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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-268.938942
Energy at 298.15K-268.949009
Nuclear repulsion energy195.659272
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 MP2/6-31G(2df,p)
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 3888 3672 38.32      
2 A 3818 3606 144.73      
3 A 3175 2999 16.79      
4 A 3150 2975 36.53      
5 A 3118 2945 45.74      
6 A 3105 2933 5.57      
7 A 3063 2893 44.84      
8 A 3035 2867 55.18      
9 A 1555 1469 2.42      
10 A 1541 1456 1.20      
11 A 1491 1409 59.26      
12 A 1482 1399 30.32      
13 A 1471 1390 5.36      
14 A 1416 1337 1.46      
15 A 1391 1314 0.42      
16 A 1325 1252 24.68      
17 A 1301 1229 4.73      
18 A 1246 1177 9.23      
19 A 1216 1148 45.84      
20 A 1152 1089 30.70      
21 A 1130 1067 40.47      
22 A 1119 1057 86.40      
23 A 986 931 1.76      
24 A 928 876 9.32      
25 A 926 874 2.34      
26 A 841 795 7.21      
27 A 548 518 137.45      
28 A 505 477 2.26      
29 A 389 367 3.31      
30 A 337 318 15.80      
31 A 287 271 64.77      
32 A 227 214 3.04      
33 A 103 97 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 25631.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 24209.3 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 MP2/6-31G(2df,p)
ABC
0.25756 0.13357 0.09735

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.025 1.038 -0.352
C2 1.276 0.469 0.183
C3 -1.252 0.404 0.299
H4 -0.077 0.881 -1.432
H5 -0.026 2.117 -0.168
O6 1.292 -0.931 -0.101
O7 -1.478 -0.922 -0.132
H8 2.049 -1.316 0.346
H9 -0.621 -1.358 -0.067
H10 2.134 0.963 -0.285
H11 1.333 0.641 1.265
H12 -1.147 0.461 1.393
H13 -2.147 0.970 0.032

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.51751.52651.09291.09432.38192.44943.21412.48582.16212.14892.15292.1572
C21.51752.53122.14652.12941.42803.10061.95172.64511.09611.09732.70793.4625
C31.52652.53122.14582.15782.90021.41183.72251.90723.48172.77021.10091.0923
H41.09292.14652.14581.76862.63142.62753.53602.67842.49243.05293.05002.5373
H51.09432.12942.15781.76863.32083.36794.04393.52732.45172.46572.53672.4194
O62.38191.42802.90022.63143.32082.76970.96011.95992.08122.08333.18083.9314
O72.44943.10061.41182.62753.36792.76973.58080.96414.07753.50662.08492.0136
H83.21411.95173.72253.53604.04390.96013.58082.70182.36642.27793.80414.7888
H92.48582.64511.90722.67843.52731.95990.96412.70183.60963.09682.39152.7861
H102.16211.09613.48172.49242.45172.08124.07752.36643.60961.77433.71954.2931
H112.14891.09732.77023.05292.46572.08333.50662.27793.09681.77432.49003.7069
H122.15292.70791.10093.05002.53673.18082.08493.80412.39153.71952.49001.7640
H132.15723.46251.09232.53732.41943.93142.01364.78882.78614.29313.70691.7640

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 107.887 C1 C2 H10 110.598
C1 C2 H11 109.484 C1 C3 O7 112.881
C1 C3 H12 108.972 C1 C3 H13 109.806
C2 C1 C3 112.506 C2 C1 H4 109.548
C2 C1 H5 108.137 C2 O6 H8 108.019
C3 C1 H4 108.881 C3 C1 H5 109.740
C3 O7 H9 105.219 H4 C1 H5 107.924
O6 C2 H10 110.400 O6 C2 H11 110.487
O7 C3 H12 111.549 O7 C3 H13 106.357
H10 C2 H11 107.990 H12 C3 H13 107.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability