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All results from a given calculation for C4H6S (Thiophene, 2,3-dihydro-)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-551.282100
Energy at 298.15K-551.288708
Nuclear repulsion energy210.137333
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 BLYP/3-21G
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 3183 3165 4.99      
2 A 3122 3105 3.61      
3 A 3107 3090 9.19      
4 A 3040 3023 22.92      
5 A 3000 2983 11.01      
6 A 2948 2932 29.73      
7 A 1597 1589 11.66      
8 A 1501 1493 1.73      
9 A 1488 1480 1.85      
10 A 1314 1307 8.07      
11 A 1307 1300 1.32      
12 A 1272 1265 17.12      
13 A 1190 1184 1.69      
14 A 1143 1136 0.36      
15 A 1125 1119 0.20      
16 A 980 975 2.64      
17 A 957 952 3.34      
18 A 903 898 2.15      
19 A 867 863 4.03      
20 A 826 821 2.57      
21 A 742 738 14.14      
22 A 667 664 62.33      
23 A 630 626 14.66      
24 A 572 569 4.26      
25 A 469 466 0.81      
26 A 386 384 2.69      
27 A 124 123 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 19230.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 19124.4 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 BLYP/3-21G
ABC
0.21603 0.14515 0.09108

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.123 -1.323 0.187
H2 -0.086 -1.614 1.245
H3 0.069 -2.182 -0.465
C4 -1.439 -0.559 -0.160
H5 -2.264 -0.928 0.474
H6 -1.716 -0.738 -1.216
C7 0.098 1.326 0.074
H8 0.481 2.341 0.154
C9 -1.186 0.937 0.052
H10 -2.020 1.638 0.112
S11 1.340 -0.051 -0.076

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09741.09581.56112.19612.20262.66093.71302.50133.51741.9564
H21.09741.80812.21782.41063.07963.17054.14143.02393.95002.4945
H31.09581.80812.23662.81012.41583.55014.58383.40194.39232.5123
C41.56112.21782.23661.10351.10712.44383.49181.53252.28902.8264
H52.19612.41062.81011.10351.78693.28934.27992.19552.60293.7497
H62.20263.07962.41581.10711.78693.03654.02322.16782.73993.3337
C72.66093.17053.55012.44383.28933.03651.08701.34112.14061.8605
H83.71304.14144.58383.49184.27994.02321.08702.18072.59732.5514
C92.50133.02393.40191.53252.19552.16781.34112.18071.09122.7148
H103.51743.95004.39232.28902.60292.73992.14062.59731.09123.7649
S111.95642.49452.51232.82643.74973.33371.86052.55142.71483.7649

picture of Thiophene, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 109.824 C1 C4 H6 110.122
C1 C4 C9 107.906 C1 S11 C7 88.357
H2 C1 H3 111.050 H2 C1 C4 111.887
H2 C1 S11 106.096 H3 C1 C4 113.504
H3 C1 S11 107.412 C4 C1 S11 106.396
C4 C9 C7 116.357 C4 C9 H10 120.553
H5 C4 H6 107.866 H5 C4 C9 111.760
H6 C4 C9 109.364 C7 C9 H10 122.969
H8 C7 C9 127.506 H8 C7 S11 117.478
C9 C7 S11 115.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.551      
2 H 0.224      
3 H 0.218      
4 C -0.389      
5 H 0.197      
6 H 0.204      
7 C -0.450      
8 H 0.202      
9 C -0.109      
10 H 0.176      
11 S 0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.949 -0.368 0.198 1.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.685 0.599 0.098
y 0.599 -33.440 0.138
z 0.098 0.138 -40.196
Traceless
 xyz
x -1.867 0.599 0.098
y 0.599 6.001 0.138
z 0.098 0.138 -4.134
Polar
3z2-r2-8.267
x2-y2-5.245
xy0.599
xz0.098
yz0.138


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> 134.704
(<r2>)1/2 11.606