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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-269.437234
Energy at 298.15K-269.447143
HF Energy-269.437234
Nuclear repulsion energy195.932703
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 M06-2X/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 3851 3647 43.17      
2 A 3780 3580 52.04      
3 A 3174 3006 14.74      
4 A 3168 3000 26.92      
5 A 3103 2939 60.64      
6 A 3087 2923 14.71      
7 A 3055 2893 44.46      
8 A 3037 2876 36.78      
9 A 1542 1461 5.37      
10 A 1533 1452 1.19      
11 A 1519 1439 8.04      
12 A 1490 1411 21.56      
13 A 1464 1386 6.55      
14 A 1420 1345 1.97      
15 A 1405 1330 62.66      
16 A 1316 1246 66.45      
17 A 1285 1217 3.32      
18 A 1275 1207 40.42      
19 A 1201 1137 43.15      
20 A 1140 1080 64.22      
21 A 1136 1076 14.67      
22 A 1098 1040 63.14      
23 A 967 916 9.67      
24 A 961 910 4.03      
25 A 867 821 6.49      
26 A 537 508 38.22      
27 A 511 484 112.40      
28 A 483 457 21.20      
29 A 375 355 10.20      
30 A 342 324 116.97      
31 A 267 253 3.03      
32 A 233 221 0.37      
33 A 165 157 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 25392.6 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 24046.8 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 M06-2X/6-31G*
ABC
0.29183 0.12292 0.09454

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.791 -0.566 0.030
C2 0.459 0.055 -0.342
C3 -0.712 -0.737 0.208
O4 -1.871 -0.010 -0.157
O5 0.429 1.359 0.190
H6 -0.467 1.690 0.035
H7 -2.635 -0.381 0.300
H8 -0.606 -0.802 1.301
H9 -0.713 -1.755 -0.211
H10 0.353 0.083 -1.439
H11 1.894 -0.610 1.119
H12 1.880 -1.578 -0.378
H13 2.606 0.045 -0.366

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51652.51493.70892.36423.19214.43782.72282.78262.15631.09451.09421.0926
C21.51651.51672.33811.40931.91623.18932.13712.16041.10242.15342.16502.1470
C32.51491.51671.41652.38712.44551.95791.10001.10042.12572.76332.78673.4562
O43.70892.33811.41652.69912.21260.96392.08662.09522.56884.02034.07164.4819
O52.36421.40932.38712.69910.96773.52502.64133.34152.07142.62423.32502.6031
H63.19211.91622.44552.21260.96773.00902.79853.46232.32963.46964.04433.5085
H74.43783.18931.95790.96393.52503.00902.30152.41693.48764.60784.71965.2995
H82.72282.13711.10002.08662.64132.79852.30151.78993.03472.51353.09783.7157
H92.78262.16041.10042.09523.34153.46232.41691.78992.45443.14272.60463.7786
H102.15631.10242.12572.56882.07142.32963.48763.03472.45443.06592.49352.4958
H111.09452.15342.76334.02032.62423.46964.60782.51353.14273.06591.78241.7719
H121.09422.16502.78674.07163.32504.04434.71963.09782.60462.49351.78241.7773
H131.09262.14703.45624.48192.60313.50855.29953.71573.77862.49581.77191.7773

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 52.277 O1 C8 H9 72.846
O1 C8 C10 43.570 H2 O1 C8 51.454
O3 C5 H6 81.860 O3 C5 H7 31.880
O3 C5 C8 24.610 H4 O3 C5 86.445
C5 C8 H9 95.984 C5 C8 C10 42.098
H6 C5 H7 50.843 H6 C5 C8 89.090
H7 C5 C8 40.757 C8 C10 H11 48.659
C8 C10 H12 67.340 C8 C10 H13 83.817
H9 C8 C10 53.976 H11 C10 H12 35.547
H11 C10 H13 35.307 H12 C10 H13 41.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.487      
2 C 0.112      
3 C -0.061      
4 O -0.670      
5 O -0.665      
6 H 0.426      
7 H 0.422      
8 H 0.142      
9 H 0.139      
10 H 0.141      
11 H 0.165      
12 H 0.153      
13 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.523 -2.006 0.544 2.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.650 -0.637 -3.309
y -0.637 -31.854 -0.923
z -3.309 -0.923 -31.611
Traceless
 xyz
x 4.083 -0.637 -3.309
y -0.637 -2.224 -0.923
z -3.309 -0.923 -1.859
Polar
3z2-r2-3.717
x2-y24.205
xy-0.637
xz-3.309
yz-0.923


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.543 -0.171 -0.118
y -0.171 5.733 0.021
z -0.118 0.021 5.254


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