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

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-269.321969
Energy at 298.15K-269.331751
Nuclear repulsion energy194.294480
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/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 3703 3670 16.45      
2 A 3621 3588 49.25      
3 A 3058 3030 18.74      
4 A 3049 3021 31.91      
5 A 3022 2995 23.67      
6 A 2974 2947 19.42      
7 A 2935 2909 52.28      
8 A 2828 2803 85.00      
9 A 1453 1440 1.90      
10 A 1440 1427 6.01      
11 A 1433 1420 7.01      
12 A 1401 1388 40.18      
13 A 1366 1354 49.85      
14 A 1350 1337 1.86      
15 A 1330 1318 2.06      
16 A 1308 1296 40.96      
17 A 1261 1250 28.71      
18 A 1187 1176 14.36      
19 A 1134 1124 22.29      
20 A 1063 1053 16.56      
21 A 1054 1044 20.69      
22 A 1010 1001 109.87      
23 A 910 902 6.07      
24 A 892 884 15.66      
25 A 826 819 13.88      
26 A 567 562 139.12      
27 A 513 509 8.75      
28 A 472 468 9.43      
29 A 361 358 68.94      
30 A 349 346 10.52      
31 A 246 243 3.16      
32 A 215 213 0.29      
33 A 156 155 4.34      

Unscaled Zero Point Vibrational Energy (zpe) 24243.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 24023.2 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/6-311G**
ABC
0.28688 0.11981 0.09271

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.403 1.382 -0.156
H2 0.553 1.583 -0.179
O3 1.944 -0.054 -0.005
H4 2.131 -0.104 0.948
C5 0.707 -0.755 -0.224
H6 0.604 -0.829 -1.318
H7 0.736 -1.777 0.199
C8 -0.467 0.047 0.344
H9 -0.367 0.053 1.455
C10 -1.821 -0.541 -0.027
H11 -1.931 -0.575 -1.122
H12 -1.938 -1.559 0.376
H13 -2.627 0.087 0.377

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97722.75603.13852.40892.69283.37671.42682.08902.39192.66363.35942.6279
H20.97722.15612.57112.34402.66813.38671.91692.42053.18853.42284.04793.5579
O32.75602.15610.97221.43902.03012.11422.43872.73573.79614.06694.18124.5895
H43.13852.57110.97221.95632.82732.30352.67222.55394.09374.58384.35944.7965
C52.40892.34401.43901.95631.10131.10671.53112.15082.54402.79262.82893.4909
H62.69282.66812.03012.82731.10131.79442.16263.06792.76182.55563.14113.7620
H73.37673.38672.11422.30351.10671.79442.18982.47832.84873.21052.68893.8494
C81.42681.91692.43872.67221.53112.16262.18981.11601.52122.16292.17782.1605
H92.08902.42052.73572.55392.15083.06792.47831.11602.15953.07962.49632.5048
C102.39193.18853.79614.09372.54402.76182.84871.52122.15951.10091.10131.0993
H112.66363.42284.06694.58382.79262.55563.21052.16293.07961.10091.79251.7800
H123.35944.04794.18124.35942.82893.14112.68892.17782.49631.10131.79251.7844
H132.62793.55794.58954.79653.49093.76203.84942.16052.50481.09931.78001.7844

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 109.001 O1 C8 H9 109.870
O1 C8 C10 108.415 H2 O1 C8 104.199
O3 C5 H6 105.331 O3 C5 H7 111.637
O3 C5 C8 110.349 H4 O3 C5 106.851
C5 C8 H9 107.650 C5 C8 C10 112.911
H6 C5 H7 108.717 H6 C5 C8 109.390
H7 C5 C8 111.217 C8 C10 H11 110.120
C8 C10 H12 111.281 C8 C10 H13 110.029
H9 C8 C10 108.973 H11 C10 H12 108.971
H11 C10 H13 108.000 H12 C10 H13 108.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.358      
2 H 0.224      
3 O -0.368      
4 H 0.235      
5 C -0.068      
6 H 0.127      
7 H 0.110      
8 C -0.048      
9 H 0.095      
10 C -0.317      
11 H 0.123      
12 H 0.111      
13 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.518 -1.605 1.488 2.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.046 2.033 2.821
y 2.033 -32.920 0.142
z 2.821 0.142 -30.116
Traceless
 xyz
x -1.528 2.033 2.821
y 2.033 -1.339 0.142
z 2.821 0.142 2.867
Polar
3z2-r25.734
x2-y2-0.126
xy2.033
xz2.821
yz0.142


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.479 0.208 0.155
y 0.208 6.634 -0.053
z 0.155 -0.053 6.294


<r2> (average value of r2) Å2
<r2> 133.212
(<r2>)1/2 11.542