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All results from a given calculation for C3H8O3 (1,2,3-Propanetriol)

using model chemistry: MP2/CEP-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/CEP-31G*
 hartrees
Energy at 0K-69.071389
Energy at 298.15K-69.081624
HF Energy-68.180762
Nuclear repulsion energy151.680320
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/CEP-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 3817 3624 41.63      
2 A 3809 3616 30.13      
3 A 3756 3566 45.81      
4 A 3170 3009 31.75      
5 A 3159 3000 70.31      
6 A 3144 2985 10.23      
7 A 3088 2931 42.50      
8 A 3082 2926 57.43      
9 A 1547 1468 6.35      
10 A 1538 1460 8.81      
11 A 1484 1409 0.46      
12 A 1475 1401 14.68      
13 A 1432 1360 51.80      
14 A 1390 1319 11.62      
15 A 1332 1265 48.81      
16 A 1292 1226 12.43      
17 A 1259 1195 24.10      
18 A 1235 1172 3.68      
19 A 1201 1141 33.26      
20 A 1155 1097 12.97      
21 A 1129 1072 119.81      
22 A 1073 1018 134.66      
23 A 1067 1013 2.40      
24 A 1007 956 19.66      
25 A 963 914 9.49      
26 A 842 799 18.52      
27 A 645 612 33.05      
28 A 483 458 9.08      
29 A 454 431 145.69      
30 A 407 387 7.41      
31 A 283 269 2.34      
32 A 276 262 155.11      
33 A 254 241 87.36      
34 A 248 235 28.79      
35 A 168 160 32.27      
36 A 94 89 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 26378.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 25043.5 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/CEP-31G*
ABC
0.14930 0.09314 0.06962

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.645 -0.524 1.408
H2 -0.185 -1.526 1.006
C3 -0.843 -0.706 0.668
H4 0.336 0.920 1.463
C5 -0.030 0.581 0.478
H6 1.709 1.336 -0.555
H7 0.826 0.037 -1.449
C8 1.176 0.372 -0.454
H9 2.803 -0.739 -0.395
O10 2.014 -0.629 0.169
H11 -2.032 -1.751 -0.526
O12 -1.417 -1.001 -0.635
H13 -1.412 1.217 -0.729
O14 -0.866 1.637 -0.033

Atom - Atom Distances (Å)
  H1 H2 C3 H4 C5 H6 H7 C8 H9 O10 H11 O12 H13 O14
H11.81531.10662.45192.16574.30833.81893.49654.80413.86432.32272.11012.76682.7113
H21.81531.10402.54272.17753.77113.08162.75503.39322.51872.40922.11753.47053.3979
C31.10661.10402.16041.53373.48992.79632.54873.79772.90121.98191.45332.44472.4455
H42.45192.54272.16041.10392.47583.08182.16303.50552.62444.08583.34082.82002.0481
C52.16572.17751.53371.10392.15982.17811.53863.24552.39573.23232.37931.94271.4402
H64.30833.77113.48992.47582.15981.80701.10632.35192.11694.84993.90353.12832.6441
H73.81893.08162.79633.08182.17811.80701.10642.37112.11543.49522.60222.63082.7251
C83.49652.75502.54872.16301.53861.10631.10641.97181.44743.84692.93912.73622.4378
H94.80413.39323.79773.50553.24552.35192.37111.97180.97624.94104.23474.65934.3858
O103.86432.51872.90122.62442.39572.11692.11541.44740.97624.25563.54353.99483.6699
H112.32272.40921.98194.08583.23234.84993.49523.84694.94104.25560.97593.03863.6161
O122.11012.11751.45333.34082.37933.90352.60222.93914.23473.54350.97592.21992.7607
H132.76683.47052.44472.82001.94273.12832.63082.73624.65933.99483.03862.21990.9800
O142.71133.39792.44552.04811.44022.64412.72512.43784.38583.66993.61612.76070.9800

picture of 1,2,3-Propanetriol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 110.405 H1 C3 C5 109.151
H1 C3 O12 110.299 H2 C3 C5 110.224
H2 C3 O12 111.063 C3 C5 H4 108.900
C3 C5 C8 112.112 C3 C5 O14 110.603
C3 O12 H11 107.726 H4 C5 C8 108.762
H4 C5 O14 106.481 C5 C3 O12 105.579
C5 C8 H6 108.380 C5 C8 H7 109.784
C5 C8 O10 106.659 C5 O14 H13 105.190
H6 C8 H7 109.500 H6 C8 O10 111.287
H7 C8 O10 111.151 C8 C5 O14 109.801
C8 O10 H9 107.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability