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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-268.407329
Energy at 298.15K-268.416943
HF Energy-267.904142
Nuclear repulsion energy189.466166
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/LANL2DZ
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 3634 3499 8.33      
2 A 3629 3495 24.32      
3 A 3147 3031 60.66      
4 A 3142 3026 34.29      
5 A 3133 3017 5.55      
6 A 3110 2996 15.52      
7 A 3017 2906 56.25      
8 A 3014 2902 31.68      
9 A 1539 1482 11.14      
10 A 1538 1482 4.77      
11 A 1531 1475 2.92      
12 A 1460 1407 20.91      
13 A 1435 1383 9.57      
14 A 1415 1363 22.89      
15 A 1381 1330 33.34      
16 A 1342 1292 5.30      
17 A 1301 1253 8.84      
18 A 1199 1155 32.59      
19 A 1178 1134 27.27      
20 A 1096 1055 2.65      
21 A 1065 1026 76.62      
22 A 1000 963 71.77      
23 A 955 920 9.51      
24 A 910 876 19.09      
25 A 793 764 43.08      
26 A 507 488 76.17      
27 A 483 465 194.07      
28 A 458 441 6.10      
29 A 355 342 6.91      
30 A 309 298 84.45      
31 A 239 231 5.55      
32 A 227 219 1.57      
33 A 130 125 12.64      

Unscaled Zero Point Vibrational Energy (zpe) 24835.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 23918.8 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 MP2/LANL2DZ
ABC
0.26203 0.11511 0.08769

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.370 1.448 0.060
H2 0.725 1.560 0.973
O3 -2.031 -0.127 -0.130
H4 -1.934 0.853 -0.055
C5 -0.750 -0.751 0.272
H6 -0.655 -0.759 1.378
H7 -0.806 -1.787 -0.098
C8 0.450 0.003 -0.355
H9 0.312 0.061 -1.446
C10 1.824 -0.616 0.005
H11 1.963 -0.653 1.103
H12 1.897 -1.647 -0.384
H13 2.636 -0.014 -0.436

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.98672.87822.38302.47702.76743.44511.50492.04752.52442.83533.47922.7418
H20.98673.41502.93792.82982.72843.83272.06472.87572.62212.53853.67412.8487
O32.87823.41500.98741.48112.13752.06332.49512.69353.88814.21354.21944.6789
H42.38302.93790.98742.02052.50762.87072.54892.75754.03504.33574.58624.6676
C52.47702.82981.48112.02051.10981.10101.55022.17662.59082.83912.87003.5369
H62.76742.72842.13752.50761.10981.80482.19223.09502.83662.63433.22543.8307
H73.44513.83272.06332.87071.10101.80482.20172.54522.88013.22412.72093.8861
C81.50492.06472.49512.54891.55022.19222.20171.10081.54902.20162.19482.1876
H92.04752.87572.69352.75752.17663.09502.54521.10082.20233.12022.56082.5358
C102.52442.62213.88814.03502.59082.83662.88011.54902.20231.10751.10511.1029
H112.83532.53854.21354.33572.83912.63433.22412.20163.12021.10751.79061.7971
H123.47923.67414.21944.58622.87003.22542.72092.19482.56081.10511.79061.7933
H132.74182.84874.67894.66763.53693.83073.88612.18762.53581.10291.79711.7933

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 108.333 O1 C8 H9 102.479
O1 C8 C10 111.498 H2 O1 C8 110.184
O3 C5 H6 110.353 O3 C5 H7 105.127
O3 C5 C8 110.777 H4 O3 C5 108.204
C5 C8 H9 109.203 C5 C8 C10 113.428
H6 C5 H7 109.440 H6 C5 C8 109.896
H7 C5 C8 111.154 C8 C10 H11 110.846
C8 C10 H12 110.457 C8 C10 H13 110.016
H9 C8 C10 111.301 H11 C10 H12 108.054
H11 C10 H13 108.786 H12 C10 H13 108.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability