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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-268.736028
Energy at 298.15K-268.746001
HF Energy-267.962207
Nuclear repulsion energy195.319967
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 MP2=FULL/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 3761 3544 27.61      
2 A 3712 3497 54.70      
3 A 3216 3031 13.88      
4 A 3205 3020 23.77      
5 A 3187 3002 18.04      
6 A 3113 2933 14.21      
7 A 3091 2913 36.17      
8 A 3009 2835 69.18      
9 A 1565 1475 3.22      
10 A 1557 1467 2.63      
11 A 1549 1460 4.05      
12 A 1501 1414 27.81      
13 A 1463 1378 25.69      
14 A 1434 1351 16.73      
15 A 1426 1343 18.10      
16 A 1390 1309 40.49      
17 A 1335 1258 51.50      
18 A 1264 1191 16.60      
19 A 1216 1146 13.42      
20 A 1127 1062 38.69      
21 A 1120 1056 9.54      
22 A 1078 1016 109.56      
23 A 979 922 2.95      
24 A 953 898 19.41      
25 A 881 830 13.19      
26 A 569 536 167.02      
27 A 533 502 27.34      
28 A 497 468 5.86      
29 A 373 351 24.28      
30 A 347 327 72.77      
31 A 260 245 3.19      
32 A 242 228 0.43      
33 A 165 155 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 25558.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 24081.0 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 MP2=FULL/6-31G*
ABC
0.29001 0.12105 0.09382

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.417 1.371 -0.157
H2 0.530 1.607 -0.163
O3 1.935 -0.048 0.004
H4 2.142 -0.150 0.949
C5 0.703 -0.741 -0.238
H6 0.601 -0.781 -1.325
H7 0.735 -1.767 0.152
C8 -0.460 0.042 0.346
H9 -0.351 0.051 1.446
C10 -1.805 -0.547 -0.021
H11 -1.911 -0.576 -1.108
H12 -1.914 -1.560 0.377
H13 -2.605 0.075 0.384

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97662.75213.17622.39182.65143.35681.42202.07782.37162.63153.33442.5997
H20.97662.17712.63052.35492.65633.39421.92082.40513.18023.40844.03683.5320
O32.75212.17710.97291.43382.02062.10152.42152.70483.77344.03804.15214.5578
H43.17622.63050.97291.95642.81842.28652.67822.55004.08374.56474.33184.7858
C52.39182.35491.43381.95641.09261.09821.51872.13822.52492.75982.81043.4636
H62.65142.65632.02062.81841.09261.78092.14333.04532.74642.52913.13493.7325
H73.35683.39422.10152.28651.09821.78092.17622.48102.82263.16302.66603.8211
C81.42201.92082.42152.67821.51872.14332.17621.10541.51312.14452.16332.1453
H92.07782.40512.70482.55002.13823.04532.48101.10542.15003.05742.48592.4915
C102.37163.18023.77344.08372.52492.74642.82261.51312.15001.09281.09391.0918
H112.63153.40844.03804.56472.75982.52913.16302.14453.05741.09281.78201.7703
H123.33444.03684.15214.33182.81043.13492.66602.16332.48591.09391.78201.7758
H132.59973.53204.55784.78583.46363.73253.82112.14532.49151.09181.77031.7758

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 108.805 O1 C8 H9 109.960
O1 C8 C10 107.764 H2 O1 C8 104.888
O3 C5 H6 105.424 O3 C5 H7 111.504
O3 C5 C8 110.169 H4 O3 C5 107.203
C5 C8 H9 108.116 C5 C8 C10 112.779
H6 C5 H7 108.763 H6 C5 C8 109.244
H7 C5 C8 111.524 C8 C10 H11 109.709
C8 C10 H12 111.143 C8 C10 H13 109.834
H9 C8 C10 109.402 H11 C10 H12 109.157
H11 C10 H13 108.262 H12 C10 H13 108.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability