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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-269.506376
Energy at 298.15K-269.516249
Nuclear repulsion energy196.110994
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 B1B95/6-311G*
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 3818 3660 14.54      
2 A 3755 3600 37.20      
3 A 3143 3013 23.72      
4 A 3134 3004 46.06      
5 A 3121 2992 19.81      
6 A 3058 2931 23.61      
7 A 3034 2909 50.54      
8 A 2936 2814 87.91      
9 A 1515 1453 2.40      
10 A 1501 1439 6.74      
11 A 1495 1433 5.66      
12 A 1462 1401 33.90      
13 A 1421 1362 53.09      
14 A 1405 1346 4.96      
15 A 1389 1332 3.44      
16 A 1361 1304 48.89      
17 A 1300 1246 48.14      
18 A 1234 1182 19.93      
19 A 1189 1140 24.27      
20 A 1104 1058 36.29      
21 A 1095 1050 6.65      
22 A 1069 1025 120.32      
23 A 948 909 4.20      
24 A 927 889 18.19      
25 A 860 824 12.64      
26 A 570 546 175.40      
27 A 521 499 20.66      
28 A 476 456 6.11      
29 A 362 347 41.99      
30 A 344 329 56.75      
31 A 249 239 3.12      
32 A 222 213 0.44      
33 A 162 156 4.64      

Unscaled Zero Point Vibrational Energy (zpe) 25089.0 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 24050.3 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 B1B95/6-311G*
ABC
0.29257 0.12192 0.09447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.404 1.365 -0.156
H2 0.533 1.597 -0.174
O3 1.923 -0.052 0.003
H4 2.144 -0.139 0.935
C5 0.703 -0.742 -0.232
H6 0.605 -0.798 -1.318
H7 0.735 -1.762 0.169
C8 -0.461 0.046 0.341
H9 -0.354 0.057 1.440
C10 -1.804 -0.540 -0.022
H11 -1.920 -0.574 -1.106
H12 -1.920 -1.550 0.378
H13 -2.604 0.081 0.381

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96532.72943.15382.38152.65413.34361.41042.06442.36822.63823.32862.6035
H20.96532.16472.61562.34672.65553.38271.91272.40053.17083.40594.02813.5281
O32.72942.16470.96131.42182.01002.08872.41042.69483.75954.03414.14194.5453
H43.15382.61560.96131.95012.80652.28112.67872.55614.08234.56854.33794.7857
C52.38152.34671.42181.95011.09111.09621.51852.13412.52412.76972.81133.4628
H62.65412.65552.01002.80651.09111.77682.14463.04252.74752.54323.13253.7355
H73.34363.38272.08872.28111.09621.77682.17482.47192.82433.17612.67163.8199
C81.41041.91272.41042.67871.51852.14462.17481.10491.50962.14632.16272.1437
H92.06442.40052.69482.55612.13413.04252.47191.10492.14453.05582.48332.4877
C102.36823.17083.75954.08232.52412.74752.82431.50962.14451.09151.09191.0899
H112.63823.40594.03414.56852.76972.54323.17612.14633.05581.09151.77611.7633
H123.32864.02814.14194.33792.81133.13252.67162.16272.48331.09191.77611.7687
H132.60353.52814.54534.78573.46283.73553.81992.14372.48771.08991.76331.7687

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 108.748 O1 C8 H9 109.717
O1 C8 C10 108.347 H2 O1 C8 105.719
O3 C5 H6 105.478 O3 C5 H7 111.446
O3 C5 C8 110.083 H4 O3 C5 108.278
C5 C8 H9 107.831 C5 C8 C10 112.933
H6 C5 H7 108.649 H6 C5 C8 109.442
H7 C5 C8 111.538 C8 C10 H11 110.176
C8 C10 H12 111.460 C8 C10 H13 110.056
H9 C8 C10 109.237 H11 C10 H12 108.871
H11 C10 H13 107.865 H12 C10 H13 108.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.563      
2 H 0.395      
3 O -0.558      
4 H 0.390      
5 C -0.256      
6 H 0.227      
7 H 0.200      
8 C -0.035      
9 H 0.174      
10 C -0.642      
11 H 0.223      
12 H 0.209      
13 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.614 -1.749 1.639 2.474
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.025 2.064 3.085
y 2.064 -32.598 0.093
z 3.085 0.093 -29.759
Traceless
 xyz
x -1.847 2.064 3.085
y 2.064 -1.205 0.093
z 3.085 0.093 3.052
Polar
3z2-r26.104
x2-y2-0.428
xy2.064
xz3.085
yz0.093


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.859 0.229 0.161
y 0.229 6.121 -0.060
z 0.161 -0.060 5.895


<r2> (average value of r2) Å2
<r2> 131.088
(<r2>)1/2 11.449