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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-268.629205
Energy at 298.15K-268.639231
HF Energy-267.964483
Nuclear repulsion energy195.993503
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3940 3640 35.35      
2 A 3912 3613 58.52      
3 A 3264 3015 20.31      
4 A 3251 3003 47.13      
5 A 3243 2995 8.63      
6 A 3172 2930 24.54      
7 A 3159 2918 32.61      
8 A 3083 2847 72.32      
9 A 1600 1478 2.36      
10 A 1598 1476 1.85      
11 A 1585 1464 6.31      
12 A 1554 1435 21.43      
13 A 1511 1396 32.08      
14 A 1483 1370 9.87      
15 A 1474 1361 28.89      
16 A 1438 1328 47.82      
17 A 1372 1268 64.04      
18 A 1301 1202 19.88      
19 A 1263 1167 17.77      
20 A 1169 1079 41.38      
21 A 1152 1064 12.39      
22 A 1129 1043 112.43      
23 A 1008 931 2.34      
24 A 982 907 19.52      
25 A 906 837 11.93      
26 A 561 518 71.71      
27 A 526 486 127.54      
28 A 503 464 15.95      
29 A 382 353 18.73      
30 A 338 312 82.03      
31 A 266 246 3.73      
32 A 242 224 0.49      
33 A 163 151 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 26263.8 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 24259.8 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 CID/6-31G*
ABC
0.29127 0.12147 0.09411

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.436 1.366 -0.158
H2 0.485 1.647 -0.154
O3 1.932 -0.046 0.010
H4 2.163 -0.171 0.934
C5 0.712 -0.726 -0.244
H6 0.614 -0.765 -1.326
H7 0.740 -1.748 0.138
C8 -0.456 0.047 0.340
H9 -0.345 0.061 1.432
C10 -1.794 -0.564 -0.016
H11 -1.912 -0.599 -1.097
H12 -1.885 -1.573 0.384
H13 -2.598 0.044 0.393

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96292.76213.21042.38742.64683.34221.41002.05922.36382.63083.32082.5932
H20.96292.23312.70212.38492.68433.41731.92072.39143.17793.41744.03363.5174
O32.76212.23310.96031.41912.00992.08182.41252.68633.76184.03824.12734.5467
H43.21042.70210.96031.94942.80382.26872.69432.56674.08814.57294.31834.7960
C52.38742.38491.41911.94941.08721.09221.51752.13232.52192.76212.80273.4575
H62.64682.68432.00992.80381.08721.76832.13993.03492.74892.54163.13363.7314
H73.34223.41732.08182.26871.09221.76832.16702.47552.80193.14322.64213.7974
C81.41001.92072.41252.69431.51752.13992.16701.09851.51292.14492.15992.1423
H92.05922.39142.68632.56672.13233.03492.47551.09852.14203.04812.47802.4816
C102.36383.17793.76184.08812.52192.74892.80191.51292.14201.08841.08931.0870
H112.63083.41744.03824.57292.76212.54163.14322.14493.04811.08841.77271.7616
H123.32084.03364.12734.31832.80273.13362.64212.15992.47801.08931.77271.7671
H132.59323.51744.54674.79603.45753.73143.79742.14232.48161.08701.76161.7671

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 109.223 O1 C8 H9 109.731
O1 C8 C10 107.891 H2 O1 C8 106.563
O3 C5 H6 105.868 O3 C5 H7 111.318
O3 C5 C8 110.429 H4 O3 C5 108.483
C5 C8 H9 108.128 C5 C8 C10 112.652
H6 C5 H7 108.461 H6 C5 C8 109.366
H7 C5 C8 111.222 C8 C10 H11 110.015
C8 C10 H12 111.164 C8 C10 H13 109.886
H9 C8 C10 109.195 H11 C10 H12 108.981
H11 C10 H13 108.148 H12 C10 H13 108.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability