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

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-269.530466
Energy at 298.15K-269.540200
Nuclear repulsion energy193.059142
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 BLYP/6-311G*
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 3607 3598 4.38      
2 A 3548 3539 22.72      
3 A 3032 3025 31.42      
4 A 3024 3017 65.15      
5 A 3017 3010 4.04      
6 A 2962 2955 26.38      
7 A 2928 2920 59.46      
8 A 2823 2816 94.40      
9 A 1485 1481 2.77      
10 A 1467 1463 6.44      
11 A 1460 1456 2.04      
12 A 1412 1409 44.44      
13 A 1388 1384 36.32      
14 A 1374 1370 13.27      
15 A 1346 1343 2.08      
16 A 1325 1321 40.35      
17 A 1272 1269 38.26      
18 A 1196 1194 16.05      
19 A 1121 1118 10.24      
20 A 1068 1065 17.46      
21 A 1034 1031 39.01      
22 A 977 974 97.30      
23 A 913 911 11.22      
24 A 887 885 15.68      
25 A 814 812 15.47      
26 A 563 561 167.17      
27 A 506 504 8.58      
28 A 473 472 8.35      
29 A 356 356 54.36      
30 A 345 344 30.91      
31 A 244 244 3.51      
32 A 217 216 0.35      
33 A 153 152 4.07      

Unscaled Zero Point Vibrational Energy (zpe) 24167.2 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 24106.8 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 BLYP/6-311G*
ABC
0.28394 0.11783 0.09126

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.417 1.388 -0.158
H2 0.536 1.618 -0.166
O3 1.961 -0.048 -0.001
H4 2.174 -0.129 0.949
C5 0.714 -0.757 -0.232
H6 0.625 -0.820 -1.325
H7 0.755 -1.779 0.184
C8 -0.470 0.041 0.344
H9 -0.365 0.052 1.453
C10 -1.833 -0.549 -0.024
H11 -1.953 -0.587 -1.117
H12 -1.953 -1.565 0.382
H13 -2.637 0.080 0.381

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97982.78223.19932.42592.70643.39451.43852.09292.40352.67993.37252.6325
H20.97982.19902.64152.38242.70123.42251.93892.42563.21363.45844.07763.5678
O32.78222.19900.97621.45222.03332.11792.45712.74453.82654.10514.21484.6151
H43.19932.64150.97621.97952.83682.30732.71782.59494.14444.63744.40624.8483
C52.42592.38241.45221.97951.09881.10491.53992.15832.56392.81512.85403.5079
H62.70642.70122.03332.83681.09881.79322.17433.07562.79412.59673.18073.7896
H73.39453.42252.11792.30731.10491.79322.20002.49382.87253.23162.72323.8726
C81.43851.93892.45712.71781.53992.17432.20001.11391.52972.17392.18622.1670
H92.09292.42562.74452.59492.15833.07562.49381.11392.16733.08742.50672.5117
C102.40353.21363.82654.14442.56392.79412.87251.52972.16731.09981.10071.0985
H112.67993.45844.10514.63742.81512.59673.23162.17393.08741.09981.78971.7768
H123.37254.07764.21484.40622.85403.18072.72322.18622.50671.10071.78971.7817
H132.63253.56784.61514.84833.50793.78963.87262.16702.51171.09851.77681.7817

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 109.029 O1 C8 H9 109.511
O1 C8 C10 108.105 H2 O1 C8 105.012
O3 C5 H6 104.854 O3 C5 H7 111.111
O3 C5 C8 110.374 H4 O3 C5 107.587
C5 C8 H9 107.750 C5 C8 C10 113.287
H6 C5 H7 108.921 H6 C5 C8 109.842
H7 C5 C8 111.516 C8 C10 H11 110.459
C8 C10 H12 111.384 C8 C10 H13 109.993
H9 C8 C10 109.118 H11 C10 H12 108.837
H11 C10 H13 107.853 H12 C10 H13 108.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.535      
2 H 0.364      
3 O -0.523      
4 H 0.366      
5 C -0.225      
6 H 0.202      
7 H 0.178      
8 C 0.015      
9 H 0.148      
10 C -0.586      
11 H 0.199      
12 H 0.187      
13 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.589 -1.697 1.601 2.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.640 2.058 3.054
y 2.058 -33.201 0.133
z 3.054 0.133 -30.381
Traceless
 xyz
x -1.849 2.058 3.054
y 2.058 -1.190 0.133
z 3.054 0.133 3.039
Polar
3z2-r26.079
x2-y2-0.439
xy2.058
xz3.054
yz0.133


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> 135.184
(<r2>)1/2 11.627