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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-592.711238
Energy at 298.15K-592.723419
Nuclear repulsion energy311.774191
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/6-31G(2df,p)
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 3265 2957 23.83      
2 A 3250 2943 45.57      
3 A 3230 2925 47.93      
4 A 3227 2922 51.39      
5 A 3217 2913 28.37      
6 A 3206 2903 28.35      
7 A 3192 2890 6.47      
8 A 3178 2878 25.43      
9 A 3170 2870 52.39      
10 A 3163 2864 15.35      
11 A 1632 1477 0.76      
12 A 1615 1463 4.67      
13 A 1611 1458 2.38      
14 A 1609 1457 4.66      
15 A 1607 1455 1.40      
16 A 1539 1393 1.67      
17 A 1507 1364 1.77      
18 A 1477 1338 0.92      
19 A 1441 1305 0.61      
20 A 1423 1288 6.07      
21 A 1400 1268 30.21      
22 A 1343 1216 3.86      
23 A 1305 1182 4.84      
24 A 1257 1138 0.87      
25 A 1188 1076 0.07      
26 A 1160 1051 2.14      
27 A 1117 1011 4.03      
28 A 1096 992 0.24      
29 A 1048 949 2.02      
30 A 1025 928 2.00      
31 A 955 864 0.53      
32 A 927 839 1.61      
33 A 905 819 1.63      
34 A 749 678 3.81      
35 A 689 623 4.32      
36 A 565 512 0.50      
37 A 496 449 0.06      
38 A 439 398 0.55      
39 A 305 276 0.86      
40 A 272 246 0.12      
41 A 257 233 0.20      
42 A 96 87 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 33074.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 29948.5 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 HF/6-31G(2df,p)
ABC
0.14160 0.09293 0.06148

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.273 0.125 0.209
H2 -2.223 0.015 1.287
H3 -2.843 1.023 -0.022
H4 -2.817 -0.724 -0.191
S5 0.120 -1.284 -0.068
C6 1.666 -0.376 0.281
H7 2.487 -0.844 -0.245
H8 1.872 -0.419 1.343
C9 -0.878 0.223 -0.394
H10 -0.967 0.322 -1.471
C11 1.422 1.064 -0.176
H12 1.585 1.140 -1.247
H13 2.108 1.751 0.310
C14 -0.036 1.381 0.145
H15 -0.356 2.325 -0.288
H16 -0.168 1.453 1.222

Atom - Atom Distances (Å)
  C1 H2 H3 H4 S5 C6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
C11.08491.08751.08522.79153.97184.87924.33181.52362.13723.83194.24714.67462.56652.96042.6871
H21.08491.76401.75683.00234.03585.02674.11772.16323.04594.06474.71034.76692.81983.36202.5081
H31.08751.76401.75563.75544.73025.65155.11532.15392.47184.26744.59585.01522.83432.82012.9806
H41.08521.75681.75562.99224.52095.30524.94252.16762.48084.60044.89555.53483.50413.91993.7085
S52.79153.00233.75542.99221.82682.41402.40981.83722.39412.68763.06833.64822.67883.64743.0398
C63.97184.03584.73024.52091.82681.08171.08292.69913.23841.53042.15372.17232.45013.42132.7560
H74.87925.02675.65155.30522.41401.08171.75563.53303.84592.18672.39852.68073.38684.25733.8054
H84.33184.11775.11534.94252.40981.08291.75563.31534.06512.17043.03702.41512.88403.89292.7716
C91.52362.16322.15392.16761.83722.69913.53303.31531.08462.45832.76293.42741.53002.16842.1517
H102.13723.04592.47182.48082.39413.23843.84594.06511.08462.81662.68903.83012.14452.40463.0280
C113.83194.06474.26744.60042.68761.53042.18672.17042.45832.81661.08661.08581.52602.18192.1527
H124.24714.71034.59584.89553.06832.15372.39853.03702.76292.68901.08661.75302.15072.46793.0450
H134.67464.76695.01525.53483.64822.17232.68072.41513.42743.83011.08581.75302.18232.59982.4707
C142.56652.81982.83433.50412.67882.45013.38682.88401.53002.14451.52602.15072.18231.08651.0878
H152.96043.36202.82013.91993.64743.42134.25733.89292.16842.40462.18192.46792.59981.08651.7545
H162.68712.50812.98063.70853.03982.75603.80542.77162.15173.02802.15273.04502.47071.08781.7545

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 111.987 C1 C9 H10 108.887
C1 C9 C14 114.381 H2 C1 H3 108.587
H2 C1 H4 108.105 H2 C1 C9 110.934
H3 C1 H4 107.813 H3 C1 C9 110.034
H4 C1 C9 111.264 S5 C6 H7 109.516
S5 C6 H8 109.137 S5 C6 C11 106.029
S5 C9 H10 107.229 S5 C9 C14 105.053
C6 S5 C9 94.897 C6 C11 H12 109.600
C6 C11 H13 111.135 C6 C11 C14 106.575
H7 C6 H8 108.397 H7 C6 C11 112.551
H8 C6 C11 111.149 C9 C14 C11 107.107
C9 C14 H15 110.797 C9 C14 H16 109.398
H10 C9 C14 109.017 C11 C14 H15 112.175
C11 C14 H16 109.756 H12 C11 H13 107.601
H12 C11 C14 109.668 H13 C11 C14 112.253
H15 C14 H16 107.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.417      
2 H 0.146      
3 H 0.134      
4 H 0.147      
5 S -0.126      
6 C -0.276      
7 H 0.155      
8 H 0.151      
9 C -0.092      
10 H 0.140      
11 C -0.248      
12 H 0.136      
13 H 0.134      
14 C -0.248      
15 H 0.132      
16 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.388 2.168 0.012 2.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.591 -0.396 1.048
y -0.396 -48.724 -0.376
z 1.048 -0.376 -46.075
Traceless
 xyz
x 4.808 -0.396 1.048
y -0.396 -4.391 -0.376
z 1.048 -0.376 -0.417
Polar
3z2-r2-0.834
x2-y26.133
xy-0.396
xz1.048
yz-0.376


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.201 -0.116 0.252
y -0.116 10.169 -0.035
z 0.252 -0.035 8.285


<r2> (average value of r2) Å2
<r2> 203.277
(<r2>)1/2 14.258