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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-53.644854
Energy at 298.15K-53.654502
Nuclear repulsion energy111.290205
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/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3656 3563 8.83      
2 A 3616 3524 16.52      
3 A 3107 3028 54.49      
4 A 3101 3022 24.88      
5 A 3083 3005 31.04      
6 A 3003 2926 71.17      
7 A 2995 2919 9.27      
8 A 2933 2858 81.65      
9 A 1522 1483 5.29      
10 A 1504 1466 7.55      
11 A 1496 1458 1.79      
12 A 1435 1399 15.83      
13 A 1426 1390 17.31      
14 A 1380 1345 7.87      
15 A 1372 1337 21.82      
16 A 1335 1301 26.94      
17 A 1273 1240 50.51      
18 A 1208 1177 14.84      
19 A 1158 1129 6.81      
20 A 1078 1050 24.02      
21 A 1062 1035 54.10      
22 A 996 970 95.48      
23 A 943 919 9.85      
24 A 907 884 24.40      
25 A 829 808 18.96      
26 A 523 509 196.03      
27 A 495 483 34.69      
28 A 467 455 6.05      
29 A 349 340 10.98      
30 A 285 278 110.92      
31 A 238 232 5.36      
32 A 206 201 0.76      
33 A 136 133 7.31      

Unscaled Zero Point Vibrational Energy (zpe) 24559.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 23932.7 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/CEP-121G
ABC
0.27718 0.11571 0.08949

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.430 1.414 -0.157
H2 0.510 1.703 -0.174
O3 1.977 -0.058 -0.007
H4 2.283 -0.227 0.909
C5 0.700 -0.758 -0.265
H6 0.608 -0.775 -1.355
H7 0.733 -1.789 0.118
C8 -0.472 0.035 0.352
H9 -0.347 0.054 1.452
C10 -1.850 -0.543 -0.006
H11 -1.978 -0.577 -1.095
H12 -1.971 -1.556 0.401
H13 -2.636 0.097 0.409

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.98332.82523.34422.45032.70243.41871.47042.10762.42202.69083.39192.6314
H20.98332.29792.83512.46982.74663.51132.00562.46863.26153.49794.13573.5804
O32.82522.29790.98051.47972.05152.13582.47722.74623.85764.13514.24264.6351
H43.34422.83510.98052.04142.86972.33832.82232.69924.24414.72154.48524.9548
C52.45032.46981.47972.04141.09421.10071.54362.16872.57162.80932.86583.5093
H62.70242.74662.05152.86971.09421.79332.17643.07872.81302.60623.21623.7943
H73.41873.51132.13582.33831.10071.79332.19882.51872.87083.20832.72903.8725
C81.47042.00562.47722.82231.54362.17642.19881.10691.53632.17662.18632.1662
H92.10762.46862.74622.69922.16873.07872.51871.10692.17733.08972.51702.5163
C102.42203.26153.85764.24412.57162.81302.87081.53632.17731.09701.09881.0955
H112.69083.49794.13514.72152.80932.60623.20832.17663.08971.09701.78801.7748
H123.39194.13574.24264.48522.86583.21622.72902.18632.51701.09881.78801.7815
H132.63143.58044.63514.95483.50933.79433.87252.16622.51631.09551.77481.7815

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 108.755 O1 C8 H9 108.909
O1 C8 C10 107.303 H2 O1 C8 108.000
O3 C5 H6 104.707 O3 C5 H7 110.874
O3 C5 C8 110.027 H4 O3 C5 110.503
C5 C8 H9 108.699 C5 C8 C10 113.227
H6 C5 H7 109.583 H6 C5 C8 110.030
H7 C5 C8 111.412 C8 C10 H11 110.377
C8 C10 H12 111.050 C8 C10 H13 109.656
H9 C8 C10 109.861 H11 C10 H12 109.029
H11 C10 H13 108.091 H12 C10 H13 108.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.480      
2 H 0.347      
3 O -0.467      
4 H 0.338      
5 C -0.258      
6 H 0.170      
7 H 0.128      
8 C 0.154      
9 H 0.103      
10 C -0.493      
11 H 0.154      
12 H 0.132      
13 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.485 -2.397 1.836 3.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.798 2.125 3.433
y 2.125 -33.155 0.189
z 3.433 0.189 -30.214
Traceless
 xyz
x -2.113 2.125 3.433
y 2.125 -1.149 0.189
z 3.433 0.189 3.262
Polar
3z2-r26.524
x2-y2-0.643
xy2.125
xz3.433
yz0.189


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.166 0.301 0.198
y 0.301 6.455 -0.178
z 0.198 -0.178 6.110


<r2> (average value of r2) Å2
<r2> 114.857
(<r2>)1/2 10.717