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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-202.629730
Energy at 298.15K-202.636259
Nuclear repulsion energy188.795166
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/LANL2DZ
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 3484 3135 5.27      
2 A 3432 3089 9.56      
3 A 3414 3072 13.30      
4 A 3301 2971 27.45      
5 A 3205 2884 48.44      
6 A 1760 1584 5.01      
7 A 1664 1497 11.26      
8 A 1641 1477 18.83      
9 A 1577 1419 2.10      
10 A 1487 1338 0.36      
11 A 1391 1252 23.91      
12 A 1272 1145 18.56      
13 A 1217 1095 2.09      
14 A 1142 1028 1.92      
15 A 1084 975 2.73      
16 A 904 814 14.85      
17 A 764 687 4.02      
18 A 669 602 6.97      
19 A 586 528 1.09      
20 A 327 294 1.35      
21 A 3280 2952 33.07      
22 A 1630 1467 12.30      
23 A 1192 1073 2.37      
24 A 1076 968 0.45      
25 A 983 885 14.68      
26 A 820 738 129.25      
27 A 625 563 0.11      
28 A 508 457 7.40      
29 A 249 224 6.73      
30 A 127 114 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 22404.8 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 20162.0 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/LANL2DZ
ABC
0.17058 0.10163 0.06444

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.444 -2.287 0.000
C2 -0.715 -1.503 0.000
H3 -2.079 0.252 0.000
C4 -1.065 -0.095 0.000
C5 0.000 0.741 0.000
H6 1.137 -2.655 0.000
C7 0.618 -1.724 0.000
S8 1.533 -0.195 0.000
H9 -0.995 2.624 0.000
H10 0.525 2.632 0.876
H11 0.525 2.632 -0.876
C12 0.018 2.243 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.07032.61702.22473.35472.60772.13763.63874.93185.37055.37054.7601
C21.07032.22251.45132.35542.18171.35142.60134.13704.40534.40533.8172
H32.61702.22251.07112.13574.33543.34313.63922.60843.63493.63492.8919
C42.22471.45131.07111.35413.37772.34262.60022.72003.27603.27602.5767
C53.35472.35542.13571.35413.58162.54121.79572.12992.14922.14921.5020
H62.60772.18174.33543.37773.58161.06642.49225.69385.39435.39435.0243
C72.13761.35143.34312.34262.54121.06641.78214.63774.44424.44424.0118
S83.63872.60133.63922.60021.79572.49221.78213.78613.12633.12632.8695
H94.93184.13702.60842.72002.12995.69384.63773.78611.75401.75401.0827
H105.37054.40533.63493.27602.14925.39434.44423.12631.75401.75201.0841
H115.37054.40533.63493.27602.14925.39434.44423.12631.75401.75201.0841
C124.76013.81722.89192.57671.50205.02434.01182.86951.08271.08411.0841

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 123.123 H1 C2 C7 123.517
C2 C4 H3 122.841 C2 C4 C5 114.152
C2 C7 H6 128.553 C2 C7 S8 111.487
H3 C4 C5 123.007 C4 C2 C7 113.360
C4 C5 S8 110.491 C4 C5 C12 128.816
C5 S8 C7 90.511 C5 C12 H9 109.926
C5 C12 H10 111.396 C5 C12 H11 111.396
H6 C7 S8 119.960 S8 C5 C12 120.693
H9 C12 H10 108.095 H9 C12 H11 108.095
H10 C12 H11 107.807
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.227      
2 C -0.110      
3 H 0.235      
4 C -0.254      
5 C -0.084      
6 H 0.248      
7 C -0.497      
8 S 0.233      
9 H 0.193      
10 H 0.200      
11 H 0.200      
12 C -0.590      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.343 0.307 0.000 1.377
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.291 -0.526 0.000
y -0.526 -36.684 0.000
z 0.000 0.000 -47.494
Traceless
 xyz
x -1.202 -0.526 0.000
y -0.526 8.708 0.000
z 0.000 0.000 -7.506
Polar
3z2-r2-15.013
x2-y2-6.607
xy-0.526
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.740 0.206 0.000
y 0.206 10.978 0.000
z 0.000 0.000 4.217


<r2> (average value of r2) Å2
<r2> 161.819
(<r2>)1/2 12.721