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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-269.579971
Energy at 298.15K 
Nuclear repulsion energy193.009347
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/cc-pVTZ
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 3657 3646 15.63      
2 A 3602 3591 35.12      
3 A 3032 3023 22.44      
4 A 3023 3014 38.45      
5 A 3005 2996 19.23      
6 A 2964 2955 22.71      
7 A 2929 2921 48.20      
8 A 2836 2827 74.17      
9 A 1468 1463 2.33      
10 A 1455 1451 4.99      
11 A 1449 1445 1.61      
12 A 1389 1384 32.07      
13 A 1374 1370 18.83      
14 A 1356 1352 22.77      
15 A 1335 1331 1.71      
16 A 1313 1309 30.18      
17 A 1260 1256 42.67      
18 A 1187 1184 13.95      
19 A 1114 1111 11.87      
20 A 1059 1056 15.13      
21 A 1022 1019 33.92      
22 A 973 970 106.13      
23 A 907 904 10.23      
24 A 880 878 15.29      
25 A 809 807 16.34      
26 A 514 513 65.53      
27 A 483 481 74.04      
28 A 467 466 4.18      
29 A 349 348 13.20      
30 A 309 309 60.46      
31 A 240 239 3.28      
32 A 210 210 0.35      
33 A 143 143 3.71      

Unscaled Zero Point Vibrational Energy (zpe) 24056.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 23984.5 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 BLYP/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.444 1.395 -0.156
H2 0.497 1.658 -0.161
O3 1.969 -0.048 -0.000
H4 2.191 -0.141 0.942
C5 0.718 -0.743 -0.234
H6 0.624 -0.806 -1.325
H7 0.748 -1.764 0.178
C8 -0.469 0.044 0.343
H9 -0.366 0.058 1.447
C10 -1.819 -0.572 -0.023
H11 -1.939 -0.612 -1.113
H12 -1.910 -1.587 0.382
H13 -2.632 0.037 0.387

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97642.81573.24202.43422.71123.39281.44022.08922.40322.67963.36682.6322
H20.97642.25892.70652.41162.72763.44741.94632.42663.21693.46274.07653.5659
O32.81572.25890.97301.45042.03412.11352.46352.74913.82394.10224.19144.6184
H43.24202.70650.97301.97902.83492.30192.73292.61394.14694.63704.38514.8587
C52.43422.41161.45041.97901.09681.10151.53592.15402.55082.80112.82853.4950
H62.71122.72762.03412.83491.09681.78652.16743.06742.77792.57893.15433.7741
H73.39283.44742.11352.30191.10151.78652.18562.48382.83753.19562.67253.8360
C81.44021.94632.46352.73291.53592.16742.18561.10921.52832.17062.17782.1642
H92.08922.42662.74912.61392.15403.06742.48381.10922.16073.07842.49522.5024
C102.40323.21693.82394.14692.55082.77792.83751.52832.16071.09701.09751.0956
H112.67963.46274.10224.63702.80112.57893.19562.17063.07841.09701.78501.7752
H123.36684.07654.19144.38512.82853.15432.67252.17782.49521.09751.78501.7774
H132.63223.56594.61844.85873.49503.77413.83602.16422.50241.09561.77521.7774

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 109.710 O1 C8 H9 109.384
O1 C8 C10 108.068 H2 O1 C8 105.688
O3 C5 H6 105.145 O3 C5 H7 111.101
O3 C5 C8 111.129 H4 O3 C5 107.872
C5 C8 H9 107.960 C5 C8 C10 112.701
H6 C5 H7 108.721 H6 C5 C8 109.699
H7 C5 C8 110.860 C8 C10 H11 110.461
C8 C10 H12 111.001 C8 C10 H13 110.038
H9 C8 C10 108.979 H11 C10 H12 108.857
H11 C10 H13 108.124 H12 C10 H13 108.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.349      
2 H 0.190      
3 O -0.342      
4 H 0.197      
5 C 0.011      
6 H 0.083      
7 H 0.054      
8 C 0.135      
9 H 0.030      
10 C -0.268      
11 H 0.085      
12 H 0.075      
13 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.465 -1.617 1.448 2.220
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.511 1.939 2.728
y 1.939 -33.074 0.125
z 2.728 0.125 -30.494
Traceless
 xyz
x -1.727 1.939 2.728
y 1.939 -1.071 0.125
z 2.728 0.125 2.798
Polar
3z2-r25.596
x2-y2-0.438
xy1.939
xz2.728
yz0.125


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 135.385
(<r2>)1/2 11.636