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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-268.004627
Energy at 298.15K-268.014676
Nuclear repulsion energy196.349039
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 HF/6-31G(2df,p)
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 4173 3778 47.23      
2 A 4155 3762 67.42      
3 A 3256 2948 33.58      
4 A 3244 2937 75.82      
5 A 3234 2929 4.83      
6 A 3175 2875 38.01      
7 A 3162 2863 34.95      
8 A 3086 2795 78.76      
9 A 1625 1471 2.39      
10 A 1619 1466 1.37      
11 A 1607 1455 7.06      
12 A 1580 1431 14.75      
13 A 1544 1398 36.19      
14 A 1516 1373 4.65      
15 A 1509 1367 28.07      
16 A 1473 1333 52.37      
17 A 1399 1267 70.49      
18 A 1329 1203 20.92      
19 A 1286 1164 24.67      
20 A 1194 1081 67.87      
21 A 1175 1064 8.48      
22 A 1142 1034 97.10      
23 A 1018 921 4.93      
24 A 1001 906 16.67      
25 A 911 825 10.97      
26 A 563 510 24.33      
27 A 516 467 41.03      
28 A 480 435 122.86      
29 A 387 351 16.82      
30 A 328 297 75.52      
31 A 270 244 3.88      
32 A 239 216 0.51      
33 A 159 144 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 26675.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 24154.5 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 HF/6-31G(2df,p)
ABC
0.29104 0.12127 0.09386

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.459 1.365 -0.159
H2 0.427 1.685 -0.149
O3 1.936 -0.047 0.015
H4 2.169 -0.158 0.919
C5 0.726 -0.711 -0.246
H6 0.631 -0.758 -1.325
H7 0.746 -1.730 0.138
C8 -0.454 0.057 0.333
H9 -0.342 0.074 1.422
C10 -1.786 -0.585 -0.012
H11 -1.914 -0.634 -1.089
H12 -1.852 -1.590 0.395
H13 -2.598 0.005 0.397

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.94222.78553.22302.39212.65603.33391.39772.04442.36272.64163.31292.5945
H20.94222.30312.75212.41702.71903.44171.91322.37833.17293.42694.02663.5027
O32.78552.30310.94061.40442.00042.06482.41292.68063.76054.04794.10764.5501
H43.22302.75210.94061.93492.78552.25942.69562.57154.08514.57494.30004.7979
C52.39212.41701.40441.93491.08421.08861.52222.13092.52612.77282.79813.4607
H62.65602.71902.00042.78551.08421.76002.14263.03102.75612.55943.13303.7384
H73.33393.44172.06482.25941.08861.76002.16032.46692.78233.12722.61393.7756
C81.39771.91322.41292.69561.52222.14262.16031.09461.51842.15262.16092.1458
H92.04442.37832.68062.57152.13093.03102.46691.09462.13893.04612.47042.4785
C102.36273.17293.76054.08512.52612.75612.78231.51842.13891.08561.08621.0840
H112.64163.42694.04794.57492.77282.55943.12722.15263.04611.08561.76581.7565
H123.31294.02664.10764.30002.79813.13302.61392.16092.47041.08621.76581.7608
H132.59453.50274.55014.79793.46073.73843.77562.14582.47851.08401.75651.7608

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 109.942 O1 C8 H9 109.627
O1 C8 C10 108.163 H2 O1 C8 108.115
O3 C5 H6 106.286 O3 C5 H7 111.210
O3 C5 C8 111.004 H4 O3 C5 109.615
C5 C8 H9 107.922 C5 C8 C10 112.358
H6 C5 H7 108.197 H6 C5 C8 109.426
H7 C5 C8 110.574 C8 C10 H11 110.405
C8 C10 H12 111.038 C8 C10 H13 109.958
H9 C8 C10 108.801 H11 C10 H12 108.793
H11 C10 H13 108.110 H12 C10 H13 108.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.594      
2 H 0.337      
3 O -0.585      
4 H 0.329      
5 C -0.007      
6 H 0.143      
7 H 0.114      
8 C 0.183      
9 H 0.083      
10 C -0.428      
11 H 0.144      
12 H 0.128      
13 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.514 -1.611 1.547 2.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.065 1.942 2.836
y 1.942 -31.817 0.145
z 2.836 0.145 -29.355
Traceless
 xyz
x -2.479 1.942 2.836
y 1.942 -0.607 0.145
z 2.836 0.145 3.086
Polar
3z2-r26.171
x2-y2-1.248
xy1.942
xz2.836
yz0.145


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.270 0.224 0.150
y 0.224 5.688 -0.052
z 0.150 -0.052 5.466


<r2> (average value of r2) Å2
<r2> 131.409
(<r2>)1/2 11.463