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

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-554.298133
Energy at 298.15K-554.305000
Nuclear repulsion energy216.556986
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 B3LYP/cc-pVTZ
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 3222 3114 6.34      
2 A 3188 3082 2.39      
3 A 3124 3019 10.94      
4 A 3065 2962 41.85      
5 A 3049 2947 7.49      
6 A 2990 2890 38.86      
7 A 1639 1584 14.29      
8 A 1493 1443 1.35      
9 A 1478 1429 2.23      
10 A 1343 1298 0.35      
11 A 1326 1282 4.66      
12 A 1283 1241 14.08      
13 A 1204 1164 1.96      
14 A 1146 1108 0.89      
15 A 1123 1085 0.65      
16 A 1017 983 4.94      
17 A 994 961 3.42      
18 A 931 899 0.82      
19 A 913 882 2.89      
20 A 857 828 1.90      
21 A 787 761 20.74      
22 A 692 669 23.91      
23 A 674 651 30.69      
24 A 648 626 6.61      
25 A 503 486 0.42      
26 A 412 398 2.02      
27 A 152 147 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 19625.2 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 18969.7 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 B3LYP/cc-pVTZ
ABC
0.22841 0.15574 0.09738

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.078 -1.272 0.189
H2 -0.053 -1.562 1.238
H3 0.113 -2.148 -0.425
C4 -1.396 -0.560 -0.159
H5 -2.213 -0.949 0.451
H6 -1.669 -0.739 -1.205
C7 0.114 1.280 0.074
H8 0.490 2.289 0.150
C9 -1.164 0.914 0.056
H10 -1.981 1.619 0.116
S11 1.278 -0.043 -0.080

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.08921.08651.53732.17502.18162.56153.60552.44403.46131.8499
H21.08921.77092.18112.37883.04303.07544.03772.95953.88462.4122
H31.08651.77092.20622.75892.40223.46434.48973.35214.34322.4311
C41.53732.18112.20621.09151.09642.39173.43021.50772.27282.7247
H52.17502.37882.75891.09151.75593.24464.22852.17462.60033.6459
H62.18163.04302.40221.09641.75592.98263.95842.14032.72083.2312
C72.56153.07543.46432.39173.24462.98261.07901.32932.12251.7688
H83.60554.03774.48973.43024.22853.95841.07902.15242.56012.4717
C92.44402.95953.35211.50772.17462.14031.32932.15241.08072.6262
H103.46133.88464.34322.27282.60032.72082.12252.56011.08073.6634
S111.84992.41222.43112.72473.64593.23121.76882.47172.62623.6634

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 110.510 C1 C4 H6 110.745
C1 C4 C9 106.760 C1 S11 C7 90.090
H2 C1 H3 108.971 H2 C1 C4 111.136
H2 C1 S11 107.472 H3 C1 C4 113.339
H3 C1 S11 108.981 C4 C1 S11 106.741
C4 C9 C7 114.780 C4 C9 H10 121.947
H5 C4 H6 106.747 H5 C4 C9 112.586
H6 C4 C9 109.536 C7 C9 H10 123.121
H8 C7 C9 126.385 H8 C7 S11 118.417
C9 C7 S11 115.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.168     -0.100
2 H 0.111     0.085
3 H 0.109     0.093
4 C -0.144     0.095
5 H 0.096     0.012
6 H 0.095     0.020
7 C -0.133     -0.259
8 H 0.122     0.214
9 C -0.164     -0.115
10 H 0.125     0.089
11 S -0.050     -0.133


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.540 -0.391 0.162 1.597
CHELPG        
AIM        
ESP -1.513 -0.399 0.200 1.578


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.722 0.603 0.056
y 0.603 -33.983 0.036
z 0.056 0.036 -39.942
Traceless
 xyz
x -1.759 0.603 0.056
y 0.603 5.349 0.036
z 0.056 0.036 -3.589
Polar
3z2-r2-7.178
x2-y2-4.739
xy0.603
xz0.056
yz0.036


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.265 0.093 -0.092
y 0.093 9.674 0.080
z -0.092 0.080 6.350


<r2> (average value of r2) Å2
<r2> 128.129
(<r2>)1/2 11.319