12.16      
15 A 1531 1462 5.58      
16 A 1466 1399 11.91      
17 A 1403 1340 2.47      
18 A 1394 1331 1.16      
19 A 1364 1302 4.12      
20 A 1325 1265 12.83      
21 A 1315 1255 12.11      
22 A 1265 1208 6.49      
23 A 1228 1172 10.66      
24 A 1174 1120 0.73      
25 A 1129 1077 0.06      
26 A 1112 1061 2.39      
27 A 1066 1018 8.19      
28 A 1041 993 1.32      
29 A 1005 960 5.97      
30 A 974 930 5.94      
31 A 913 871 1.40      
32 A 879 839 1.69      
33 A 858 819 4.87      
34 A 663 633 3.81      
35 A 620 592 4.45      
36 A 534 510 1.28      
37 A 462 441 0.08      
38 A 411 393 0.91      
39 A 293 279 1.68      
40 A 265 253 0.26      
41 A 245 234 0.19      
42 A 96 91 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 31752.0 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 30310.4 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 mPW1PW91/3-21G
ABC
0.13525 0.09161 0.06009

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.274 0.141 0.225
H2 -2.174 0.009 1.306
H3 -2.854 1.051 0.027
H4 -2.829 -0.711 -0.177
S5 0.115 -1.331 -0.075
C6 1.696 -0.344 0.305
H7 2.530 -0.825 -0.206
H8 1.852 -0.365 1.385
C9 -0.896 0.252 -0.416
H10 -0.976 0.345 -1.503
C11 1.424 1.079 -0.196
H12 1.560 1.120 -1.282
H13 2.112 1.792 0.272
C14 -0.040 1.391 0.149
H15 -0.362 2.351 -0.269
H16 -0.162 1.421 1.239

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.09391.09681.09392.82214.00024.91894.31601.52382.17043.83804.23374.68632.56082.96332.6700
H21.09391.78441.77482.99054.01265.01094.04422.15833.07194.04264.67654.75532.79273.35332.4589
H31.09681.78441.77403.80754.76685.70565.09852.16022.52254.28334.60355.02642.83682.82572.9754
H41.09391.77481.77403.01044.56555.36044.94752.17302.51134.61464.88215.55703.50793.93343.6972
S52.82212.99053.80753.01041.90222.47122.46671.90922.45712.74573.09093.72302.73573.71813.0629
C64.00024.01264.76684.56551.90221.09011.09102.75583.29871.53362.16412.17642.45933.43952.7278
H74.91895.01095.70565.36042.47121.09011.78973.59733.91642.20192.42502.69223.41154.29573.7921
H84.31604.04425.09854.94752.46671.09101.78973.34344.10362.18333.06642.44052.86163.87472.6959
C91.52382.15832.16022.17301.90922.75583.59733.34341.09312.47282.74463.44841.53302.17102.1558
H102.17043.07192.52252.51132.45713.29873.91644.10361.09312.82942.66033.84382.16762.43383.0558
C113.83804.04264.28334.61462.74571.53362.20192.18332.47282.82941.09561.09521.53582.19372.1656
H124.23374.67654.60354.88213.09092.16412.42503.06642.74462.66031.09561.78062.16342.49703.0676
H134.68634.75535.02645.55703.72302.17642.69222.44053.44843.84381.09521.78062.19222.59342.4984
C142.56082.79272.83683.50792.73572.45933.41152.86161.53302.16761.53582.16342.19221.09581.0969
H152.96333.35332.82573.93343.71813.43954.29573.87472.17102.43382.19372.49702.59341.09581.7826
H162.67002.45892.97543.69723.06292.72783.79212.69592.15583.05582.16563.06762.49841.09691.7826

picture of Thiophene, tetrahydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C9 S5 110.082 C1 C9 H10 110.998
C1 C9 C14 113.809 H2 C1 H3 109.085
H2 C1 H4 108.425 H2 C1 C9 109.993
H3 C1 H4 108.152 H3 C1 C9 109.975
H4 C1 C9 111.156 S5 C6 H7 108.272
S5 C6 H8 107.907 S5 C6 C11 105.596
S5 C9 H10 106.670 S5 C9 C14 104.737
C6 S5 C9 92.614 C6 C11 H12 109.671
C6 C11 H13 110.665 C6 C11 C14 106.495
H7 C6 H8 110.284 H7 C6 C11 113.034
H8 C6 C11 111.467 C9 C14 C11 107.380
C9 C14 H15 110.243 C9 C14 H16 108.985
H10 C9 C14 110.133 C11 C14 H15 111.860
C11 C14 H16 109.560 H12 C11 H13 108.736
H12 C11 C14 109.468 H13 C11 C14 111.775
H15 C14 H16 108.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.603      
2 H 0.230      
3 H 0.218      
4 H 0.230      
5 S 0.246      
6 C -0.668      
7 H 0.257      
8 H 0.254      
9 C -0.505      
10 H 0.258      
11 C -0.438      
12 H 0.235      
13 H 0.233      
14 C -0.407      
15 H 0.231      
16 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.349 2.462 0.054 2.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.006 -0.304 0.950
y -0.304 -48.779 -0.397
z 0.950 -0.397 -45.947
Traceless
 xyz
x 5.356 -0.304 0.950
y -0.304 -4.802 -0.397
z 0.950 -0.397 -0.554
Polar
3z2-r2-1.108
x2-y26.773
xy-0.304
xz0.950
yz-0.397


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


<r2> (average value of r2) Å2
<r2> 207.011
(<r2>)1/2 14.388