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

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-268.831778
Energy at 298.15K-268.841619
HF Energy-267.995193
Nuclear repulsion energy195.006287
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 MP2=FULL/6-31+G**
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 3873 3638 35.90      
2 A 3818 3586 56.11      
3 A 3236 3039 14.40      
4 A 3224 3028 27.12      
5 A 3209 3014 13.96      
6 A 3125 2935 25.32      
7 A 3116 2926 29.06      
8 A 3051 2865 60.58      
9 A 1548 1454 3.58      
10 A 1541 1447 4.33      
11 A 1533 1440 3.70      
12 A 1477 1387 11.27      
13 A 1452 1364 22.51      
14 A 1414 1328 9.48      
15 A 1401 1315 20.31      
16 A 1371 1287 19.53      
17 A 1308 1228 53.74      
18 A 1247 1171 13.43      
19 A 1201 1128 14.16      
20 A 1114 1046 45.19      
21 A 1102 1035 8.98      
22 A 1066 1001 118.79      
23 A 970 911 4.36      
24 A 943 886 22.78      
25 A 872 819 16.04      
26 A 539 506 46.88      
27 A 506 475 144.19      
28 A 489 459 4.62      
29 A 369 346 11.08      
30 A 298 280 87.53      
31 A 254 238 6.02      
32 A 235 221 0.55      
33 A 156 146 6.66      

Unscaled Zero Point Vibrational Energy (zpe) 25526.6 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 23974.6 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 MP2=FULL/6-31+G**
ABC
0.28739 0.12044 0.09314

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.454 1.377 -0.156
H2 0.469 1.673 -0.139
O3 1.946 -0.039 0.008
H4 2.207 -0.208 0.923
C5 0.710 -0.724 -0.247
H6 0.614 -0.751 -1.331
H7 0.740 -1.747 0.135
C8 -0.459 0.040 0.345
H9 -0.346 0.058 1.438
C10 -1.792 -0.576 -0.018
H11 -1.901 -0.611 -1.100
H12 -1.873 -1.586 0.382
H13 -2.600 0.026 0.390

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96952.79163.27952.40342.65513.35711.42692.07122.37102.63403.32902.5931
H20.96952.26652.77262.41152.70543.44221.93932.39973.19123.42914.04723.5223
O32.79162.26650.96581.43512.01812.09482.42992.70313.77604.04424.13724.5621
H43.27952.77260.96581.96782.81222.26762.73912.61784.12394.59674.33984.8414
C52.40342.41151.43511.96781.08841.09291.51722.13662.51692.74992.79533.4533
H62.65512.70542.01812.81221.08841.77632.14133.03982.74622.52963.13313.7273
H73.35713.44222.09482.26761.09291.77632.16282.47722.79333.12902.62933.7898
C81.42691.93932.42992.73911.51722.14132.16281.09901.51232.14292.15552.1410
H92.07122.39972.70312.61782.13663.03982.47721.09902.14713.05092.47972.4854
C102.37103.19123.77604.12392.51692.74622.79331.51232.14711.08871.08951.0873
H112.63403.42914.04424.59672.74992.52963.12902.14293.05091.08871.77491.7650
H123.32904.04724.13724.33982.79533.13312.62932.15552.47971.08951.77491.7689
H132.59313.52234.56214.84143.45333.72733.78982.14102.48541.08731.76501.7689

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 109.405 O1 C8 H9 109.478
O1 C8 C10 107.512 H2 O1 C8 106.478
O3 C5 H6 105.379 O3 C5 H7 111.197
O3 C5 C8 110.750 H4 O3 C5 108.499
C5 C8 H9 108.450 C5 C8 C10 112.364
H6 C5 H7 109.044 H6 C5 C8 109.427
H7 C5 C8 110.874 C8 C10 H11 109.878
C8 C10 H12 110.839 C8 C10 H13 109.811
H9 C8 C10 109.603 H11 C10 H12 109.141
H11 C10 H13 108.415 H12 C10 H13 108.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability