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

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-268.756376
Energy at 298.15K-268.766307
HF Energy-267.962537
Nuclear repulsion energy194.875364
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 CCD/6-31G*
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 3778 3576 20.43      
2 A 3757 3556 43.70      
3 A 3177 3007 17.50      
4 A 3165 2996 32.12      
5 A 3150 2982 16.87      
6 A 3084 2919 17.51      
7 A 3066 2902 34.81      
8 A 2987 2827 66.50      
9 A 1554 1471 2.41      
10 A 1551 1468 2.04      
11 A 1540 1458 6.35      
12 A 1510 1429 27.12      
13 A 1463 1385 31.13      
14 A 1438 1361 22.16      
15 A 1434 1357 12.21      
16 A 1395 1321 47.97      
17 A 1338 1267 49.06      
18 A 1266 1198 16.59      
19 A 1224 1158 14.62      
20 A 1132 1072 32.07      
21 A 1123 1063 9.84      
22 A 1093 1034 106.60      
23 A 979 926 2.24      
24 A 953 902 18.37      
25 A 881 834 11.83      
26 A 552 522 109.53      
27 A 523 495 89.57      
28 A 493 467 5.16      
29 A 373 353 19.39      
30 A 337 319 76.49      
31 A 261 247 3.35      
32 A 235 223 0.44      
33 A 161 153 3.48      

Unscaled Zero Point Vibrational Energy (zpe) 25486.4 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 24122.9 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 CCD/6-31G*
ABC
0.28823 0.12028 0.09322

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.433 1.374 -0.159
H2 0.504 1.638 -0.155
O3 1.942 -0.046 0.009
H4 2.157 -0.166 0.949
C5 0.712 -0.733 -0.245
H6 0.613 -0.768 -1.335
H7 0.741 -1.764 0.138
C8 -0.459 0.044 0.343
H9 -0.346 0.056 1.444
C10 -1.805 -0.561 -0.017
H11 -1.919 -0.593 -1.106
H12 -1.901 -1.577 0.384
H13 -2.611 0.055 0.394

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97352.77283.21052.39942.65813.36381.42162.07682.37562.64063.34032.6047
H20.97352.22092.68412.38142.68163.42281.92742.40453.19073.42764.05083.5361
O32.77282.22090.97101.43172.02372.10022.42612.70323.78214.05614.15384.5702
H43.21052.68410.97101.95832.82192.28452.69372.56184.09684.58474.33364.8050
C52.39942.38141.43171.95831.09531.10041.52312.14362.53262.77182.81693.4739
H62.65812.68162.02372.82191.09531.78262.15023.05342.76132.54813.15093.7494
H73.36383.42282.10022.28451.10041.78262.17992.49072.81993.16142.65993.8223
C81.42161.92742.42612.69371.52312.15022.17991.10721.51832.15312.17002.1521
H92.07682.40452.70322.56182.14363.05342.49071.10722.15433.06562.49192.4958
C102.37563.19073.78214.09682.53262.76132.81991.51832.15431.09591.09681.0946
H112.64063.42764.05614.58472.77182.54813.16142.15313.06561.09591.78591.7746
H123.34034.05084.15384.33362.81693.15092.65992.17002.49191.09681.78591.7803
H132.60473.53614.57024.80503.47393.74943.82232.15212.49581.09461.77461.7803

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 109.092 O1 C8 H9 109.797
O1 C8 C10 107.772 H2 O1 C8 105.649
O3 C5 H6 105.648 O3 C5 H7 111.411
O3 C5 C8 110.348 H4 O3 C5 107.635
C5 C8 H9 108.126 C5 C8 C10 112.757
H6 C5 H7 108.558 H6 C5 C8 109.317
H7 C5 C8 111.364 C8 C10 H11 109.844
C8 C10 H12 111.137 C8 C10 H13 109.844
H9 C8 C10 109.278 H11 C10 H12 109.071
H11 C10 H13 108.216 H12 C10 H13 108.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability