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

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-268.004778
Energy at 298.15K-268.014784
HF Energy-268.004778
Nuclear repulsion energy194.439709
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 wB97X-D/3-21G*
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 3601 3413 5.59      
2 A 3493 3310 43.05      
3 A 3181 3015 24.40      
4 A 3177 3011 21.20      
5 A 3169 3004 8.75      
6 A 3094 2932 31.39      
7 A 3090 2929 14.09      
8 A 2995 2839 70.13      
9 A 1575 1492 7.68      
10 A 1558 1477 7.26      
11 A 1551 1470 4.97      
12 A 1487 1410 65.42      
13 A 1470 1394 21.07      
14 A 1422 1347 13.63      
15 A 1405 1332 19.40      
16 A 1395 1323 42.35      
17 A 1351 1280 28.49      
18 A 1252 1187 18.11      
19 A 1188 1126 7.05      
20 A 1121 1062 18.52      
21 A 1080 1023 41.75      
22 A 1028 974 70.22      
23 A 968 918 11.20      
24 A 938 889 16.84      
25 A 860 815 13.10      
26 A 677 641 174.66      
27 A 531 503 13.59      
28 A 479 454 19.02      
29 A 385 365 99.04      
30 A 366 347 12.13      
31 A 268 254 3.66      
32 A 221 210 0.41      
33 A 154 146 5.63      

Unscaled Zero Point Vibrational Energy (zpe) 25263.3 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 23944.6 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 wB97X-D/3-21G*
ABC
0.28797 0.12150 0.09387

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.335 1.383 -0.155
H2 0.638 1.560 -0.188
O3 1.920 -0.069 -0.015
H4 2.169 -0.116 0.938
C5 0.670 -0.790 -0.217
H6 0.539 -0.847 -1.299
H7 0.673 -1.808 0.196
C8 -0.469 0.042 0.362
H9 -0.375 0.023 1.464
C10 -1.835 -0.495 -0.036
H11 -1.916 -0.512 -1.126
H12 -1.992 -1.505 0.357
H13 -2.614 0.163 0.355

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.99022.68623.11612.39512.65473.36441.44302.11452.40642.65213.36852.6345
H20.99022.08062.53362.35082.65363.39021.95802.47353.21973.42064.07593.5813
O32.68622.08060.98551.45712.04072.15042.42172.73203.77974.01874.18424.5557
H43.11612.53360.98552.00852.86302.37742.70482.60144.13824.59414.42524.8268
C52.39512.35081.45712.00851.09191.09851.52532.14012.52922.75572.81593.4677
H62.65472.65362.04072.86301.09191.78262.13733.03802.71222.48363.09543.7013
H73.36443.39022.15042.37741.09851.78262.18042.46122.84003.18282.68673.8361
C81.44301.95802.42172.70481.52532.13732.18041.10621.52092.14882.17122.1486
H92.11452.47352.73202.60142.14013.03802.46121.10622.15673.06182.48552.5033
C102.40643.21973.77974.13822.52922.71222.84001.52092.15671.09401.09491.0925
H112.65213.42064.01874.59412.75572.48363.18282.14883.06181.09401.78691.7716
H123.36854.07594.18424.42522.81593.09542.68672.17122.48551.09491.78691.7809
H132.63453.58134.55574.82683.46773.70133.83612.14862.50331.09251.77161.7809

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 107.551 O1 C8 H9 111.406
O1 C8 C10 108.537 H2 O1 C8 105.652
O3 C5 H6 105.475 O3 C5 H7 113.849
O3 C5 C8 108.559 H4 O3 C5 109.099
C5 C8 H9 107.765 C5 C8 C10 112.255
H6 C5 H7 108.948 H6 C5 C8 108.361
H7 C5 C8 111.363 C8 C10 H11 109.436
C8 C10 H12 111.159 C8 C10 H13 109.510
H9 C8 C10 109.344 H11 C10 H12 109.442
H11 C10 H13 108.235 H12 C10 H13 109.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.593      
2 H 0.356      
3 O -0.569      
4 H 0.360      
5 C -0.205      
6 H 0.245      
7 H 0.198      
8 C -0.015      
9 H 0.179      
10 C -0.609      
11 H 0.221      
12 H 0.195      
13 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.675 -2.196 1.664 2.836
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.772 1.978 3.358
y 1.978 -32.833 0.118
z 3.358 0.118 -29.212
Traceless
 xyz
x -0.749 1.978 3.358
y 1.978 -2.341 0.118
z 3.358 0.118 3.090
Polar
3z2-r26.181
x2-y21.061
xy1.978
xz3.358
yz0.118


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.912 0.281 0.190
y 0.281 5.266 -0.183
z 0.190 -0.183 5.063


<r2> (average value of r2) Å2
<r2> 131.599
(<r2>)1/2 11.472