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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-269.273406
Energy at 298.15K 
HF Energy-269.020457
Nuclear repulsion energy195.096864
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 B2PLYP=FULLultrafine/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 3757 3564 18.23      
2 A 3709 3519 45.15      
3 A 3176 3013 19.89      
4 A 3164 3002 38.92      
5 A 3153 2991 15.58      
6 A 3088 2929 19.13      
7 A 3064 2907 43.33      
8 A 2970 2817 79.81      
9 A 1552 1472 2.08      
10 A 1543 1464 2.21      
11 A 1536 1457 4.19      
12 A 1488 1412 29.55      
13 A 1454 1379 26.41      
14 A 1428 1355 24.16      
15 A 1417 1344 11.38      
16 A 1385 1314 47.58      
17 A 1328 1260 48.32      
18 A 1253 1189 16.62      
19 A 1200 1139 16.12      
20 A 1114 1057 26.77      
21 A 1106 1049 17.65      
22 A 1065 1011 112.16      
23 A 964 915 3.10      
24 A 944 895 18.90      
25 A 868 823 13.11      
26 A 565 536 157.83      
27 A 527 500 23.02      
28 A 491 465 5.72      
29 A 368 349 29.12      
30 A 349 331 63.80      
31 A 256 243 3.06      
32 A 232 220 0.39      
33 A 158 150 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 25335.4 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 24035.7 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.28925 0.12061 0.09341

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.433 1.372 -0.159
H2 0.497 1.646 -0.127
O3 1.940 -0.046 0.002
H4 2.182 -0.174 0.930
C5 0.715 -0.733 -0.236
H6 0.610 -0.781 -1.322
H7 0.734 -1.760 0.155
C8 -0.461 0.049 0.341
H9 -0.352 0.054 1.441
C10 -1.805 -0.562 -0.020
H11 -1.919 -0.601 -1.106
H12 -1.897 -1.574 0.384
H13 -2.613 0.051 0.386

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96992.76923.22722.39912.66033.35731.41502.07512.37532.64593.33492.6074
H20.96992.22782.69662.39202.70823.42641.92072.39113.19143.44214.04563.5333
O32.76922.22780.96711.42512.01662.10212.42712.70863.78044.05384.14854.5706
H43.22722.69660.96711.95532.81312.28332.71692.59534.11634.59864.34704.8310
C52.39912.39201.42511.95531.09281.09891.52592.13812.53462.77732.81353.4751
H62.66032.70822.01662.81311.09281.77642.14603.04342.75222.54453.13493.7412
H73.35733.42642.10212.28331.09891.77642.17622.47522.81233.15762.64753.8121
C81.41501.92072.42712.71691.52592.14602.17621.10521.51942.15532.16782.1525
H92.07512.39112.70862.59532.13813.04342.47521.10522.15023.06202.48112.4952
C102.37533.19143.78044.11632.53462.75222.81231.51942.15021.09341.09401.0921
H112.64593.44214.05384.59862.77732.54453.15762.15533.06201.09341.78031.7700
H123.33494.04564.14854.34702.81353.13492.64752.16782.48111.09401.78031.7752
H132.60743.53334.57064.83103.47513.74123.81212.15252.49521.09211.77001.7752

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 109.270 O1 C8 H9 110.245
O1 C8 C10 108.028 H2 O1 C8 105.772
O3 C5 H6 105.672 O3 C5 H7 112.138
O3 C5 C8 110.623 H4 O3 C5 108.111
C5 C8 H9 107.633 C5 C8 C10 112.669
H6 C5 H7 108.287 H6 C5 C8 108.944
H7 C5 C8 110.967 C8 C10 H11 110.083
C8 C10 H12 111.049 C8 C10 H13 109.938
H9 C8 C10 108.996 H11 C10 H12 108.957
H11 C10 H13 108.159 H12 C10 H13 108.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability