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

using model chemistry: HF/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 HF/CEP-31G*
 hartrees
Energy at 0K-43.202178
Energy at 298.15K-43.214377
Nuclear repulsion energy136.991070
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 HF/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 3322 2984 55.75      
2 A 3314 2976 35.60      
3 A 3292 2957 82.85      
4 A 3278 2943 123.59      
5 A 3273 2939 8.75      
6 A 3266 2933 18.30      
7 A 3261 2928 91.82      
8 A 3235 2905 62.77      
9 A 3220 2891 23.23      
10 A 3214 2886 41.53      
11 A 1648 1480 1.46      
12 A 1641 1474 2.66      
13 A 1625 1459 2.20      
14 A 1623 1458 6.25      
15 A 1616 1451 1.56      
16 A 1558 1399 3.78      
17 A 1495 1342 4.12      
18 A 1481 1330 1.86      
19 A 1452 1304 10.22      
20 A 1422 1277 4.58      
21 A 1395 1252 30.65      
22 A 1343 1206 2.01      
23 A 1297 1165 2.35      
24 A 1240 1113 0.14      
25 A 1166 1047 1.59      
26 A 1157 1039 0.08      
27 A 1117 1003 0.51      
28 A 1070 961 1.01      
29 A 1036 930 0.15      
30 A 1002 900 0.91      
31 A 973 874 2.62      
32 A 918 825 1.37      
33 A 854 767 2.02      
34 A 783 703 5.72      
35 A 756 679 4.94      
36 A 656 589 0.38      
37 A 529 475 0.05      
38 A 396 356 0.04      
39 A 371 333 0.19      
40 A 244 219 0.06      
41 A 204 183 0.23      
42 A 121 108 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 33430.3 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 30020.4 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 HF/CEP-31G*
ABC
0.14202 0.08536 0.06966

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.492 0.940 -0.515
C2 -1.763 -0.167 -0.695
H3 -1.195 -0.155 -1.626
H4 -2.294 -1.120 -0.633
H5 -2.509 0.628 -0.753
C6 -0.028 1.332 0.447
H7 -0.569 2.134 -0.051
H8 0.261 1.676 1.438
C9 -0.855 0.030 0.535
H10 -1.486 0.074 1.424
C11 1.279 -0.880 -0.371
H12 2.224 -1.331 -0.082
H13 0.986 -1.287 -1.336
C14 0.184 -1.098 0.693
H15 0.633 -1.039 1.686
H16 -0.268 -2.086 0.592

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.44243.10664.31164.01971.84062.42602.42252.72703.65801.83822.42582.42682.70663.08223.6718
C23.44241.09051.09241.09212.56152.67113.46991.54182.15073.14044.19813.03652.56573.48832.7517
H33.10661.09051.76761.76142.80532.84823.85452.19563.07262.86653.93142.47402.85793.88453.0831
H44.31161.09241.76761.76493.50903.72834.31632.18172.51193.59044.55663.35902.81083.73532.5573
H54.01971.09211.76141.76492.84412.55403.68342.18012.46824.09445.16614.02763.51034.31263.7678
C61.84062.56152.80533.50902.84411.08741.08791.54482.16012.69603.52763.32652.45222.75623.4299
H72.42602.67112.84823.72832.55401.08741.76472.20222.69463.54924.45053.97113.40103.81174.2792
H82.42253.46993.85454.31633.68341.08791.76472.18322.37053.29203.89904.12262.87322.75173.8919
C92.72701.54182.19562.18172.18011.54482.20222.18321.09152.49003.42222.93691.54192.16362.1970
H103.65802.15073.07262.51192.46822.16012.69462.37051.09153.43194.24363.94782.16782.40842.6160
C111.83823.14042.86653.59044.09442.69603.54923.29202.49003.43191.08701.08741.54222.16162.1852
H122.42584.19813.93144.55665.16613.52764.45053.89903.42224.24361.08701.76312.19442.39552.6895
H132.42683.03652.47403.35904.02763.32653.97114.12262.93693.94781.08741.76312.19023.05242.4351
C142.70662.56572.85792.81083.51032.45223.40102.87321.54192.16781.54222.19442.19021.09111.0911
H153.08223.48833.88453.73534.31262.75623.81172.75172.16362.40842.16162.39553.05241.09111.7619
H163.67182.75173.08312.55733.76783.42994.27923.89192.19702.61602.18522.68952.43511.09111.7619

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 109.184 S1 C6 H8 108.901
S1 C6 C9 106.999 S1 C11 H12 109.350
S1 C11 H13 109.404 S1 C11 C14 106.061
C2 C9 C6 112.173 C2 C9 H10 108.306
C2 C9 C14 112.621 H3 C2 H4 108.140
H3 C2 H5 107.610 H3 C2 C9 111.901
H4 C2 H5 107.789 H4 C2 C9 110.677
H5 C2 C9 110.569 C6 S1 C11 94.254
C6 C9 H10 108.831 C6 C9 C14 105.205
H7 C6 H8 108.427 H7 C6 C9 112.413
H8 C6 C9 110.852 C9 C14 C11 107.683
C9 C14 H15 109.323 C9 C14 H16 111.967
H10 C9 C14 109.624 C11 C14 H15 109.146
C11 C14 H16 111.000 H12 C11 H13 108.363
H12 C11 C14 111.991 H13 C11 C14 111.623
H15 C14 H16 107.688
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.114      
2 C -0.395      
3 H 0.128      
4 H 0.117      
5 H 0.123      
6 C -0.360      
7 H 0.160      
8 H 0.141      
9 C 0.030      
10 H 0.133      
11 C -0.304      
12 H 0.157      
13 H 0.128      
14 C -0.198      
15 H 0.116      
16 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.698 -1.334 1.065 2.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.025 -3.914 0.547
y -3.914 -44.342 1.716
z 0.547 1.716 -45.842
Traceless
 xyz
x -2.933 -3.914 0.547
y -3.914 2.591 1.716
z 0.547 1.716 0.342
Polar
3z2-r20.684
x2-y2-3.683
xy-3.914
xz0.547
yz1.716


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.970 0.057 -0.887
y 0.057 10.044 -0.043
z -0.887 -0.043 8.173


<r2> (average value of r2) Å2
<r2> 145.102
(<r2>)1/2 12.046