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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-269.597748
Energy at 298.15K-269.607546
HF Energy-269.597748
Nuclear repulsion energy195.070014
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 TPSSh/6-31G(2df,p)
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 3772 3640 17.22      
2 A 3695 3565 47.91      
3 A 3121 3012 23.60      
4 A 3113 3004 35.95      
5 A 3091 2982 24.38      
6 A 3037 2931 22.15      
7 A 3006 2901 49.43      
8 A 2905 2803 81.18      
9 A 1513 1460 1.22      
10 A 1501 1448 2.51      
11 A 1496 1444 3.83      
12 A 1444 1394 37.50      
13 A 1415 1365 33.24      
14 A 1398 1349 13.71      
15 A 1377 1329 1.76      
16 A 1353 1305 48.98      
17 A 1300 1255 33.51      
18 A 1221 1178 14.10      
19 A 1168 1127 20.96      
20 A 1088 1049 15.04      
21 A 1077 1039 19.48      
22 A 1038 1001 112.08      
23 A 935 902 4.28      
24 A 915 883 15.52      
25 A 842 813 11.35      
26 A 567 548 126.25      
27 A 515 497 7.11      
28 A 464 448 7.11      
29 A 355 342 47.33      
30 A 343 331 30.55      
31 A 247 238 2.08      
32 A 214 207 0.26      
33 A 152 146 3.31      

Unscaled Zero Point Vibrational Energy (zpe) 24837.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 23968.4 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 TPSSh/6-31G(2df,p)
ABC
0.28963 0.12076 0.09346

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.377 1.371 -0.158
H2 0.575 1.558 -0.169
O3 1.927 -0.056 -0.019
H4 2.128 -0.077 0.926
C5 0.700 -0.768 -0.205
H6 0.592 -0.874 -1.289
H7 0.738 -1.770 0.245
C8 -0.467 0.049 0.350
H9 -0.380 0.062 1.454
C10 -1.824 -0.522 -0.037
H11 -1.919 -0.572 -1.126
H12 -1.959 -1.526 0.377
H13 -2.623 0.120 0.345

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97052.71383.08952.39532.69473.35801.41912.07652.38572.66313.34422.6193
H20.97052.11032.50622.32902.67723.35761.90582.40513.17783.41664.02873.5437
O32.71382.11030.96611.43062.01592.10262.42472.73963.77994.03554.17334.5675
H43.08952.50620.96611.94782.81042.29372.66102.56654.09174.56444.37034.7897
C52.39532.32901.43061.94781.09471.09951.52892.14652.54172.78352.82543.4830
H62.69472.67722.01592.81041.09471.78262.15903.05732.74442.53493.11603.7411
H73.35803.35762.10262.29371.09951.78262.18522.46402.86463.22182.71143.8576
C81.41911.90582.42472.66101.52892.15902.18521.10771.52212.16192.16962.1566
H92.07652.40512.73962.56652.14653.05732.46401.10772.15633.07092.48502.5025
C102.38573.17783.77994.09172.54172.74442.86461.52212.15631.09481.09501.0934
H112.66313.41664.03554.56442.78352.53493.22182.16193.07091.09481.78151.7720
H123.34424.02874.17334.37032.82543.11602.71142.16962.48501.09501.78151.7757
H132.61933.54374.56754.78973.48303.74113.85762.15662.50251.09341.77201.7757

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 108.631 O1 C8 H9 109.918
O1 C8 C10 108.364 H2 O1 C8 104.213
O3 C5 H6 105.156 O3 C5 H7 111.742
O3 C5 C8 109.982 H4 O3 C5 107.132
C5 C8 H9 107.934 C5 C8 C10 112.829
H6 C5 H7 108.667 H6 C5 C8 109.649
H7 C5 C8 111.435 C8 C10 H11 110.335
C8 C10 H12 110.942 C8 C10 H13 110.002
H9 C8 C10 109.146 H11 C10 H12 108.883
H11 C10 H13 108.146 H12 C10 H13 108.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability