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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-269.231164
Energy at 298.15K-269.240946
Nuclear repulsion energy194.239045
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3614 3554 8.80      
2 A 3520 3462 43.74      
3 A 3079 3028 17.65      
4 A 3069 3019 29.45      
5 A 3043 2993 23.99      
6 A 2992 2942 18.31      
7 A 2952 2904 52.16      
8 A 2831 2785 91.26      
9 A 1484 1460 1.71      
10 A 1469 1445 4.26      
11 A 1465 1441 5.46      
12 A 1424 1401 46.03      
13 A 1386 1363 44.44      
14 A 1370 1347 9.59      
15 A 1349 1327 5.17      
16 A 1328 1306 51.79      
17 A 1275 1254 28.02      
18 A 1199 1179 14.45      
19 A 1151 1132 22.30      
20 A 1070 1053 22.87      
21 A 1064 1046 11.32      
22 A 1022 1005 107.02      
23 A 921 906 5.74      
24 A 903 888 15.29      
25 A 835 821 11.97      
26 A 591 581 145.59      
27 A 518 510 5.59      
28 A 473 466 8.77      
29 A 364 358 73.85      
30 A 349 343 10.44      
31 A 247 243 2.38      
32 A 220 216 0.26      
33 A 153 151 4.51      

Unscaled Zero Point Vibrational Energy (zpe) 24365.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 23963.0 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 PBEPBEultrafine/6-31G*
ABC
0.28737 0.11992 0.09283

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.386 1.381 -0.156
H2 0.584 1.554 -0.188
O3 1.940 -0.058 -0.011
H4 2.122 -0.090 0.951
C5 0.703 -0.764 -0.216
H6 0.599 -0.853 -1.310
H7 0.735 -1.783 0.220
C8 -0.470 0.050 0.346
H9 -0.377 0.052 1.462
C10 -1.828 -0.529 -0.032
H11 -1.931 -0.575 -1.130
H12 -1.957 -1.544 0.382
H13 -2.635 0.111 0.360

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.98592.73803.11112.40532.70023.37721.42442.09352.39612.67543.36312.6335
H20.98592.11292.52292.32042.65543.36481.91242.42963.19053.42644.04673.5697
O32.73802.11290.98001.43892.02962.11672.43852.74763.79664.06174.18844.5921
H43.11112.52290.98001.95752.83192.30802.66602.55534.09434.58194.36784.7978
C52.40532.32041.43891.95751.10341.10901.53432.15532.54762.79382.83493.4974
H62.70022.65542.02962.83191.10341.79592.16893.07532.76142.55103.14163.7646
H73.37723.36482.11672.30801.10901.79592.19782.47932.86413.22312.70703.8678
C81.42441.91242.43852.66601.53432.16892.19781.11931.52382.16872.18012.1652
H92.09352.42962.74762.55532.15533.07532.47931.11932.16183.08582.49162.5125
C102.39613.19053.79664.09432.54762.76142.86411.52382.16181.10341.10371.1019
H112.67543.42644.06174.58192.79382.55103.22312.16873.08581.10341.79591.7845
H123.36314.04674.18844.36782.83493.14162.70702.18012.49161.10371.79591.7885
H132.63353.56974.59214.79783.49743.76463.86782.16522.51251.10191.78451.7885

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 108.720 O1 C8 H9 110.205
O1 C8 C10 108.685 H2 O1 C8 103.521
O3 C5 H6 105.181 O3 C5 H7 111.707
O3 C5 C8 110.164 H4 O3 C5 106.504
C5 C8 H9 107.598 C5 C8 C10 112.833
H6 C5 H7 108.536 H6 C5 C8 109.544
H7 C5 C8 111.487 C8 C10 H11 110.250
C8 C10 H12 111.139 C8 C10 H13 110.059
H9 C8 C10 108.789 H11 C10 H12 108.919
H11 C10 H13 108.030 H12 C10 H13 108.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.594      
2 H 0.387      
3 O -0.580      
4 H 0.389      
5 C -0.115      
6 H 0.170      
7 H 0.139      
8 C 0.090      
9 H 0.108      
10 C -0.490      
11 H 0.167      
12 H 0.152      
13 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.555 -1.609 1.468 2.247
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.293 2.094 2.896
y 2.094 -32.553 0.185
z 2.896 0.185 -29.633
Traceless
 xyz
x -1.200 2.094 2.896
y 2.094 -1.590 0.185
z 2.896 0.185 2.790
Polar
3z2-r25.579
x2-y20.260
xy2.094
xz2.896
yz0.185


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.805 0.211 0.171
y 0.211 6.075 -0.116
z 0.171 -0.116 5.728


<r2> (average value of r2) Å2
<r2> 132.790
(<r2>)1/2 11.523