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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-269.277399
Energy at 298.15K-269.287168
Nuclear repulsion energy195.998075
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 HSEh1PBE/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 3836 3648 33.49      
2 A 3754 3570 45.07      
3 A 3170 3015 17.50      
4 A 3157 3002 29.79      
5 A 3077 2926 17.34      
6 A 3072 2922 68.21      
7 A 3024 2876 50.48      
8 A 2997 2850 43.21      
9 A 1536 1461 5.31      
10 A 1530 1455 2.04      
11 A 1516 1441 8.32      
12 A 1485 1412 24.85      
13 A 1459 1387 6.04      
14 A 1417 1347 4.69      
15 A 1404 1335 54.29      
16 A 1315 1250 62.85      
17 A 1282 1219 7.02      
18 A 1273 1210 35.60      
19 A 1192 1134 36.17      
20 A 1133 1077 28.79      
21 A 1121 1066 42.98      
22 A 1089 1035 83.31      
23 A 960 913 4.79      
24 A 958 911 8.51      
25 A 862 820 7.53      
26 A 534 508 43.90      
27 A 507 482 106.84      
28 A 480 457 10.01      
29 A 367 349 10.01      
30 A 272 259 103.26      
31 A 257 245 13.21      
32 A 230 219 0.57      
33 A 157 149 3.50      

Unscaled Zero Point Vibrational Energy (zpe) 25210.2 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 23974.9 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 HSEh1PBE/6-31G*
ABC
0.29224 0.12296 0.09456

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.788 -0.573 0.028
C2 0.459 0.055 -0.338
C3 -0.717 -0.732 0.209
O4 -1.875 -0.007 -0.159
O5 0.440 1.361 0.190
H6 -0.457 1.688 0.037
H7 -2.633 -0.382 0.300
H8 -0.614 -0.798 1.303
H9 -0.718 -1.752 -0.207
H10 0.353 0.081 -1.436
H11 1.899 -0.619 1.117
H12 1.870 -1.585 -0.381
H13 2.606 0.033 -0.372

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51502.51603.71112.36303.18574.43342.72822.77942.15191.09521.09511.0936
C21.51501.51682.34141.40851.90893.18712.13812.16071.10342.15562.16452.1474
C32.51601.51681.41552.39142.43991.95031.10081.10162.12402.77122.78703.4584
O43.71112.34141.41552.71122.21850.96262.08712.09462.56934.03104.07024.4860
O52.36301.40852.39142.71120.96623.53442.64803.34512.07092.62913.32462.6023
H63.18571.90892.43992.21850.96623.01502.79453.45852.32513.46994.03753.5050
H74.43343.18711.95030.96263.53443.01502.29282.40883.48494.61144.71075.2980
H82.72822.13811.10082.08712.64802.79452.29281.78903.03482.52623.10243.7230
H92.77942.16071.10162.09463.34513.45852.40881.78902.45333.14412.59933.7763
H102.15191.10342.12402.56932.07092.32513.48493.03482.45333.06582.48822.4920
H111.09522.15562.77124.03102.62913.46994.61142.52623.14413.06581.78271.7722
H121.09512.16452.78704.07023.32464.03754.71073.10242.59932.48821.78271.7774
H131.09362.14743.45844.48602.60233.50505.29803.72303.77632.49201.77221.7774

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 52.121 O1 C8 H9 72.604
O1 C8 C10 43.446 H2 O1 C8 51.315
O3 C5 H6 81.301 O3 C5 H7 31.540
O3 C5 C8 24.560 H4 O3 C5 86.852
C5 C8 H9 95.921 C5 C8 C10 42.058
H6 C5 H7 50.598 H6 C5 C8 88.472
H7 C5 C8 40.436 C8 C10 H11 48.921
C8 C10 H12 67.515 C8 C10 H13 84.084
H9 C8 C10 53.938 H11 C10 H12 35.554
H11 C10 H13 35.314 H12 C10 H13 41.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.524      
2 C 0.098      
3 C -0.098      
4 O -0.647      
5 O -0.646      
6 H 0.419      
7 H 0.418      
8 H 0.152      
9 H 0.148      
10 H 0.150      
11 H 0.175      
12 H 0.164      
13 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.501 -1.968 0.624 2.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.521 -0.738 -3.425
y -0.738 -31.831 -0.872
z -3.425 -0.872 -31.347
Traceless
 xyz
x 4.068 -0.738 -3.425
y -0.738 -2.397 -0.872
z -3.425 -0.872 -1.671
Polar
3z2-r2-3.343
x2-y24.310
xy-0.738
xz-3.425
yz-0.872


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.625 -0.157 -0.147
y -0.157 5.802 0.019
z -0.147 0.019 5.264


<r2> (average value of r2) Å2
<r2> 130.644
(<r2>)1/2 11.430