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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-269.558502
Energy at 298.15K-269.568407
Nuclear repulsion energy195.916115
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 mPW1PW91/6-311G*
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 3842 3667 14.84      
2 A 3782 3610 35.74      
3 A 3149 3006 24.26      
4 A 3140 2997 49.97      
5 A 3129 2986 15.60      
6 A 3064 2924 24.02      
7 A 3043 2904 49.45      
8 A 2945 2811 87.23      
9 A 1523 1454 2.41      
10 A 1510 1441 6.67      
11 A 1504 1435 6.59      
12 A 1472 1405 33.65      
13 A 1432 1366 53.83      
14 A 1415 1350 4.86      
15 A 1400 1337 3.69      
16 A 1372 1309 49.35      
17 A 1311 1251 48.50      
18 A 1243 1186 20.56      
19 A 1197 1143 24.42      
20 A 1111 1060 38.21      
21 A 1103 1053 6.24      
22 A 1075 1026 120.60      
23 A 955 911 3.61      
24 A 935 892 18.14      
25 A 865 825 12.77      
26 A 568 542 171.79      
27 A 525 501 27.34      
28 A 484 462 5.92      
29 A 366 349 35.05      
30 A 346 330 65.22      
31 A 252 240 3.44      
32 A 226 215 0.45      
33 A 159 152 4.45      

Unscaled Zero Point Vibrational Energy (zpe) 25220.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 24070.3 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 mPW1PW91/6-311G*
ABC
0.29166 0.12156 0.09414

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.413 1.367 -0.156
H2 0.520 1.611 -0.170
O3 1.928 -0.051 0.003
H4 2.152 -0.142 0.933
C5 0.707 -0.739 -0.233
H6 0.610 -0.798 -1.319
H7 0.738 -1.758 0.170
C8 -0.461 0.048 0.339
H9 -0.355 0.060 1.439
C10 -1.803 -0.548 -0.021
H11 -1.922 -0.585 -1.106
H12 -1.913 -1.557 0.381
H13 -2.606 0.071 0.382

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.96392.74143.16852.38652.66163.34681.41032.06362.36992.64423.33042.6039
H20.96392.18522.63672.35792.66983.39351.91442.40013.17403.41474.03213.5279
O32.74142.18520.96011.42082.01012.08762.41452.69873.76364.04184.14264.5512
H43.16852.63670.96011.94962.80592.27852.68622.56484.08794.57664.33894.7940
C52.38652.35791.42081.94961.09161.09691.52002.13552.52622.77442.81273.4655
H62.66162.66982.01012.80591.09161.77652.14713.04492.75132.54993.13583.7403
H73.34683.39352.08762.27851.09691.77652.17462.47182.82133.17502.66693.8175
C81.41031.91442.41452.68621.52002.14712.17461.10551.51112.14982.16432.1452
H92.06362.40012.69872.56482.13553.04492.47181.10552.14443.05782.48222.4874
C102.36993.17403.76364.08792.52622.75132.82131.51112.14441.09211.09261.0906
H112.64423.41474.04184.57662.77442.54993.17502.14983.05781.09211.77681.7641
H123.33044.03214.14264.33892.81273.13582.66692.16432.48221.09261.77681.7694
H132.60393.52794.55124.79403.46553.74033.81752.14522.48741.09061.76411.7694

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 109.003 O1 C8 H9 109.628
O1 C8 C10 108.383 H2 O1 C8 105.952
O3 C5 H6 105.524 O3 C5 H7 111.380
O3 C5 C8 110.328 H4 O3 C5 108.380
C5 C8 H9 107.807 C5 C8 C10 112.898
H6 C5 H7 108.539 H6 C5 C8 109.501
H7 C5 C8 111.372 C8 C10 H11 110.305
C8 C10 H12 111.442 C8 C10 H13 110.036
H9 C8 C10 109.090 H11 C10 H12 108.840
H11 C10 H13 107.839 H12 C10 H13 108.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.575      
2 H 0.399      
3 O -0.570      
4 H 0.393      
5 C -0.249      
6 H 0.227      
7 H 0.202      
8 C -0.029      
9 H 0.174      
10 C -0.653      
11 H 0.226      
12 H 0.213      
13 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.621 -1.747 1.652 2.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.066 2.087 3.117
y 2.087 -32.523 0.095
z 3.117 0.095 -29.715
Traceless
 xyz
x -1.947 2.087 3.117
y 2.087 -1.132 0.095
z 3.117 0.095 3.079
Polar
3z2-r26.158
x2-y2-0.543
xy2.087
xz3.117
yz0.095


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 131.446
(<r2>)1/2 11.465