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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-269.452376
Energy at 298.15K-269.462109
HF Energy-269.452376
Nuclear repulsion energy192.951731
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/6-31G*
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 3565 3537 4.93      
2 A 3502 3474 31.27      
3 A 3051 3026 24.96      
4 A 3041 3017 43.90      
5 A 3028 3003 18.45      
6 A 2976 2952 21.51      
7 A 2936 2913 56.08      
8 A 2821 2798 92.72      
9 A 1496 1483 1.51      
10 A 1481 1469 2.94      
11 A 1476 1464 2.29      
12 A 1420 1409 39.68      
13 A 1397 1385 22.63      
14 A 1378 1366 28.08      
15 A 1356 1345 6.06      
16 A 1333 1322 47.63      
17 A 1279 1269 35.25      
18 A 1200 1190 14.00      
19 A 1132 1123 13.52      
20 A 1070 1061 15.00      
21 A 1041 1032 28.98      
22 A 991 983 99.08      
23 A 918 911 9.19      
24 A 895 888 14.68      
25 A 820 814 13.48      
26 A 565 561 145.83      
27 A 509 505 6.83      
28 A 472 468 7.78      
29 A 359 356 66.59      
30 A 347 344 12.91      
31 A 245 243 2.84      
32 A 223 221 0.24      
33 A 152 151 3.76      

Unscaled Zero Point Vibrational Energy (zpe) 24237.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 24040.8 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/6-31G*
ABC
0.28339 0.11790 0.09127

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.453 1.389 -0.160
H2 0.482 1.676 -0.125
O3 1.970 -0.045 0.005
H4 2.211 -0.177 0.942
C5 0.731 -0.733 -0.240
H6 0.632 -0.781 -1.336
H7 0.748 -1.771 0.149
C8 -0.468 0.051 0.339
H9 -0.357 0.054 1.449
C10 -1.822 -0.579 -0.018
H11 -1.948 -0.624 -1.112
H12 -1.906 -1.600 0.391
H13 -2.644 0.027 0.394

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97902.82103.28132.43152.69683.39501.42792.09332.40172.68203.36852.6378
H20.97902.27852.74922.42392.74353.46771.93782.41053.22573.48844.08593.5713
O32.82102.27850.97621.43832.03262.12032.46272.74133.83004.11574.19404.6308
H43.28132.74920.97621.97362.83682.30472.75542.62854.16544.66044.39054.8898
C52.43152.42391.43831.97361.10221.10881.54502.15802.56752.82012.84633.5167
H62.69682.74352.03262.83681.10221.78882.17023.07212.79342.59513.17703.7918
H73.39503.46772.12032.30471.10881.78882.19882.49872.83773.19002.66983.8464
C81.42791.93782.46272.75541.54502.17022.19881.11601.53602.18022.19012.1766
H92.09332.41052.74132.62852.15803.07212.49871.11602.16793.09072.50082.5182
C102.40173.22573.83004.16542.56752.79342.83771.53602.16791.10231.10251.1010
H112.68203.48844.11574.66042.82012.59513.19002.18023.09071.10231.79241.7819
H123.36854.08594.19404.39052.84633.17702.66982.19012.50081.10251.79241.7867
H132.63783.57134.63084.88983.51673.79183.84642.17662.51821.10101.78191.7867

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 109.685 O1 C8 H9 110.142
O1 C8 C10 108.198 H2 O1 C8 105.721
O3 C5 H6 105.513 O3 C5 H7 112.052
O3 C5 C8 111.232 H4 O3 C5 108.122
C5 C8 H9 107.287 C5 C8 C10 112.885
H6 C5 H7 108.004 H6 C5 C8 108.982
H7 C5 C8 110.826 C8 C10 H11 110.375
C8 C10 H12 111.144 C8 C10 H13 110.165
H9 C8 C10 108.631 H11 C10 H12 108.771
H11 C10 H13 107.945 H12 C10 H13 108.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.594      
2 H 0.372      
3 O -0.576      
4 H 0.373      
5 C -0.054      
6 H 0.142      
7 H 0.111      
8 C 0.147      
9 H 0.078      
10 C -0.411      
11 H 0.140      
12 H 0.124      
13 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.515 -1.602 1.466 2.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.626 2.084 2.861
y 2.084 -32.572 0.219
z 2.861 0.219 -29.758
Traceless
 xyz
x -1.461 2.084 2.861
y 2.084 -1.380 0.219
z 2.861 0.219 2.841
Polar
3z2-r25.683
x2-y2-0.054
xy2.084
xz2.861
yz0.219


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.838 0.232 0.189
y 0.232 6.093 -0.119
z 0.189 -0.119 5.721


<r2> (average value of r2) Å2
<r2> 134.671
(<r2>)1/2 11.605