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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-592.312479
Energy at 298.15K-592.318683
Nuclear repulsion energy272.515740
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 mPW1PW91/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 3285 3148 0.92      
2 A 3250 3114 4.05      
3 A 3233 3098 6.67      
4 A 3162 3030 8.18      
5 A 3060 2932 30.14      
6 A 1623 1555 3.38      
7 A 1531 1467 9.43      
8 A 1470 1409 7.05      
9 A 1401 1343 0.05      
10 A 1389 1331 1.15      
11 A 1251 1199 11.13      
12 A 1202 1152 10.43      
13 A 1092 1046 2.83      
14 A 1067 1022 4.29      
15 A 990 949 1.49      
16 A 866 830 13.33      
17 A 760 728 0.17      
18 A 685 656 1.85      
19 A 557 533 0.51      
20 A 306 293 0.90      
21 A 3132 3001 10.28      
22 A 1454 1394 8.91      
23 A 1047 1003 1.37      
24 A 916 878 0.20      
25 A 836 801 9.91      
26 A 706 676 60.84      
27 A 579 555 0.13      
28 A 479 459 5.83      
29 A 234 224 2.96      
30 A 101 97 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 20831.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 19962.7 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 mPW1PW91/cc-pVDZ
ABC
0.17581 0.10371 0.06604

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.391 -1.554 0.000
C2 -1.435 -1.033 0.000
H3 -2.145 1.075 0.000
C4 -1.301 0.386 0.000
C5 0.000 0.814 0.000
H6 -0.030 -2.742 0.000
C7 -0.230 -1.674 0.000
S8 1.080 -0.549 0.000
H9 -0.318 2.922 0.000
H10 1.137 2.422 0.887
H11 1.137 2.422 -0.887
C12 0.521 2.213 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08882.64082.22533.36552.64332.16473.61394.93285.38945.38944.7617
C21.08882.22431.42512.33922.21291.36542.56154.10964.39774.39773.7900
H32.64082.22431.08962.16084.36423.35073.61082.59773.65713.65712.8984
C42.22531.42511.08961.36973.37662.32202.55802.71993.29813.29812.5804
C53.36552.33922.16081.36973.55672.49911.73902.13162.15982.15981.4930
H62.64332.21294.36423.37663.55671.08662.45865.67175.36825.36824.9864
C72.16471.36543.35072.32202.49911.08661.72714.59714.40834.40833.9596
S83.61392.56153.61082.55801.73902.45861.72713.74183.10053.10052.8184
H94.93284.10962.59772.71992.13165.67174.59713.74181.77661.77661.0979
H105.38944.39773.65713.29812.15985.36824.40833.10051.77661.77401.1003
H115.38944.39773.65713.29812.15985.36824.40833.10051.77661.77401.1003
C124.76173.79002.89842.58041.49304.98643.95962.81841.09791.10031.1003

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 124.003 H1 C2 C7 123.381
C2 C4 H3 123.838 C2 C4 C5 113.625
C2 C7 H6 128.614 C2 C7 S8 111.311
H3 C4 C5 122.537 C4 C2 C7 112.617
C4 C5 S8 110.173 C4 C5 C12 128.630
C5 S8 C7 92.274 C5 C12 H9 109.780
C5 C12 H10 111.887 C5 C12 H11 111.887
H6 C7 S8 120.075 S8 C5 C12 121.198
H9 C12 H10 107.836 H9 C12 H11 107.836
H10 C12 H11 107.440
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.007      
2 C 0.032      
3 H -0.001      
4 C 0.028      
5 C -0.288      
6 H 0.040      
7 C -0.151      
8 S 0.136      
9 H 0.052      
10 H 0.067      
11 H 0.067      
12 C 0.011      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.354 0.563 0.000 0.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.818 0.689 0.000
y 0.689 -37.015 0.000
z 0.000 0.000 -45.956
Traceless
 xyz
x 0.667 0.689 0.000
y 0.689 6.372 0.000
z 0.000 0.000 -7.039
Polar
3z2-r2-14.078
x2-y2-3.804
xy0.689
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> 177.144
(<r2>)1/2 13.310