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All results from a given calculation for C4H6S (Thiophene, 2,3-dihydro-)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-553.229401
Energy at 298.15K-553.236387
HF Energy-552.522589
Nuclear repulsion energy217.288757
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/TZVP
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 3274 3103 6.18      
2 A 3246 3076 0.74      
3 A 3193 3027 10.04      
4 A 3144 2980 20.01      
5 A 3110 2948 19.67      
6 A 3060 2901 32.16      
7 A 1620 1536 12.15      
8 A 1506 1427 0.98      
9 A 1485 1408 3.28      
10 A 1363 1292 0.79      
11 A 1354 1284 4.23      
12 A 1307 1239 19.63      
13 A 1216 1153 1.67      
14 A 1166 1105 0.66      
15 A 1134 1075 1.49      
16 A 1040 986 5.10      
17 A 1023 970 2.83      
18 A 943 894 2.72      
19 A 917 869 0.70      
20 A 887 841 1.21      
21 A 807 765 22.84      
22 A 706 669 9.23      
23 A 683 647 28.81      
24 A 647 613 28.97      
25 A 501 475 0.65      
26 A 408 387 1.63      
27 A 206 196 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 19972.3 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 18931.7 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/TZVP
ABC
0.23062 0.15616 0.09894

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 -1.215 0.340
H2 -0.184 -1.223 1.427
H3 0.113 -2.222 -0.028
C4 -1.301 -0.567 -0.302
H5 -2.251 -1.040 -0.058
H6 -1.133 -0.634 -1.384
C7 0.092 1.267 0.077
H8 0.397 2.265 0.208
C9 -1.184 0.848 0.094
H10 -1.985 1.455 0.406
S11 1.244 -0.038 -0.114

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09201.08941.52272.21192.10152.50193.51582.35173.27941.8307
H21.09201.78962.16102.55233.02562.84583.74092.65853.38552.4123
H31.08941.78962.19402.64272.43193.49014.50213.33464.25532.4611
C41.52272.16102.19401.08881.09762.33393.34141.47392.24832.6062
H52.21192.55232.64271.08881.78133.29114.24402.17472.55193.6361
H62.10153.02562.43191.09761.78132.69253.64432.09392.87972.7601
C72.50192.84583.49012.33393.29112.69251.05221.34282.11171.7504
H83.51583.74094.50213.34144.24403.64431.05222.12612.52462.4744
C92.35172.65853.33461.47392.17472.09391.34282.12611.05262.5922
H103.27943.38554.25532.24832.55192.87972.11172.52461.05263.5950
S111.83072.41232.46112.60623.63612.76011.75042.47442.59223.5950

picture of Thiophene, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 114.755 C1 C4 H6 105.492
C1 C4 C9 103.392 C1 S11 C7 88.606
H2 C1 H3 110.257 H2 C1 C4 110.396
H2 C1 S11 108.606 H3 C1 C4 113.232
H3 C1 S11 112.385 C4 C1 S11 101.614
C4 C9 C7 111.825 C4 C9 H10 124.884
H5 C4 H6 109.118 H5 C4 C9 115.296
H6 C4 C9 108.140 C7 C9 H10 123.212
H8 C7 C9 124.744 H8 C7 S11 121.991
C9 C7 S11 113.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability