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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-592.411145
Energy at 298.15K-592.417292
HF Energy-592.411145
Nuclear repulsion energy271.957935
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/TZVP
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 3253 3140 0.65      
2 A 3211 3100 5.37      
3 A 3195 3084 7.23      
4 A 3107 2999 13.08      
5 A 3029 2924 32.23      
6 A 1592 1537 2.24      
7 A 1502 1450 2.32      
8 A 1488 1436 17.04      
9 A 1424 1375 0.06      
10 A 1383 1335 0.86      
11 A 1267 1223 12.60      
12 A 1172 1131 11.07      
13 A 1109 1070 2.06      
14 A 1067 1030 3.91      
15 A 995 960 1.95      
16 A 851 821 13.40      
17 A 739 713 1.13      
18 A 658 635 2.59      
19 A 552 533 0.50      
20 A 306 296 0.87      
21 A 3077 2970 14.24      
22 A 1483 1432 9.63      
23 A 1063 1027 0.31      
24 A 908 877 0.22      
25 A 830 802 12.42      
26 A 700 676 75.54      
27 A 568 549 0.34      
28 A 471 455 5.70      
29 A 230 222 3.16      
30 A 94 91 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 20661.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 19946.5 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 B3LYP/TZVP
ABC
0.17463 0.10327 0.06569

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.398 -1.532 0.000
C2 -1.442 -1.028 0.000
H3 -2.136 1.081 0.000
C4 -1.297 0.397 0.000
C5 0.000 0.814 0.000
H6 -0.063 -2.738 0.000
C7 -0.248 -1.676 0.000
S8 1.088 -0.559 0.000
H9 -0.309 2.921 0.000
H10 1.137 2.422 0.882
H11 1.137 2.422 -0.882
C12 0.525 2.219 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08132.62602.22143.35532.62862.15573.61934.91875.37725.37724.7556
C21.08132.21981.43232.33922.19721.35882.57264.10774.39684.39683.7959
H32.62602.21981.08212.15274.34553.34133.61672.59323.64593.64592.8946
C42.22141.43231.08211.36273.36972.32352.56932.71013.28713.28712.5767
C53.35532.33922.15271.36273.55312.50221.75162.12882.15792.15791.4993
H62.62862.19724.34553.36973.55311.07852.46455.66425.37105.37104.9916
C72.15571.35883.34132.32352.50221.07851.74074.59664.41454.41453.9701
S83.61932.57263.61672.56931.75162.46451.74073.74903.10903.10902.8336
H94.91874.10772.59322.71012.12885.66424.59663.74901.76551.76551.0903
H105.37724.39683.64593.28712.15795.37104.41453.10901.76551.76411.0926
H115.37724.39683.64593.28712.15795.37104.41453.10901.76551.76411.0926
C124.75563.79592.89462.57671.49934.99163.97012.83361.09031.09261.0926

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 123.599 H1 C2 C7 123.716
C2 C4 H3 123.379 C2 C4 C5 113.615
C2 C7 H6 128.337 C2 C7 S8 111.605
H3 C4 C5 123.006 C4 C2 C7 112.685
C4 C5 S8 110.561 C4 C5 C12 128.336
C5 S8 C7 91.533 C5 C12 H9 109.571
C5 C12 H10 111.765 C5 C12 H11 111.765
H6 C7 S8 120.058 S8 C5 C12 121.102
H9 C12 H10 107.961 H9 C12 H11 107.961
H10 C12 H11 107.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.123      
2 C -0.165      
3 H 0.123      
4 C -0.097      
5 C -0.113      
6 H 0.162      
7 C -0.206      
8 S 0.121      
9 H 0.135      
10 H 0.136      
11 H 0.136      
12 C -0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.390 0.580 0.000 0.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.789 0.673 0.000
y 0.673 -37.956 0.000
z 0.000 0.000 -46.810
Traceless
 xyz
x 0.595 0.673 0.000
y 0.673 6.343 0.000
z 0.000 0.000 -6.938
Polar
3z2-r2-13.875
x2-y2-3.832
xy0.673
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.212 0.440 0.000
y 0.440 12.716 0.000
z 0.000 0.000 6.653


<r2> (average value of r2) Å2
<r2> 178.359
(<r2>)1/2 13.355