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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-591.751264
Energy at 298.15K-591.763271
Nuclear repulsion energy314.198374
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 B1B95/3-21G*
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 3157 3015 14.05      
2 A 3149 3007 8.64      
3 A 3139 2997 24.42      
4 A 3136 2995 28.05      
5 A 3133 2992 7.42      
6 A 3101 2961 12.92      
7 A 3096 2957 37.14      
8 A 3087 2947 12.18      
9 A 3078 2939 7.71      
10 A 3060 2922 15.20      
11 A 1570 1500 8.79      
12 A 1554 1484 3.12      
13 A 1537 1468 7.49      
14 A 1529 1460 6.38      
15 A 1520 1451 9.83      
16 A 1455 1390 19.88      
17 A 1397 1334 2.04      
18 A 1359 1297 8.69      
19 A 1339 1278 1.01      
20 A 1327 1267 6.54      
21 A 1280 1222 5.78      
22 A 1257 1200 6.46      
23 A 1203 1149 3.59      
24 A 1166 1113 0.89      
25 A 1111 1061 1.90      
26 A 1096 1047 2.33      
27 A 1059 1011 0.94      
28 A 1003 958 1.84      
29 A 976 932 0.29      
30 A 939 897 1.61      
31 A 916 875 3.75      
32 A 865 826 1.08      
33 A 817 780 2.53      
34 A 724 691 6.45      
35 A 689 658 2.68      
36 A 616 588 1.58      
37 A 507 484 0.16      
38 A 383 365 0.17      
39 A 355 339 0.04      
40 A 270 258 0.18      
41 A 201 192 0.14      
42 A 136 129 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 31645.1 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 30218.0 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 B1B95/3-21G*
ABC
0.13935 0.08883 0.07336

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.447 -0.425 -0.264
C2 1.781 -0.351 -0.873
H3 1.013 -0.306 -1.652
H4 2.525 0.430 -1.060
H5 2.277 -1.324 -0.943
C6 -0.044 -1.146 0.681
H7 0.184 -2.136 0.279
H8 -0.320 -1.237 1.734
C9 1.134 -0.172 0.505
H10 1.874 -0.340 1.295
C11 -0.698 1.255 -0.317
H12 -1.442 1.994 -0.014
H13 -0.372 1.474 -1.336
C14 0.502 1.223 0.646
H15 0.149 1.361 1.674
H16 1.217 2.017 0.406

Atom - Atom Distances (Å)
  S1 C2 H3 H4 H5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
S13.28652.82714.14043.89111.83902.42632.43442.70573.67031.84032.43182.43122.70993.08093.6749
C23.28651.09491.09451.09432.52612.65823.46391.53272.17053.00634.07762.86082.53453.47552.7496
H32.82711.09491.78291.77142.69542.78653.75622.16423.07062.67363.74182.27772.80723.81873.1098
H44.14041.09451.78291.77543.48103.72274.32192.17812.56193.40904.39043.09202.76273.73922.5253
H53.89111.09431.77141.77542.83842.55593.73052.17422.47763.98715.06993.87363.48774.31033.7553
C61.83902.52612.69543.48102.83841.09261.09281.53952.17002.68153.50683.32322.43212.70343.4161
H72.42632.65822.78653.72272.55591.09261.78362.19372.66763.55494.44863.99433.39463.76504.2812
H82.43443.46393.75624.32193.73051.09281.78362.18182.41033.25013.84124.09672.81292.64033.8354
C92.70571.53272.16422.17812.17421.53952.19372.18181.09562.46393.40562.89311.53862.16472.1924
H103.67032.17053.07062.56192.47762.17002.66762.41031.09563.42934.26103.90682.17912.45142.6031
C111.84033.00632.67363.40903.98712.68153.55493.25012.46393.42931.09131.09241.53882.16592.1835
H122.43184.07763.74184.39045.06993.50684.44863.84123.40564.26101.09131.77872.19242.40412.6913
H132.43122.86082.27773.09203.87363.32323.99434.09672.89313.90681.09241.77872.18103.05692.4195
C142.70992.53452.80722.76273.48772.43213.39462.81291.53862.17911.53882.19242.18101.09501.0944
H153.08093.47553.81873.73924.31032.70343.76502.64032.16472.45142.16592.40413.05691.09501.7821
H163.67492.74963.10982.52533.75533.41614.28123.83542.19242.60312.18352.69132.41951.09441.7821

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 109.039 S1 C6 H8 109.632
S1 C6 C9 106.084 S1 C11 H12 109.431
S1 C11 H13 109.328 S1 C11 C14 106.294
C2 C9 C6 110.621 C2 C9 H10 110.239
C2 C9 C14 111.220 H3 C2 H4 109.044
H3 C2 H5 108.026 H3 C2 C9 109.776
H4 C2 H5 108.419 H4 C2 C9 110.904
H5 C2 C9 110.603 C6 S1 C11 93.576
C6 C9 H10 109.724 C6 C9 C14 104.394
H7 C6 H8 109.398 H7 C6 C9 111.784
H8 C6 C9 110.828 C9 C14 C11 106.382
C9 C14 H15 109.405 C9 C14 H16 111.635
H10 C9 C14 110.502 C11 C14 H15 109.488
C11 C14 H16 110.909 H12 C11 H13 109.087
H12 C11 C14 111.812 H13 C11 C14 110.827
H15 C14 H16 108.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.157      
2 C -0.576      
3 H 0.226      
4 H 0.204      
5 H 0.209      
6 C -0.550      
7 H 0.238      
8 H 0.236      
9 C -0.310      
10 H 0.227      
11 C -0.586      
12 H 0.243      
13 H 0.236      
14 C -0.401      
15 H 0.225      
16 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.920 0.789 0.715 2.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.597 -1.771 -0.169
y -1.771 -43.025 -1.239
z -0.169 -1.239 -45.621
Traceless
 xyz
x -4.274 -1.771 -0.169
y -1.771 4.084 -1.239
z -0.169 -1.239 0.190
Polar
3z2-r20.381
x2-y2-5.572
xy-1.771
xz-0.169
yz-1.239


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.814 0.049 0.321
y 0.049 9.552 -0.253
z 0.321 -0.253 8.103


<r2> (average value of r2) Å2
<r2> 191.047
(<r2>)1/2 13.822