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All results from a given calculation for C5H6S (Thiophene, 3-methyl-)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-589.244872
Energy at 298.15K-589.251139
Nuclear repulsion energy266.540464
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 mPW1PW91/3-21G
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' 3325 3174 0.95      
2 A' 3316 3166 1.00      
3 A' 3256 3108 1.74      
4 A' 3162 3018 9.63      
5 A' 3071 2931 19.67      
6 A' 1637 1562 1.52      
7 A' 1557 1486 13.60      
8 A' 1510 1441 11.35      
9 A' 1466 1400 2.75      
10 A' 1406 1343 6.07      
11 A' 1286 1227 4.77      
12 A' 1187 1133 2.72      
13 A' 1144 1092 3.68      
14 A' 1053 1006 10.02      
15 A' 958 914 1.99      
16 A' 826 788 24.26      
17 A' 785 750 2.87      
18 A' 658 628 2.20      
19 A' 544 519 1.52      
20 A' 323 308 1.18      
21 A" 3131 2988 13.28      
22 A" 1556 1485 9.74      
23 A" 1108 1058 12.38      
24 A" 957 913 1.60      
25 A" 827 789 90.76      
26 A" 748 714 21.72      
27 A" 621 593 17.04      
28 A" 453 432 0.23      
29 A" 236 225 3.91      
30 A" 121 115 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 21111.8 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 20153.3 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 mPW1PW91/3-21G
ABC
0.22572 0.07987 0.05966

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.215 0.801 0.000
C2 -1.262 0.289 0.000
C3 0.000 0.990 0.000
C4 1.066 0.148 0.000
H5 -1.928 -1.802 0.000
C6 -1.147 -1.061 0.000
S7 0.570 -1.574 0.000
H8 1.146 2.813 0.000
H9 -0.388 2.911 0.887
H10 -0.388 2.911 -0.887
C11 0.101 2.492 0.000
H12 2.112 0.404 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08142.22283.34502.61862.14583.65963.91662.92892.92892.86734.3450
C21.08141.44352.33222.19491.35492.61283.48752.90252.90252.58983.3760
C32.22281.44351.35843.39332.35012.62702.15252.15082.15081.50472.1920
C43.34502.33221.35843.57322.52201.79272.66553.24543.24542.53421.0770
H52.61862.19493.39333.57321.07662.50785.54465.03735.03734.74894.6034
C62.14581.35492.35012.52201.07661.79194.50114.14004.14003.76523.5736
S73.65962.61282.62701.79272.50781.79194.42454.67134.67134.09272.5089
H83.91663.48752.15252.66555.54464.50114.42451.77381.77381.09292.5950
H92.92892.90252.15083.24545.03734.14004.67131.77381.77321.09583.6496
H102.92892.90252.15083.24545.03734.14004.67131.77381.77321.09583.6496
C112.86732.58981.50472.53424.74893.76524.09271.09291.09581.09582.8986
H124.34503.37602.19201.07704.60343.57362.50892.59503.64963.64962.8986

picture of Thiophene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 122.724 H1 C2 C6 123.077
C2 C3 C4 112.647 C2 C3 C11 122.899
C2 C6 H5 128.669 C2 C6 S7 111.505
C3 C2 C6 114.199 C3 C4 S7 112.222
C3 C4 H12 127.949 C3 C11 H8 110.929
C3 C11 H9 110.618 C3 C11 H10 110.618
C4 C3 C11 124.454 C4 S7 C6 89.427
H5 C6 S7 119.826 S7 C4 H12 119.829
H8 C11 H9 108.282 H8 C11 H10 108.282
H9 C11 H10 108.012
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.229      
2 C -0.165      
3 C 0.048      
4 C -0.609      
5 H 0.259      
6 C -0.599      
7 S 0.557      
8 H 0.227      
9 H 0.236      
10 H 0.236      
11 C -0.672      
12 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.543 1.269 0.000 1.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.065 1.937 0.000
y 1.937 -40.321 0.000
z 0.000 0.000 -47.274
Traceless
 xyz
x 5.733 1.937 0.000
y 1.937 2.348 0.000
z 0.000 0.000 -8.081
Polar
3z2-r2-16.161
x2-y22.257
xy1.937
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> 191.032
(<r2>)1/2 13.821