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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-269.482934
Energy at 298.15K-269.492725
Nuclear repulsion energy193.046228
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/6-31G
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 3629 3491 6.60      
2 A 3579 3443 19.81      
3 A 3148 3028 29.67      
4 A 3144 3024 26.62      
5 A 3129 3011 18.81      
6 A 3055 2939 33.14      
7 A 3047 2931 28.13      
8 A 2958 2845 75.19      
9 A 1546 1488 5.40      
10 A 1535 1477 4.00      
11 A 1527 1469 2.46      
12 A 1459 1403 14.53      
13 A 1452 1396 22.40      
14 A 1402 1348 10.45      
15 A 1393 1340 17.24      
16 A 1364 1312 30.09      
17 A 1310 1260 52.86      
18 A 1234 1187 15.12      
19 A 1174 1130 4.65      
20 A 1100 1059 21.54      
21 A 1073 1032 52.55      
22 A 1001 963 77.50      
23 A 961 924 15.35      
24 A 919 884 25.34      
25 A 845 813 20.63      
26 A 553 532 213.65      
27 A 515 496 10.98      
28 A 482 464 9.34      
29 A 361 347 11.99      
30 A 321 309 104.46      
31 A 249 239 4.79      
32 A 220 212 0.49      
33 A 150 144 6.06      

Unscaled Zero Point Vibrational Energy (zpe) 24917.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 23970.3 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/6-31G
ABC
0.28332 0.11843 0.09157

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.407 1.390 -0.152
H2 0.541 1.646 -0.182
O3 1.954 -0.045 0.000
H4 2.245 -0.170 0.927
C5 0.698 -0.763 -0.237
H6 0.605 -0.810 -1.324
H7 0.740 -1.784 0.164
C8 -0.470 0.028 0.352
H9 -0.366 0.039 1.452
C10 -1.831 -0.540 -0.025
H11 -1.938 -0.574 -1.114
H12 -1.963 -1.551 0.379
H13 -2.622 0.101 0.373

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.98282.76733.26052.42212.69053.39011.45372.09792.40152.66943.36902.6160
H20.98282.21112.72562.41522.70993.45361.98122.46453.22953.45614.09943.5640
O32.76732.21110.97901.46582.03952.12752.45022.73783.81704.08264.21384.5938
H43.26052.72560.97902.02432.85762.33532.78182.67094.20154.67154.46264.9060
C52.42212.41521.46582.02431.09211.09781.52912.15192.54792.78482.84343.4853
H62.69052.70992.03952.85761.09211.78362.16043.06152.77382.56223.16953.7585
H73.39013.45362.12752.33531.09781.78362.18712.49162.86233.20442.72203.8605
C81.45371.98122.45022.78181.52912.16042.18711.10531.52222.16052.17322.1539
H92.09792.46452.73782.67092.15193.06152.49161.10532.15993.07182.49652.5025
C102.40153.22953.81704.20152.54792.77382.86231.52222.15991.09511.09631.0936
H112.66943.45614.08264.67152.78482.56223.20442.16053.07181.09511.78441.7710
H123.36904.09944.21384.46262.84343.16952.72202.17322.49651.09631.78441.7781
H132.61603.56404.59384.90603.48533.75853.86052.15392.50251.09361.77101.7781

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 108.558 O1 C8 H9 109.373
O1 C8 C10 107.583 H2 O1 C8 107.220
O3 C5 H6 104.811 O3 C5 H7 111.369
O3 C5 C8 109.781 H4 O3 C5 110.192
C5 C8 H9 108.469 C5 C8 C10 113.243
H6 C5 H7 109.071 H6 C5 C8 109.898
H7 C5 C8 111.682 C8 C10 H11 110.203
C8 C10 H12 111.149 C8 C10 H13 109.778
H9 C8 C10 109.558 H11 C10 H12 109.031
H11 C10 H13 108.027 H12 C10 H13 108.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.615      
2 H 0.368      
3 O -0.609      
4 H 0.360      
5 C -0.059      
6 H 0.170      
7 H 0.129      
8 C 0.109      
9 H 0.109      
10 C -0.396      
11 H 0.148      
12 H 0.125      
13 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.567 -2.234 1.770 2.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.921 2.097 3.395
y 2.097 -32.677 0.226
z 3.395 0.226 -29.720
Traceless
 xyz
x -1.722 2.097 3.395
y 2.097 -1.357 0.226
z 3.395 0.226 3.079
Polar
3z2-r26.157
x2-y2-0.243
xy2.097
xz3.395
yz0.226


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.398 0.318 0.249
y 0.318 5.748 -0.200
z 0.249 -0.200 5.368


<r2> (average value of r2) Å2
<r2> 134.565
(<r2>)1/2 11.600