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All results from a given calculation for C3H8O2 (1,3-Propanediol)

using model chemistry: MP2=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-266.999080
Energy at 298.15K-267.009300
Nuclear repulsion energy193.263882
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/3-21G
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 3543 3383 4.68      
2 A 3451 3295 137.04      
3 A 3162 3019 20.84      
4 A 3133 2992 50.15      
5 A 3103 2963 43.36      
6 A 3094 2954 20.74      
7 A 3053 2915 39.07      
8 A 3007 2872 71.68      
9 A 1627 1553 3.55      
10 A 1614 1541 0.23      
11 A 1562 1492 10.16      
12 A 1538 1469 100.83      
13 A 1484 1417 10.11      
14 A 1454 1388 3.51      
15 A 1435 1370 1.48      
16 A 1350 1289 18.81      
17 A 1317 1258 3.02      
18 A 1251 1194 28.64      
19 A 1236 1180 27.43      
20 A 1164 1111 20.32      
21 A 1065 1017 63.30      
22 A 1058 1011 12.55      
23 A 975 931 3.22      
24 A 935 893 5.56      
25 A 912 871 27.69      
26 A 816 780 6.64      
27 A 700 669 175.55      
28 A 514 491 4.12      
29 A 379 362 2.18      
30 A 344 329 11.53      
31 A 293 280 101.56      
32 A 270 257 15.16      
33 A 107 102 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 25473.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 24321.6 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/3-21G
ABC
0.24176 0.13637 0.09662

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 1.078 -0.358
C2 1.293 0.491 0.178
C3 -1.256 0.426 0.312
H4 -0.083 0.893 -1.435
H5 -0.020 2.161 -0.183
O6 1.240 -0.968 -0.089
O7 -1.450 -0.955 -0.134
H8 2.008 -1.405 0.359
H9 -0.532 -1.343 -0.121
H10 2.157 0.946 -0.323
H11 1.367 0.685 1.257
H12 -1.141 0.502 1.407
H13 -2.161 0.972 0.033

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53671.54821.09421.09692.41942.49403.28642.48602.18332.16662.16792.1773
C21.53672.55312.15812.15431.48493.11602.03432.60491.09731.09892.72633.4905
C31.54822.55312.15562.18712.88711.46413.74261.96053.51012.80011.10321.0935
H41.09422.15812.15561.78272.65102.64083.58782.63262.50163.06513.05752.5456
H51.09692.15432.18711.78273.37463.42844.13743.54222.49662.48492.55712.4591
O62.41941.48492.88712.65103.37462.69010.99061.81152.13532.13653.17313.9178
O72.49403.11601.46412.64083.42842.69013.52160.99684.08103.54412.14282.0607
H83.28642.03433.74263.58784.13740.99063.52162.58572.45182.36343.82724.8103
H92.48602.60491.96052.63263.54221.81150.99682.58573.53713.10212.47202.8356
H102.18331.09733.51012.50162.49662.13534.08102.45183.53711.78543.75024.3329
H112.16661.09892.80013.06512.48492.13653.54412.36343.10211.78542.51923.7458
H122.16792.72631.10323.05752.55713.17312.14283.82722.47203.75022.51921.7748
H132.17733.49051.09352.54562.45913.91782.06074.81032.83564.33293.74581.7748

picture of 1,3-Propanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 106.384 C1 C2 H10 110.866
C1 C2 H11 109.460 C1 C3 O7 111.745
C1 C3 H12 108.534 C1 C3 H13 109.815
C2 C1 C3 111.707 C2 C1 H4 109.073
C2 C1 H5 108.621 C2 O6 H8 108.887
C3 C1 H4 108.099 C3 C1 H5 110.387
C3 O7 H9 104.006 H4 C1 H5 108.905
O6 C2 H10 110.675 O6 C2 H11 110.673
O7 C3 H12 112.398 O7 C3 H13 106.457
H10 C2 H11 108.771 H12 C3 H13 107.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability