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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-268.768164
Energy at 298.15K-268.778119
HF Energy-267.963018
Nuclear repulsion energy195.250740
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 MP3=FULL/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 3808 3574 23.27      
2 A 3780 3547 47.34      
3 A 3202 3005 16.34      
4 A 3189 2993 29.93      
5 A 3173 2977 18.25      
6 A 3109 2917 15.95      
7 A 3090 2899 35.14      
8 A 3009 2823 67.32      
9 A 1562 1466 2.59      
10 A 1559 1463 2.23      
11 A 1548 1452 6.30      
12 A 1516 1422 28.06      
13 A 1470 1379 33.00      
14 A 1445 1356 19.64      
15 A 1440 1351 14.65      
16 A 1401 1315 48.49      
17 A 1344 1261 50.06      
18 A 1271 1192 17.32      
19 A 1230 1154 15.59      
20 A 1138 1068 31.98      
21 A 1127 1058 9.77      
22 A 1099 1031 108.61      
23 A 983 922 2.26      
24 A 957 898 18.37      
25 A 885 831 11.83      
26 A 556 522 116.76      
27 A 526 494 82.59      
28 A 496 465 4.65      
29 A 375 352 19.96      
30 A 338 317 78.04      
31 A 262 246 3.21      
32 A 237 222 0.44      
33 A 162 152 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 25643.0 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 24060.8 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 MP3=FULL/6-31G*
ABC
0.28927 0.12080 0.09361

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.436 1.370 -0.159
H2 0.490 1.654 -0.133
O3 1.937 -0.045 0.008
H4 2.180 -0.189 0.933
C5 0.713 -0.728 -0.243
H6 0.606 -0.763 -1.332
H7 0.730 -1.760 0.136
C8 -0.458 0.048 0.342
H9 -0.345 0.054 1.442
C10 -1.799 -0.565 -0.017
H11 -1.912 -0.599 -1.104
H12 -1.887 -1.579 0.384
H13 -2.606 0.047 0.394

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96982.76843.23592.39442.64813.35401.41452.07502.37052.63583.33172.6013
H20.96982.23582.71812.39542.70063.43341.92482.39553.18993.43394.04663.5287
O32.76842.23580.96731.42412.02002.10142.42002.69673.77154.04474.13734.5606
H43.23592.71810.96731.95602.81662.28172.71372.58694.10744.58954.33264.8224
C52.39442.39541.42411.95601.09391.09951.52212.13782.52712.76592.80673.4677
H62.64812.70062.02002.81661.09391.77842.14273.04342.74792.53403.13473.7352
H73.35403.43342.10142.28171.09951.77842.17352.48022.80133.14152.63493.8031
C81.41451.92482.42002.71371.52212.14272.17351.10541.51692.15062.16602.1490
H92.07502.39552.69672.58692.13783.04342.48021.10542.14993.06022.48242.4927
C102.37053.18993.77154.10742.52712.74792.80131.51692.14991.09421.09491.0928
H112.63583.43394.04474.58952.76592.53403.14152.15063.06021.09421.78301.7724
H123.33174.04664.13734.33262.80673.13472.63492.16602.48241.09491.78301.7781
H132.60133.52874.56064.82243.46773.73523.80312.14902.49271.09281.77241.7781

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 109.191 O1 C8 H9 110.262
O1 C8 C10 107.882 H2 O1 C8 106.164
O3 C5 H6 105.941 O3 C5 H7 112.105
O3 C5 C8 110.400 H4 O3 C5 108.240
C5 C8 H9 107.847 C5 C8 C10 112.522
H6 C5 H7 108.341 H6 C5 C8 108.886
H7 C5 C8 110.974 C8 C10 H11 109.849
C8 C10 H12 111.029 C8 C10 H13 109.802
H9 C8 C10 109.139 H11 C10 H12 109.084
H11 C10 H13 108.281 H12 C10 H13 108.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability