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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-269.549916
Energy at 298.15K-269.559671
Nuclear repulsion energy195.057220
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 mPW1PW91/aug-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 3844 3683 20.20      
2 A 3816 3657 49.75      
3 A 3157 3025 17.29      
4 A 3133 3002 44.01      
5 A 3111 2981 19.21      
6 A 3094 2965 14.14      
7 A 3049 2922 16.70      
8 A 2981 2857 63.56      
9 A 1487 1425 3.52      
10 A 1475 1414 7.10      
11 A 1471 1410 6.21      
12 A 1434 1374 33.26      
13 A 1417 1358 54.53      
14 A 1390 1332 11.20      
15 A 1371 1314 10.32      
16 A 1312 1258 2.69      
17 A 1289 1235 8.39      
18 A 1208 1157 19.02      
19 A 1176 1127 37.51      
20 A 1121 1074 35.36      
21 A 1114 1067 109.37      
22 A 1065 1021 50.51      
23 A 931 892 6.11      
24 A 921 882 2.95      
25 A 842 807 23.43      
26 A 537 515 47.34      
27 A 482 462 116.32      
28 A 460 441 2.17      
29 A 373 357 16.17      
30 A 313 300 48.65      
31 A 247 237 1.74      
32 A 220 211 0.25      
33 A 140 134 8.65      

Unscaled Zero Point Vibrational Energy (zpe) 24989.1 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 23947.1 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 mPW1PW91/aug-cc-pVDZ
ABC
0.27946 0.12205 0.09313

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.355 1.399 0.054
H2 0.626 1.459 0.976
O3 -1.968 -0.120 -0.110
H4 -1.829 0.830 -0.011
C5 -0.744 -0.733 0.230
H6 -0.630 -0.803 1.329
H7 -0.771 -1.755 -0.168
C8 0.440 0.028 -0.348
H9 0.329 0.063 -1.440
C10 1.775 -0.591 0.020
H11 1.904 -0.630 1.112
H12 1.848 -1.617 -0.361
H13 2.598 -0.006 -0.404

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96322.78052.25802.40502.72893.35671.43042.00372.44432.76343.39042.6859
H20.96323.22472.71932.69042.61153.68701.95802.80592.53712.45343.57022.8185
O32.78053.22470.96501.40952.07992.02712.42412.66043.77444.09204.10624.5771
H42.25802.71930.96501.91692.42882.79752.42962.69903.87374.16264.43004.5225
C52.40502.69041.40951.91691.10721.09781.52182.13852.53212.79362.80193.4793
H62.72892.61152.07992.42881.10721.77962.15573.05532.74592.54913.10753.7498
H73.35673.68702.02712.79751.09781.77962.16372.47682.80613.17202.62953.8040
C81.43041.95802.42412.42961.52182.15572.16371.09831.51682.16972.16542.1593
H92.00372.80592.66042.69902.13853.05532.47681.09832.15653.07792.50842.4954
C102.44432.53713.77443.87372.53212.74592.80611.51682.15651.09991.09751.0957
H112.76342.45344.09204.16262.79362.54913.17202.16973.07791.09991.77431.7807
H123.39043.57024.10624.43002.80193.10752.62952.16542.50841.09751.77431.7781
H132.68592.81854.57714.52253.47933.74983.80402.15932.49541.09571.78071.7781

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 109.065 O1 C8 H9 104.039
O1 C8 C10 112.036 H2 O1 C8 108.182
O3 C5 H6 110.899 O3 C5 H7 107.246
O3 C5 C8 111.522 H4 O3 C5 106.146
C5 C8 H9 108.321 C5 C8 C10 112.881
H6 C5 H7 107.621 H6 C5 C8 109.142
H7 C5 C8 110.325 C8 C10 H11 111.028
C8 C10 H12 110.831 C8 C10 H13 110.453
H9 C8 C10 110.071 H11 C10 H12 107.698
H11 C10 H13 108.391 H12 C10 H13 108.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.603      
2 H 0.146      
3 O -0.561      
4 H 0.156      
5 C 1.144      
6 H -0.254      
7 H -0.261      
8 C 0.366      
9 H -0.408      
10 C 0.591      
11 H -0.134      
12 H -0.089      
13 H -0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.204 -0.516 1.187 2.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.241 -2.180 -0.056
y -2.180 -32.015 2.237
z -0.056 2.237 -29.949
Traceless
 xyz
x -5.259 -2.180 -0.056
y -2.180 1.080 2.237
z -0.056 2.237 4.179
Polar
3z2-r28.359
x2-y2-4.226
xy-2.180
xz-0.056
yz2.237


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.984 -0.186 0.103
y -0.186 7.319 0.026
z 0.103 0.026 6.765


<r2> (average value of r2) Å2
<r2> 132.612
(<r2>)1/2 11.516