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

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-269.599219
Energy at 298.15K-269.608932
Nuclear repulsion energy194.053726
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 B3LYP/6-31+G**
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 3823 3686 29.20      
2 A 3775 3639 49.20      
3 A 3129 3017 19.49      
4 A 3117 3006 41.27      
5 A 3105 2994 12.54      
6 A 3045 2936 26.96      
7 A 3026 2918 41.39      
8 A 2944 2838 73.11      
9 A 1506 1453 3.29      
10 A 1497 1443 5.31      
11 A 1489 1436 3.11      
12 A 1436 1385 15.66      
13 A 1415 1365 24.37      
14 A 1386 1336 12.18      
15 A 1377 1328 16.05      
16 A 1347 1299 29.89      
17 A 1283 1237 56.17      
18 A 1217 1174 14.71      
19 A 1167 1125 22.51      
20 A 1085 1046 28.59      
21 A 1075 1037 26.96      
22 A 1040 1002 124.02      
23 A 938 904 4.30      
24 A 921 888 19.75      
25 A 846 815 15.49      
26 A 528 509 47.04      
27 A 491 473 122.45      
28 A 477 460 19.54      
29 A 360 347 11.82      
30 A 300 290 82.81      
31 A 247 238 4.35      
32 A 222 214 0.44      
33 A 146 141 5.32      

Unscaled Zero Point Vibrational Energy (zpe) 24879.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 23988.8 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 B3LYP/6-31+G**
ABC
0.28451 0.11900 0.09195

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.458 1.384 -0.156
H2 0.463 1.688 -0.148
O3 1.957 -0.043 0.006
H4 2.218 -0.185 0.926
C5 0.721 -0.726 -0.242
H6 0.628 -0.777 -1.331
H7 0.748 -1.750 0.156
C8 -0.463 0.047 0.340
H9 -0.356 0.067 1.440
C10 -1.802 -0.583 -0.018
H11 -1.925 -0.630 -1.105
H12 -1.882 -1.595 0.392
H13 -2.619 0.020 0.389

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96962.80953.28552.41912.68923.37321.42622.07212.38652.66693.34762.6137
H20.96962.29102.78202.42952.73873.46311.94612.41243.20983.46294.07033.5457
O32.80952.29100.96641.43402.02302.09722.44452.72303.79764.08024.15844.5923
H43.28552.78200.96641.97462.82362.28152.75472.63704.14914.63584.36864.8715
C52.41912.42951.43401.97461.09441.09871.52932.14872.53712.78482.81613.4800
H62.68922.73872.02302.82361.09441.78122.15923.05942.76932.56733.15273.7603
H73.37323.46312.09722.28151.09871.78122.17552.48412.81063.16092.64523.8114
C81.42621.94612.44452.75471.52932.15922.17551.10581.52232.16412.17082.1566
H92.07212.41242.72302.63702.14873.05942.48411.10582.15433.07042.48782.4959
C102.38653.20983.79764.14912.53712.76932.81061.52232.15431.09511.09551.0935
H112.66693.46294.08024.63582.78482.56733.16092.16413.07041.09511.78211.7714
H123.34764.07034.15844.36862.81613.15272.64522.17082.48781.09551.78211.7751
H132.61373.54574.59234.87153.48003.76033.81142.15662.49591.09351.77141.7751

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 109.827 O1 C8 H9 109.195
O1 C8 C10 108.031 H2 O1 C8 107.097
O3 C5 H6 105.494 O3 C5 H7 111.108
O3 C5 C8 111.125 H4 O3 C5 109.145
C5 C8 H9 108.183 C5 C8 C10 112.483
H6 C5 H7 108.613 H6 C5 C8 109.651
H7 C5 C8 110.685 C8 C10 H11 110.478
C8 C10 H12 110.985 C8 C10 H13 109.981
H9 C8 C10 109.078 H11 C10 H12 108.880
H11 C10 H13 108.068 H12 C10 H13 108.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.516     -0.676
2 H 0.360     0.400
3 O -0.563     -0.665
4 H 0.351     0.401
5 C -0.194     0.184
6 H 0.152     0.072
7 H 0.128     -0.005
8 C 0.193     0.405
9 H 0.108     -0.034
10 C -0.483     -0.407
11 H 0.158     0.103
12 H 0.141     0.073
13 H 0.165     0.151


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.427 -1.989 1.664 2.628
CHELPG        
AIM        
ESP 0.406 -1.967 1.639 2.592


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.014 2.033 3.041
y 2.033 -33.166 0.166
z 3.041 0.166 -30.503
Traceless
 xyz
x -2.179 2.033 3.041
y 2.033 -0.908 0.166
z 3.041 0.166 3.087
Polar
3z2-r26.175
x2-y2-0.847
xy2.033
xz3.041
yz0.166


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.575 0.188 0.154
y 0.188 6.884 -0.029
z 0.154 -0.029 6.457


<r2> (average value of r2) Å2
<r2> 134.436
(<r2>)1/2 11.595