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

using model chemistry: B1B95/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 B1B95/CEP-31G
 hartrees
Energy at 0K-44.255925
Energy at 298.15K-44.267757
Nuclear repulsion energy135.803546
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 B1B95/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 3188 3052 38.73      
2 A 3181 3046 22.84      
3 A 3161 3027 49.33      
4 A 3155 3021 47.76      
5 A 3139 3006 31.97      
6 A 3113 2981 15.52      
7 A 3107 2975 77.97      
8 A 3084 2953 48.64      
9 A 3069 2939 16.44      
10 A 3061 2931 34.89      
11 A 1524 1459 7.41      
12 A 1510 1445 2.22      
13 A 1497 1434 11.63      
14 A 1488 1425 6.23      
15 A 1485 1422 9.11      
16 A 1418 1358 17.74      
17 A 1375 1317 2.55      
18 A 1352 1295 8.15      
19 A 1327 1270 2.44      
20 A 1302 1247 6.06      
21 A 1272 1217 15.96      
22 A 1239 1186 2.44      
23 A 1190 1139 3.15      
24 A 1133 1085 0.05      
25 A 1087 1041 0.92      
26 A 1064 1019 0.66      
27 A 1056 1011 1.93      
28 A 1017 974 5.42      
29 A 978 937 0.27      
30 A 950 909 0.61      
31 A 918 879 9.06      
32 A 869 832 2.47      
33 A 814 780 3.10      
34 A 706 676 8.30      
35 A 673 644 3.08      
36 A 595 570 1.30      
37 A 484 464 0.18      
38 A 367 351 0.35      
39 A 340 325 0.21      
40 A 258 247 0.19      
41 A 183 176 0.42      
42 A 119 114 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 31423.8 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 30088.3 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 B1B95/CEP-31G
ABC
0.13641 0.08444 0.06938

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.504 -0.434 -0.266
C2 1.857 -0.338 -0.862
H3 1.137 -0.279 -1.694
H4 2.620 0.445 -1.007
H5 2.360 -1.317 -0.926
C6 -0.019 -1.181 0.663
H7 0.206 -2.161 0.221
H8 -0.302 -1.307 1.718
C9 1.145 -0.174 0.501
H10 1.877 -0.336 1.312
C11 -0.705 1.293 -0.314
H12 -1.457 2.030 -0.002
H13 -0.392 1.505 -1.346
C14 0.498 1.228 0.654
H15 0.146 1.361 1.691
H16 1.222 2.030 0.435

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.41533.00674.28154.01851.90462.47932.47952.77083.73261.90332.47892.48242.75993.12633.7408
C23.41531.10221.10271.10252.56072.68763.50111.54682.17443.08664.16332.94832.56893.51172.7740
H33.00671.10221.78751.77862.77632.84233.84352.19833.09682.78783.86362.37592.86283.88993.1424
H44.28151.10271.78751.78313.52113.75874.36282.19852.55783.50114.48843.21142.80673.77362.5591
H54.01851.10251.77861.78312.86432.58223.75182.19562.49134.07235.16033.96463.52734.35003.7885
C61.90462.56072.77633.52112.86431.09871.09951.54802.17462.74663.58053.37492.46322.74633.4496
H72.47932.68762.84233.75872.58221.09871.79662.21602.70413.61214.51494.03203.42883.81664.3177
H82.47953.50113.84354.36283.75181.09951.79662.20442.41933.32453.92844.16012.86292.70543.8862
C92.77081.54682.19832.19852.19561.54802.21602.20441.10402.49793.44702.93171.55122.18362.2059
H103.73262.17443.09682.55782.49132.17462.70412.41931.10403.45874.29393.95012.18592.45312.6067
C111.90333.08662.78783.50114.07232.74663.61213.32452.49793.45871.09821.09921.54562.17862.1947
H122.47894.16333.86364.48845.16033.58054.51493.92843.44704.29391.09821.79312.21272.42512.7139
H132.48242.94832.37593.21143.96463.37494.03204.16012.93173.95011.09921.79312.20683.08722.4601
C142.75992.56892.86282.80673.52732.46323.42882.86291.55122.18591.54562.21272.20681.10261.1025
H153.12633.51173.88993.77364.35002.74633.81662.70542.18362.45312.17862.42513.08721.10261.7836
H163.74082.77403.14242.55913.78853.44964.31773.88622.20592.60672.19472.71392.46011.10251.7836

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 108.272 S1 C6 H8 108.247
S1 C6 C9 106.287 S1 C11 H12 108.348
S1 C11 H13 108.550 S1 C11 C14 105.836
C2 C9 C6 111.666 C2 C9 H10 109.083
C2 C9 C14 112.032 H3 C2 H4 108.328
H3 C2 H5 107.550 H3 C2 C9 111.050
H4 C2 H5 107.913 H4 C2 C9 111.038
H5 C2 C9 110.823 C6 S1 C11 92.322
C6 C9 H10 109.020 C6 C9 C14 105.272
H7 C6 H8 109.625 H7 C6 C9 112.597
H8 C6 C9 111.617 C9 C14 C11 107.534
C9 C14 H15 109.578 C9 C14 H16 111.334
H10 C9 C14 109.679 C11 C14 H15 109.574
C11 C14 H16 110.842 H12 C11 H13 109.378
H12 C11 C14 112.534 H13 C11 C14 112.005
H15 C14 H16 107.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.126      
2 C -0.478      
3 H 0.168      
4 H 0.147      
5 H 0.153      
6 C -0.633      
7 H 0.211      
8 H 0.200      
9 C 0.020      
10 H 0.177      
11 C -0.584      
12 H 0.211      
13 H 0.189      
14 C -0.236      
15 H 0.159      
16 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.256 0.895 0.830 2.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.349 -2.071 -0.177
y -2.071 -41.918 -1.346
z -0.177 -1.346 -44.682
Traceless
 xyz
x -5.050 -2.071 -0.177
y -2.071 4.598 -1.346
z -0.177 -1.346 0.452
Polar
3z2-r20.903
x2-y2-6.432
xy-2.071
xz-0.177
yz-1.346


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.418 0.176 0.818
y 0.176 10.242 -0.439
z 0.818 -0.439 8.090


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