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

using model chemistry: LSDA/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-627.157378
Energy at 298.15K-627.164534
Nuclear repulsion energy290.141281
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/6-31G(2df,p)
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 3714 3655 45.27      
2 A 3114 3064 10.95      
3 A 3008 2960 2.77      
4 A 2987 2939 7.03      
5 A 2968 2921 25.72      
6 A 2954 2907 34.55      
7 A 1732 1704 103.08      
8 A 1422 1400 10.79      
9 A 1418 1396 11.71      
10 A 1402 1380 2.17      
11 A 1265 1244 78.03      
12 A 1218 1199 7.46      
13 A 1178 1159 17.90      
14 A 1122 1104 124.43      
15 A 1088 1070 0.03      
16 A 1067 1050 3.66      
17 A 1009 993 14.96      
18 A 935 920 0.45      
19 A 894 880 0.03      
20 A 851 837 1.70      
21 A 787 775 5.67      
22 A 749 737 41.52      
23 A 730 718 0.70      
24 A 606 596 0.57      
25 A 490 482 6.96      
26 A 473 465 0.23      
27 A 432 425 86.22      
28 A 375 369 12.27      
29 A 227 223 3.69      
30 A 63 62 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 20138.5 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 19816.3 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 LSDA/6-31G(2df,p)
ABC
0.20294 0.08088 0.05913

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.526 -0.517 -0.000
C2 0.159 -1.170 0.000
C3 1.045 0.021 -0.000
C4 0.462 1.223 -0.000
C5 -1.016 1.234 0.000
O6 2.354 -0.271 -0.000
H7 0.345 -1.798 0.891
H8 1.026 2.161 -0.000
H9 -1.442 1.736 -0.889
H10 0.345 -1.799 -0.889
H11 -1.441 1.735 0.890
H12 2.860 0.561 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.80722.62662.64241.82363.88842.43613.70022.42362.43602.42374.5165
C21.80721.48432.41202.67562.37241.10533.44253.43471.10533.43413.2080
C32.62661.48431.33552.39121.34182.14302.14053.14832.14303.14801.8937
C42.64242.41201.33551.47872.41053.15171.09502.16283.15202.16282.4869
C51.82362.67562.39121.47873.69113.44032.24361.10623.44091.10623.9338
O63.88842.37241.34182.41053.69112.67682.77104.38462.67654.38420.9734
H72.43611.10532.14303.15173.44032.67684.11534.34121.78023.95903.5616
H83.70023.44252.14051.09502.24362.77104.11532.65724.11562.65752.4333
H92.42363.43473.14832.16281.10624.38464.34122.65723.96051.77884.5464
H102.43601.10532.14303.15203.44092.67651.78024.11563.96054.34123.5617
H112.42373.43413.14802.16281.10624.38423.95902.65751.77884.34124.5460
H124.51653.20801.89372.48693.93380.97343.56162.43334.54643.56174.5460

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 105.460 S1 C2 H7 111.233
S1 C2 H10 111.224 S1 C5 C4 105.821
S1 C5 H9 109.167 S1 C5 H11 109.174
C2 S1 C5 94.937 C2 C3 C4 117.512
C2 C3 O6 114.077 C3 C2 H7 110.848
C3 C2 H10 110.850 C3 C4 C5 116.270
C3 C4 H8 123.140 C3 O6 H12 108.716
C4 C3 O6 128.411 C4 C5 H9 112.795
C4 C5 H11 112.794 C5 C4 H8 120.590
H7 C2 H10 107.283 H9 C5 H11 107.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.161      
2 C -0.353      
3 C 0.374      
4 C -0.262      
5 C -0.314      
6 O -0.397      
7 H 0.174      
8 H 0.112      
9 H 0.164      
10 H 0.174      
11 H 0.164      
12 H 0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.120 1.724 0.002 2.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.460 1.330 0.002
y 1.330 -38.549 -0.000
z 0.002 -0.000 -44.114
Traceless
 xyz
x -0.128 1.330 0.002
y 1.330 4.237 -0.000
z 0.002 -0.000 -4.109
Polar
3z2-r2-8.218
x2-y2-2.910
xy1.330
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.649 -0.507 0.000
y -0.507 10.492 -0.000
z 0.000 -0.000 6.175


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