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All results from a given calculation for C5H6S (Thiophene, 2-methyl-)

using model chemistry: LSDA/aug-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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-590.199839
Energy at 298.15K-590.205900
Nuclear repulsion energy272.932235
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 LSDA/aug-cc-pVDZ
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 3194 3158 1.47      
2 A 3157 3121 1.01      
3 A 3139 3104 3.34      
4 A 3071 3037 4.65      
5 A 2971 2937 22.73      
6 A 1575 1558 5.21      
7 A 1495 1478 7.95      
8 A 1398 1382 7.61      
9 A 1349 1334 2.25      
10 A 1322 1307 2.58      
11 A 1195 1182 8.80      
12 A 1185 1172 10.68      
13 A 1045 1033 5.89      
14 A 1028 1016 3.18      
15 A 944 934 2.50      
16 A 849 839 11.64      
17 A 745 737 0.08      
18 A 677 670 0.87      
19 A 546 540 0.56      
20 A 295 292 0.80      
21 A 3041 3006 4.63      
22 A 1375 1359 11.25      
23 A 992 981 1.24      
24 A 862 852 0.23      
25 A 783 775 15.26      
26 A 663 655 71.76      
27 A 571 564 0.31      
28 A 474 468 5.95      
29 A 229 227 3.27      
30 A 100 98 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 20134.3 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 19906.8 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 LSDA/aug-cc-pVDZ
ABC
0.17609 0.10441 0.06637

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.390 -1.567 0.000
C2 -1.431 -1.034 0.000
H3 -2.152 1.075 0.000
C4 -1.302 0.378 0.000
C5 0.000 0.814 0.000
H6 -0.005 -2.746 0.000
C7 -0.219 -1.672 0.000
S8 1.080 -0.541 0.000
H9 -0.341 2.909 0.000
H10 1.130 2.422 0.892
H11 1.130 2.422 -0.892
C12 0.510 2.203 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.09782.65272.22853.37372.66082.17433.61874.92245.39445.39444.7568
C21.09782.22861.41752.33672.22831.37002.55854.09024.39264.39263.7743
H32.65272.22861.09882.16754.38313.35913.61312.57693.65763.65762.8911
C42.22851.41751.09881.37333.38302.31892.55332.70713.29993.29992.5723
C53.37372.33672.16751.37333.56042.49561.73252.12262.15852.15851.4801
H62.66082.22834.38313.38303.56041.09542.45815.66535.36675.36674.9766
C72.17431.37003.35912.31892.49561.09541.72214.58264.40204.40203.9433
S83.61872.55853.61312.55331.73252.45811.72213.73103.09513.09512.8028
H94.92244.09022.57692.70712.12265.66534.58263.73101.78781.78781.1058
H105.39444.39263.65763.29992.15855.36674.40203.09511.78781.78441.1080
H115.39444.39263.65763.29992.15855.36674.40203.09511.78781.78441.1080
C124.75683.77432.89112.57231.48014.97663.94332.80281.10581.10801.1080

picture of Thiophene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 124.256 H1 C2 C7 123.165
C2 C4 H3 124.177 C2 C4 C5 113.701
C2 C7 H6 129.000 C2 C7 S8 111.163
H3 C4 C5 122.122 C4 C2 C7 112.579
C4 C5 S8 110.053 C4 C5 C12 128.667
C5 S8 C7 92.504 C5 C12 H9 109.481
C5 C12 H10 112.226 C5 C12 H11 112.226
H6 C7 S8 119.837 S8 C5 C12 121.281
H9 C12 H10 107.717 H9 C12 H11 107.717
H10 C12 H11 107.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.488      
2 C 0.298      
3 H -0.668      
4 C 1.294      
5 C -0.235      
6 H -0.525      
7 C 0.101      
8 S 0.208      
9 H -0.233      
10 H -0.068      
11 H -0.068      
12 C 0.385      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.317 0.633 0.000 0.708
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.839 0.649 0.000
y 0.649 -37.824 0.000
z 0.000 0.000 -46.718
Traceless
 xyz
x 0.432 0.649 0.000
y 0.649 6.454 0.000
z 0.000 0.000 -6.886
Polar
3z2-r2-13.772
x2-y2-4.015
xy0.649
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.264 0.568 0.000
y 0.568 14.322 0.000
z 0.000 0.000 8.049


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000