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

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-264.775766
Energy at 298.15K-264.785757
Nuclear repulsion energy192.194396
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/STO-3G
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 3895 3396 33.82      
2 A 3853 3360 68.34      
3 A 3527 3075 2.38      
4 A 3454 3011 13.83      
5 A 3443 3002 13.16      
6 A 3409 2972 0.97      
7 A 3334 2907 10.94      
8 A 3320 2895 25.70      
9 A 1743 1519 27.38      
10 A 1727 1506 5.47      
11 A 1721 1501 22.05      
12 A 1692 1475 0.51      
13 A 1649 1437 3.09      
14 A 1556 1356 6.18      
15 A 1523 1328 6.30      
16 A 1475 1286 22.44      
17 A 1402 1223 2.49      
18 A 1326 1156 12.36      
19 A 1310 1142 1.02      
20 A 1230 1073 6.34      
21 A 1218 1062 7.75      
22 A 1201 1047 13.99      
23 A 1065 928 1.71      
24 A 993 866 0.49      
25 A 973 848 2.96      
26 A 916 799 0.03      
27 A 675 589 119.83      
28 A 534 465 3.10      
29 A 414 361 5.56      
30 A 359 313 30.42      
31 A 300 262 10.30      
32 A 242 211 6.41      
33 A 125 109 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 27801.0 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 24239.7 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/STO-3G
ABC
0.23835 0.13556 0.09563

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.026 1.113 -0.345
C2 1.294 0.468 0.198
C3 -1.286 0.409 0.284
H4 -0.056 1.012 -1.446
H5 -0.029 2.190 -0.096
O6 1.249 -0.960 -0.135
O7 -1.431 -0.983 -0.122
H8 1.997 -1.344 0.432
H9 -0.466 -1.296 -0.053
H10 2.186 0.960 -0.257
H11 1.353 0.622 1.301
H12 -1.216 0.511 1.396
H13 -2.205 0.948 -0.035

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.56551.57431.10601.10602.44202.53293.27562.46572.21892.20262.19312.2074
C21.56552.58132.19532.19151.46673.10341.95772.50391.11591.11542.78153.5389
C31.57432.58132.20692.21272.91061.45693.72411.92143.55662.83601.11881.1123
H41.10602.19532.20691.79182.70392.76153.64592.72712.53843.11193.11052.5722
H51.10602.19152.21271.79183.39963.46894.10793.51352.53922.51442.54022.5059
O62.44201.46672.91062.70393.39962.68011.01411.74912.14002.13873.25343.9469
O72.53293.10341.45692.76153.46892.68013.49121.01724.10823.51472.14082.0820
H83.27561.95773.72413.64594.10791.01413.49122.51042.41222.24373.83364.8089
H92.46572.50391.92142.72713.51351.74911.01722.51043.48762.96982.43502.8391
H102.21891.11593.55662.53842.53922.14004.10822.41223.48761.79823.80904.3967
H112.20261.11542.83603.11192.51442.13873.51472.24372.96981.79822.57373.8144
H122.19312.78151.11883.11052.54023.25342.14083.83362.43503.80902.57371.7926
H132.20743.53891.11232.57222.50593.94692.08204.80892.83914.39673.81441.7926

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 107.244 C1 C2 H10 110.566
C1 C2 H11 109.342 C1 C3 O7 113.305
C1 C3 H12 107.850 C1 C3 H13 109.289
C2 C1 C3 110.597 C2 C1 H4 109.312
C2 C1 H5 109.017 C2 O6 H8 102.680
C3 C1 H4 109.610 C3 C1 H5 110.059
C3 O7 H9 100.385 H4 C1 H5 108.201
O6 C2 H10 111.185 O6 C2 H11 111.115
O7 C3 H12 111.767 O7 C3 H13 107.502
H10 C2 H11 107.401 H12 C3 H13 106.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability