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All results from a given calculation for C3H8O2 (Propylene glycol)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-269.349881
Energy at 298.15K-269.359540
Nuclear repulsion energy194.261219
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 PBEPBE/cc-pVTZ
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 3694 3668 18.00      
2 A 3618 3593 42.98      
3 A 3053 3032 16.96      
4 A 3044 3023 27.61      
5 A 3012 2991 22.78      
6 A 2973 2952 18.56      
7 A 2934 2914 48.07      
8 A 2833 2814 75.64      
9 A 1449 1439 2.11      
10 A 1437 1427 6.03      
11 A 1431 1421 3.82      
12 A 1389 1380 37.76      
13 A 1358 1349 43.39      
14 A 1346 1337 3.21      
15 A 1324 1315 1.52      
16 A 1301 1293 33.41      
17 A 1253 1244 34.91      
18 A 1183 1174 14.25      
19 A 1131 1124 22.97      
20 A 1056 1049 14.21      
21 A 1048 1041 25.16      
22 A 1007 1000 113.30      
23 A 907 901 6.40      
24 A 887 881 15.41      
25 A 824 818 13.73      
26 A 531 527 92.26      
27 A 496 492 41.40      
28 A 466 462 4.81      
29 A 348 346 17.85      
30 A 318 315 59.33      
31 A 239 238 2.76      
32 A 210 208 0.32      
33 A 147 146 4.10      

Unscaled Zero Point Vibrational Energy (zpe) 24122.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 23955.5 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 PBEPBE/cc-pVTZ
ABC
0.28540 0.11982 0.09252

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.421 1.386 -0.154
H2 0.528 1.614 -0.178
O3 1.949 -0.055 -0.005
H4 2.156 -0.121 0.942
C5 0.708 -0.745 -0.225
H6 0.604 -0.819 -1.317
H7 0.732 -1.766 0.196
C8 -0.467 0.050 0.343
H9 -0.368 0.059 1.452
C10 -1.810 -0.556 -0.027
H11 -1.922 -0.597 -1.120
H12 -1.910 -1.573 0.379
H13 -2.626 0.057 0.376

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97642.77803.18042.41282.69623.37481.42702.08472.39162.66823.35532.6287
H20.97642.19872.62952.36642.68823.40681.92612.42503.19393.43214.05113.5609
O32.77802.19870.97181.43722.02862.10932.44352.74003.79264.06444.16454.5923
H43.18042.62950.97181.96182.82862.30022.69622.58184.10614.59414.35394.8187
C52.41282.36641.43721.96181.10001.10451.52782.14832.53262.78142.81083.4811
H62.69622.68822.02862.82861.10001.78942.15883.06372.75012.54323.12493.7511
H73.37483.40682.10932.30021.10451.78942.18092.47332.82413.18412.65513.8252
C81.42701.92612.44352.69621.52782.15882.18091.11331.51912.16192.17142.1590
H92.08472.42502.74002.58182.14833.06372.47331.11332.15503.07512.48762.5006
C102.39163.19393.79264.10612.53262.75012.82411.51912.15501.09911.09931.0975
H112.66823.43214.06444.59412.78142.54323.18412.16193.07511.09911.78841.7785
H123.35534.05114.16454.35392.81083.12492.65512.17142.48761.09931.78841.7806
H132.62873.56094.59234.81873.48113.75113.82522.15902.50061.09751.77851.7806

picture of Propylene glycol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C8 C5 109.438 O1 C8 H9 109.686
O1 C8 C10 108.501 H2 O1 C8 104.975
O3 C5 H6 105.397 O3 C5 H7 111.507
O3 C5 C8 110.963 H4 O3 C5 107.475
C5 C8 H9 107.826 C5 C8 C10 112.445
H6 C5 H7 108.528 H6 C5 C8 109.391
H7 C5 C8 110.866 C8 C10 H11 110.291
C8 C10 H12 111.034 C8 C10 H13 110.155
H9 C8 C10 108.920 H11 C10 H12 108.878
H11 C10 H13 108.115 H12 C10 H13 108.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.326      
2 H 0.191      
3 O -0.322      
4 H 0.200      
5 C 0.000      
6 H 0.084      
7 H 0.054      
8 C 0.094      
9 H 0.028      
10 C -0.279      
11 H 0.091      
12 H 0.082      
13 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.496 -1.559 1.423 2.168
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.043 1.988 2.716
y 1.988 -32.937 0.099
z 2.716 0.099 -30.254
Traceless
 xyz
x -1.447 1.988 2.716
y 1.988 -1.289 0.099
z 2.716 0.099 2.736
Polar
3z2-r25.471
x2-y2-0.106
xy1.988
xz2.716
yz0.099


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.999 0.210 0.148
y 0.210 7.086 -0.042
z 0.148 -0.042 6.658


<r2> (average value of r2) Å2
<r2> 133.415
(<r2>)1/2 11.551