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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-590.371265
Energy at 298.15K-590.377812
Nuclear repulsion energy272.875370
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/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 3408 3103 1.98      
2 A 3369 3068 7.05      
3 A 3353 3053 9.67      
4 A 3258 2967 19.34      
5 A 3173 2890 36.90      
6 A 1745 1589 3.58      
7 A 1634 1488 18.35      
8 A 1591 1449 8.68      
9 A 1522 1386 2.03      
10 A 1484 1351 0.39      
11 A 1364 1242 10.19      
12 A 1255 1143 14.14      
13 A 1182 1076 0.64      
14 A 1117 1017 1.23      
15 A 1066 971 1.61      
16 A 907 826 16.87      
17 A 794 723 0.95      
18 A 707 644 4.29      
19 A 584 532 0.69      
20 A 323 294 1.08      
21 A 3234 2945 18.91      
22 A 1576 1435 7.76      
23 A 1144 1042 0.20      
24 A 1017 926 0.03      
25 A 927 844 14.59      
26 A 783 713 85.34      
27 A 606 552 0.04      
28 A 506 461 4.45      
29 A 250 228 3.74      
30 A 131 119 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 22004.7 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 20037.5 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/aug-cc-pVDZ
ABC
0.17702 0.10343 0.06609

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.386 -1.538 0.000
C2 -1.433 -1.032 0.000
H3 -2.122 1.086 0.000
C4 -1.287 0.401 0.000
C5 0.000 0.812 0.000
H6 -0.068 -2.735 0.000
C7 -0.248 -1.674 0.000
S8 1.078 -0.557 0.000
H9 -0.303 2.921 0.000
H10 1.139 2.411 0.882
H11 1.139 2.411 -0.882
C12 0.528 2.218 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.07932.63662.22903.34912.60952.14233.60064.92145.36655.36654.7536
C21.07932.22661.44032.33522.18301.34742.55554.11114.38714.38713.7954
H32.63662.22661.07982.13944.33803.33543.59672.58383.62863.62862.8813
C42.22901.44031.07981.35083.36502.32032.55132.70513.27133.27132.5676
C53.34912.33522.13941.35083.54812.49841.74222.13082.15222.15221.5017
H62.60952.18304.33803.36503.54811.07672.46185.66145.35945.35944.9891
C72.14231.34743.33542.32032.49841.07671.73434.59544.40364.40363.9686
S83.60062.55553.59672.55131.74222.46181.73433.74213.09683.09682.8287
H94.92144.11112.58382.70512.13085.66144.59543.74211.76571.76571.0885
H105.36654.38713.62863.27132.15225.35944.40363.09681.76571.76401.0903
H115.36654.38713.62863.27132.15225.35944.40363.09681.76571.76401.0903
C124.75363.79542.88132.56761.50174.98913.96862.82871.08851.09031.0903

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 123.781 H1 C2 C7 123.584
C2 C4 H3 123.510 C2 C4 C5 113.541
C2 C7 H6 128.109 C2 C7 S8 111.427
H3 C4 C5 122.949 C4 C2 C7 112.635
C4 C5 S8 110.510 C4 C5 C12 128.280
C5 S8 C7 91.887 C5 C12 H9 109.669
C5 C12 H10 111.278 C5 C12 H11 111.278
H6 C7 S8 120.464 S8 C5 C12 121.211
H9 C12 H10 108.267 H9 C12 H11 108.267
H10 C12 H11 107.980
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.323      
2 C 0.100      
3 H -0.461      
4 C 0.677      
5 C -0.553      
6 H -0.360      
7 C 0.054      
8 S 0.528      
9 H -0.119      
10 H 0.057      
11 H 0.057      
12 C 0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.720 0.618 0.000 0.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.101 0.910 0.000
y 0.910 -37.727 0.000
z 0.000 0.000 -47.723
Traceless
 xyz
x 0.624 0.910 0.000
y 0.910 7.185 0.000
z 0.000 0.000 -7.809
Polar
3z2-r2-15.618
x2-y2-4.374
xy0.910
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 177.670
(<r2>)1/2 13.329