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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-268.934519
Energy at 298.15K-268.944230
HF Energy-268.073747
Nuclear repulsion energy195.570076
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/TZVP
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 3880 3678 45.54      
2 A 3818 3620 51.01      
3 A 3193 3027 15.58      
4 A 3181 3015 26.75      
5 A 3124 2961 41.65      
6 A 3090 2929 17.84      
7 A 3062 2903 44.60      
8 A 3054 2895 26.84      
9 A 1536 1456 5.54      
10 A 1525 1445 2.23      
11 A 1510 1432 5.08      
12 A 1480 1403 7.51      
13 A 1458 1382 8.53      
14 A 1425 1350 3.98      
15 A 1399 1326 33.62      
16 A 1304 1236 44.00      
17 A 1295 1227 6.32      
18 A 1274 1208 29.65      
19 A 1181 1120 20.07      
20 A 1135 1076 39.11      
21 A 1110 1052 28.63      
22 A 1071 1015 101.38      
23 A 969 919 3.92      
24 A 958 908 12.34      
25 A 862 818 10.03      
26 A 527 500 33.24      
27 A 496 471 47.49      
28 A 471 447 75.19      
29 A 370 351 7.59      
30 A 256 243 5.04      
31 A 228 216 66.81      
32 A 220 208 45.11      
33 A 146 139 10.93      

Unscaled Zero Point Vibrational Energy (zpe) 25305.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 23987.0 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/TZVP
ABC
0.28853 0.12243 0.09393

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.774 -0.591 0.028
C2 0.458 0.054 -0.340
C3 -0.716 -0.724 0.213
O4 -1.886 -0.004 -0.159
O5 0.463 1.369 0.188
H6 -0.421 1.720 0.034
H7 -2.638 -0.387 0.299
H8 -0.611 -0.781 1.302
H9 -0.713 -1.738 -0.202
H10 0.352 0.075 -1.433
H11 1.881 -0.635 1.112
H12 1.835 -1.601 -0.378
H13 2.596 -0.002 -0.376

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51162.50063.71142.36333.18784.42542.71132.74882.14451.09051.09051.0887
C21.51161.51332.35141.41651.92063.19202.13042.14531.09772.14752.15412.1395
C32.50061.51331.42302.40192.46871.95341.09541.09562.11872.74992.76193.4408
O43.71142.35141.42302.74252.27100.96042.08832.09322.57654.02554.05524.4874
O52.36331.41652.40192.74250.96383.56522.64853.34442.07672.62323.32032.5979
H63.18781.92062.46872.27100.96383.07032.81073.47862.33613.46594.03673.4986
H74.42543.19201.95340.96043.56523.07032.29532.40443.48664.59874.68455.2918
H82.71132.13041.09542.08832.64852.81072.29531.78593.02342.50423.07933.7028
H92.74882.14531.09562.09323.34443.47862.40441.78592.43643.11062.55833.7411
H102.14451.09772.11872.57652.07672.33613.48663.02342.43643.05282.47432.4817
H111.09052.14752.74994.02552.62323.46594.59872.50423.11063.05281.77641.7680
H121.09052.15412.76194.05523.32034.03674.68453.07932.55832.47431.77641.7709
H131.08872.13953.44084.48742.59793.49865.29183.70283.74112.48171.76801.7709

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 52.311 O1 C8 H9 72.050
O1 C8 C10 43.497 H2 O1 C8 51.545
O3 C5 H6 82.510 O3 C5 H7 31.106
O3 C5 C8 24.429 H4 O3 C5 87.716
C5 C8 H9 95.953 C5 C8 C10 42.312
H6 C5 H7 52.196 H6 C5 C8 89.512
H7 C5 C8 40.046 C8 C10 H11 48.675
C8 C10 H12 67.270 C8 C10 H13 83.922
H9 C8 C10 53.694 H11 C10 H12 35.584
H11 C10 H13 35.391 H12 C10 H13 41.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability