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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-269.254799
Energy at 298.15K-269.264610
Nuclear repulsion energy194.217124
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 PBEPBE/cc-pVDZ
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 3613 3593 8.16      
2 A 3543 3522 51.55      
3 A 3068 3050 14.30      
4 A 3042 3024 31.69      
5 A 2997 2979 34.22      
6 A 2985 2968 20.92      
7 A 2961 2944 14.51      
8 A 2823 2807 89.20      
9 A 1431 1422 7.27      
10 A 1417 1409 3.58      
11 A 1415 1407 26.07      
12 A 1400 1392 55.78      
13 A 1372 1364 45.39      
14 A 1337 1329 8.57      
15 A 1325 1317 4.98      
16 A 1263 1256 10.70      
17 A 1252 1245 2.98      
18 A 1168 1161 15.79      
19 A 1124 1118 24.10      
20 A 1082 1075 9.12      
21 A 1073 1067 126.17      
22 A 1032 1026 42.71      
23 A 894 889 8.57      
24 A 890 885 2.56      
25 A 811 807 23.20      
26 A 582 578 141.51      
27 A 517 514 4.78      
28 A 450 447 3.43      
29 A 385 383 49.14      
30 A 346 344 7.28      
31 A 250 248 4.38      
32 A 232 230 0.40      
33 A 155 154 7.85      

Unscaled Zero Point Vibrational Energy (zpe) 24115.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 23975.8 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 PBEPBE/cc-pVDZ
ABC
0.27849 0.12183 0.09293

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.299 1.400 0.051
H2 0.512 1.421 1.008
O3 -1.960 -0.118 -0.094
H4 -1.728 0.834 0.003
C5 -0.741 -0.771 0.207
H6 -0.590 -0.895 1.315
H7 -0.779 -1.792 -0.231
C8 0.446 0.020 -0.356
H9 0.345 0.062 -1.462
C10 1.805 -0.548 0.032
H11 1.913 -0.598 1.138
H12 1.937 -1.577 -0.361
H13 2.622 0.085 -0.366

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.98082.72562.10512.41202.76643.38041.44592.02032.46212.78863.42262.7017
H20.98083.11442.52522.64972.58383.67791.95672.82452.54992.46093.59092.8503
O32.72563.11440.98501.41542.11352.05372.42492.68633.79214.09254.17054.5949
H42.10512.52520.98501.89562.45122.80252.34962.65313.79424.07394.40274.4297
C52.41202.64971.41541.89561.12531.11121.53382.15762.56202.81782.85433.5173
H62.76642.58382.11352.45121.12531.79642.16863.08172.73892.52633.10823.7551
H73.38043.67792.05372.80251.11121.79642.19102.49272.87973.24652.72783.8866
C81.44591.95672.42492.34961.53382.16862.19101.11121.52292.18252.18482.1766
H92.02032.82452.68632.65312.15763.08172.49271.11122.17613.10662.53612.5274
C102.46212.54993.79213.79422.56202.73892.87971.52292.17611.11211.10941.1073
H112.78862.46094.09254.07392.81782.52633.24652.18253.10661.11211.79031.7975
H123.42263.59094.17054.40272.85433.10822.72782.18482.53611.10941.79031.7972
H132.70172.85034.59494.42973.51733.75513.88662.17662.52741.10731.79751.7972

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 108.054 O1 C8 H9 103.611
O1 C8 C10 112.033 H2 O1 C8 105.881
O3 C5 H6 112.075 O3 C5 H7 108.145
O3 C5 C8 110.554 H4 O3 C5 102.841
C5 C8 H9 108.256 C5 C8 C10 113.889
H6 C5 H7 106.876 H6 C5 C8 108.300
H7 C5 C8 110.845 C8 C10 H11 110.880
C8 C10 H12 111.229 C8 C10 H13 110.699
H9 C8 C10 110.428 H11 C10 H12 107.394
H11 C10 H13 108.169 H12 C10 H13 108.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.247      
2 H 0.140      
3 O -0.247      
4 H 0.127      
5 C 0.140      
6 H -0.010      
7 H 0.024      
8 C -0.029      
9 H 0.027      
10 C -0.029      
11 H 0.024      
12 H 0.038      
13 H 0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.023 -0.207 1.090 2.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.587 -1.877 0.042
y -1.877 -31.486 2.259
z 0.042 2.259 -29.766
Traceless
 xyz
x -4.961 -1.877 0.042
y -1.877 1.190 2.259
z 0.042 2.259 3.771
Polar
3z2-r27.542
x2-y2-4.101
xy-1.877
xz0.042
yz2.259


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.060 -0.197 0.113
y -0.197 6.505 0.080
z 0.113 0.080 6.051


<r2> (average value of r2) Å2
<r2> 132.619
(<r2>)1/2 11.516