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All results from a given calculation for C5H6S (Thiophene, 3-methyl-)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-591.169160
Energy at 298.15K-591.175301
HF Energy-590.359247
Nuclear repulsion energy268.456505
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 MP2/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3288 3132 0.91      
2 A' 3276 3121 0.71      
3 A' 3244 3090 3.25      
4 A' 3185 3034 12.14      
5 A' 3079 2933 31.06      
6 A' 1583 1508 1.87      
7 A' 1497 1426 9.59      
8 A' 1450 1381 4.99      
9 A' 1431 1363 3.29      
10 A' 1404 1337 0.75      
11 A' 1252 1193 4.24      
12 A' 1187 1131 2.97      
13 A' 1090 1038 4.47      
14 A' 1008 960 8.31      
15 A' 951 905 3.12      
16 A' 894 852 12.37      
17 A' 864 823 6.87      
18 A' 670 638 0.26      
19 A' 548 522 0.28      
20 A' 314 299 0.69      
21 A" 3166 3016 13.86      
22 A" 1480 1409 5.87      
23 A" 1052 1002 1.60      
24 A" 860 819 0.08      
25 A" 759 723 72.37      
26 A" 668 636 1.73      
27 A" 582 554 7.35      
28 A" 454 433 0.39      
29 A" 233 222 3.55      
30 A" 98 94 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 20782.4 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 19795.3 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 MP2/cc-pVDZ
ABC
0.23017 0.08071 0.06044

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.228 0.814 0.000
C2 -1.258 0.308 0.000
C3 0.000 0.991 0.000
C4 1.060 0.093 0.000
H5 -1.919 -1.824 0.000
C6 -1.128 -1.072 0.000
S7 0.531 -1.552 0.000
H8 1.214 2.782 0.000
H9 -0.323 2.937 0.890
H10 -0.323 2.937 -0.890
C11 0.152 2.491 0.000
H12 2.127 0.325 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.09412.23463.36592.65652.18363.63433.96442.98762.98762.91054.3816
C21.09411.43152.32782.23201.38612.58023.49752.92932.92932.59853.3846
C32.23461.43151.38963.40702.35162.59762.16362.16442.16441.50722.2284
C43.36592.32781.38963.54222.47881.72722.69383.28613.28612.56441.0918
H52.65652.23203.40703.54221.09122.46505.57065.10005.10004.78594.5812
C62.18361.38612.35162.47881.09121.72704.51004.18534.18533.78583.5422
S73.63432.58022.59761.72722.46501.72704.38714.65544.65544.06012.4636
H83.96443.49752.16362.69385.57064.51004.38711.78311.78311.10152.6206
H92.98762.92932.16443.28615.10004.18534.65541.78311.78011.10333.6901
H102.98762.92932.16443.28615.10004.18534.65541.78311.78011.10333.6901
C112.91052.59851.50722.56444.78593.78584.06011.10151.10331.10332.9307
H124.38163.38462.22841.09184.58123.54222.46362.62063.69013.69012.9307

picture of Thiophene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 123.901 H1 C2 C6 122.958
C2 C3 C4 111.200 C2 C3 C11 124.289
C2 C6 H5 128.183 C2 C6 S7 111.488
C3 C2 C6 113.141 C3 C4 S7 112.454
C3 C4 H12 127.400 C3 C11 H8 111.109
C3 C11 H9 111.070 C3 C11 H10 111.070
C4 C3 C11 124.511 C4 S7 C6 91.718
H5 C6 S7 120.329 S7 C4 H12 120.146
H8 C11 H9 107.944 H8 C11 H10 107.944
H9 C11 H10 107.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability