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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-ol)

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-627.182936
Energy at 298.15K-627.190069
Nuclear repulsion energy288.831908
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 LSDA/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 3695 3654 52.19      
2 A 3114 3079 10.84      
3 A 3014 2980 1.53      
4 A 2995 2961 4.63      
5 A 2969 2935 28.48      
6 A 2957 2924 36.17      
7 A 1723 1704 105.39      
8 A 1409 1393 24.58      
9 A 1404 1388 3.71      
10 A 1385 1370 5.76      
11 A 1255 1241 83.95      
12 A 1206 1192 18.36      
13 A 1169 1156 11.75      
14 A 1115 1102 117.41      
15 A 1082 1070 0.00      
16 A 1059 1047 5.55      
17 A 1001 990 14.66      
18 A 926 915 0.22      
19 A 892 882 0.31      
20 A 845 836 0.77      
21 A 777 768 7.21      
22 A 734 726 45.04      
23 A 721 713 0.85      
24 A 601 594 0.43      
25 A 471 466 0.27      
26 A 470 464 0.10      
27 A 425 420 88.99      
28 A 375 370 12.57      
29 A 226 223 3.87      
30 A 65 64 3.34      

Unscaled Zero Point Vibrational Energy (zpe) 20039.1 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 19812.6 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 LSDA/aug-cc-pVDZ
ABC
0.20102 0.08019 0.05861

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.536 -0.519 -0.000
C2 0.162 -1.175 0.000
C3 1.044 0.019 -0.000
C4 0.465 1.229 -0.000
C5 -1.017 1.242 0.000
O6 2.363 -0.273 -0.000
H7 0.349 -1.800 0.898
H8 1.038 2.169 -0.000
H9 -1.439 1.744 -0.895
H10 0.349 -1.801 -0.896
H11 -1.438 1.743 0.896
H12 2.878 0.557 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.82002.63572.65661.83623.90672.44933.72152.43592.44922.43604.5427
C21.82001.48452.42262.68902.37861.10943.45663.44751.10943.44693.2207
C32.63571.48451.34142.39661.35072.14422.15003.15332.14423.15291.9105
C42.65662.42261.34141.48152.42063.16101.10102.16563.16132.16562.5047
C51.83622.68902.39661.48153.70393.45312.25371.11003.45371.11003.9541
O63.90672.37861.35072.42063.70392.68202.77874.39602.68174.39560.9765
H72.44931.10942.14423.16103.45312.68204.12704.35551.79393.96873.5710
H83.72153.45662.15001.10102.25372.77874.12702.66714.12732.66732.4464
H92.43593.44753.15332.16561.11004.39604.35552.66713.97031.79144.5653
H102.44921.10942.14423.16133.45372.68171.79394.12733.97034.35553.5712
H112.43603.44693.15292.16561.11004.39563.96872.66731.79144.35554.5648
H124.54273.22071.91052.50473.95410.97653.57102.44644.56533.57124.5648

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.354 S1 C2 H7 111.132
S1 C2 H10 111.124 S1 C5 C4 105.908
S1 C5 H9 109.039 S1 C5 H11 109.046
C2 S1 C5 94.690 C2 C3 C4 117.931
C2 C3 O6 113.972 C3 C2 H7 110.675
C3 C2 H10 110.677 C3 C4 C5 116.117
C3 C4 H8 123.045 C3 O6 H12 109.301
C4 C3 O6 128.096 C4 C5 H9 112.585
C4 C5 H11 112.585 C5 C4 H8 120.838
H7 C2 H10 107.906 H9 C5 H11 107.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.510      
2 C 0.054      
3 C 0.063      
4 C 0.715      
5 C 0.090      
6 O -0.478      
7 H -0.098      
8 H -0.685      
9 H -0.122      
10 H -0.098      
11 H -0.122      
12 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.800 1.759 0.002 2.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.128 1.647 0.002
y 1.647 -39.596 -0.000
z 0.002 -0.000 -45.467
Traceless
 xyz
x -0.596 1.647 0.002
y 1.647 4.701 -0.000
z 0.002 -0.000 -4.105
Polar
3z2-r2-8.210
x2-y2-3.532
xy1.647
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.475 -0.509 0.005
y -0.509 12.205 -0.003
z 0.005 -0.003 8.113


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000