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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-53.722989
Energy at 298.15K-53.732713
Nuclear repulsion energy112.394406
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
4/u)
Dep P Dep U
1 A 3767 3651 11.93      
2 A 3727 3613 31.84      
3 A 3104 3009 36.56      
4 A 3095 3001 75.12      
5 A 3088 2993 3.20      
6 A 3022 2930 33.12      
7 A 3003 2911 52.91      
8 A 2919 2830 92.91      
9 A 1511 1465 2.31      
10 A 1498 1452 4.85      
11 A 1493 1447 3.60      
12 A 1446 1402 25.89      
13 A 1418 1375 33.74      
14 A 1394 1351 23.53      
15 A 1381 1338 5.53      
16 A 1350 1309 48.25      
17 A 1291 1251 48.79      
18 A 1218 1180 17.84      
19 A 1160 1124 18.53      
20 A 1085 1051 24.77      
21 A 1069 1036 26.55      
22 A 1031 999 117.83      
23 A 931 902 3.02      
24 A 915 887 19.43      
25 A 837 811 13.79      
26 A 537 521 137.15      
27 A 501 486 46.94      
28 A 472 458 4.77      
29 A 354 343 19.50      
30 A 326 316 74.23      
31 A 243 236 3.89      
32 A 216 210 0.44      
33 A 147 142 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 24772.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 24014.4 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
0.28232 0.11788 0.09117

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 -0.425 1.402 -0.162
H2 0.516 1.650 -0.174
O3 1.962 -0.070 -0.015
H4 2.178 -0.168 0.927
C5 0.705 -0.746 -0.250
H6 0.603 -0.800 -1.340
H7 0.726 -1.770 0.156
C8 -0.466 0.059 0.343
H9 -0.350 0.076 1.446
C10 -1.831 -0.543 -0.009
H11 -1.960 -0.588 -1.098
H12 -1.935 -1.555 0.404
H13 -2.632 0.082 0.403

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97382.80863.22982.42862.70113.38921.43592.08612.40412.68203.36772.6328
H20.97382.25262.69862.40442.71493.44231.94022.41983.21613.46374.07593.5644
O32.80862.25260.97111.44652.03362.10932.45732.73913.82244.10224.19124.6158
H43.22982.69860.97111.97192.83162.29562.71712.59294.13414.62664.37214.8456
C52.42862.40441.44651.97191.09641.10191.53902.15962.55542.80162.83723.4996
H62.70112.71492.03362.83161.09641.78702.17113.07242.78642.58403.17053.7794
H73.38923.44232.10932.29561.10191.78702.19022.49552.84063.19102.68033.8423
C81.43591.94022.45732.71711.53902.17112.19021.10911.53292.17492.18302.1676
H92.08612.41982.73912.59292.15963.07242.49551.10912.16643.08332.50152.5095
C102.40413.21613.82244.13412.55542.78642.84061.53292.16641.09741.09821.0960
H112.68203.46374.10224.62662.80162.58403.19102.17493.08331.09741.78581.7752
H123.36774.07594.19124.37212.83723.17052.68032.18302.50151.09821.78581.7791
H132.63283.56444.61584.84563.49963.77943.84232.16762.50951.09601.77521.7791

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 109.394 O1 C8 H9 109.434
O1 C8 C10 108.110 H2 O1 C8 105.653
O3 C5 H6 105.374 O3 C5 H7 111.003
O3 C5 C8 110.751 H4 O3 C5 107.670
C5 C8 H9 108.180 C5 C8 C10 112.579
H6 C5 H7 108.762 H6 C5 C8 109.800
H7 C5 C8 110.979 C8 C10 H11 110.465
C8 C10 H12 111.060 C8 C10 H13 109.971
H9 C8 C10 109.111 H11 C10 H12 108.849
H11 C10 H13 108.065 H12 C10 H13 108.350
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 -0.570      
2 H 0.406      
3 O -0.548      
4 H 0.400      
5 C -0.235      
6 H 0.165      
7 H 0.141      
8 C 0.203      
9 H 0.107      
10 C -0.569      
11 H 0.165      
12 H 0.151      
13 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.465 -1.816 1.632 2.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.548 2.184 3.051
y 2.184 -32.928 0.132
z 3.051 0.132 -30.048
Traceless
 xyz
x -2.060 2.184 3.051
y 2.184 -1.129 0.132
z 3.051 0.132 3.190
Polar
3z2-r26.380
x2-y2-0.621
xy2.184
xz3.051
yz0.132


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.310 0.235 0.139
y 0.235 6.567 -0.092
z 0.139 -0.092 6.287


<r2> (average value of r2) Å2
<r2> 112.835
(<r2>)1/2 10.622