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

using model chemistry: MP2/CEP-121G

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-121G
 hartrees
Energy at 0K-52.904864
Energy at 298.15K-52.914789
Nuclear repulsion energy111.129433
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-121G
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 3656 3569 12.34      
2 A 3570 3484 72.40      
3 A 3091 3017 51.06      
4 A 3066 2993 57.54      
5 A 3043 2970 40.33      
6 A 2985 2913 47.84      
7 A 2969 2897 42.93      
8 A 2963 2892 65.43      
9 A 1544 1507 1.89      
10 A 1529 1492 1.06      
11 A 1494 1458 8.43      
12 A 1445 1410 18.06      
13 A 1440 1406 55.08      
14 A 1402 1368 0.82      
15 A 1377 1344 10.02      
16 A 1287 1256 21.36      
17 A 1249 1219 2.01      
18 A 1188 1159 3.66      
19 A 1173 1145 61.84      
20 A 1131 1103 12.18      
21 A 1075 1049 15.44      
22 A 1021 996 101.60      
23 A 915 893 2.81      
24 A 905 883 14.00      
25 A 882 861 19.57      
26 A 802 783 20.08      
27 A 578 564 189.72      
28 A 491 479 3.24      
29 A 375 366 6.13      
30 A 308 301 29.64      
31 A 262 255 138.51      
32 A 203 198 8.17      
33 A 111 108 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 24764.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 24170.3 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/CEP-121G
ABC
0.23965 0.12934 0.09310

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 1.079 -0.356
C2 1.342 0.484 0.137
C3 -1.236 0.448 0.357
H4 -0.102 0.913 -1.442
H5 0.022 2.170 -0.171
O6 1.242 -1.006 -0.029
O7 -1.545 -0.905 -0.175
H8 2.078 -1.453 0.230
H9 -0.699 -1.415 -0.177
H10 2.190 0.863 -0.460
H11 1.506 0.717 1.206
H12 -1.059 0.394 1.450
H13 -2.144 1.036 0.168

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.54991.55891.10311.10712.44972.51953.32782.59552.20422.20082.20162.2062
C21.54992.58762.18282.16281.50293.21862.07382.80551.10401.10612.73733.5299
C31.55892.58762.17672.19692.89941.48643.82212.01113.54612.88251.10811.0986
H41.10312.18282.17671.79222.73632.64343.62552.71572.49413.10443.08962.6029
H51.10712.16282.19691.79223.40523.45094.18413.65672.54712.49142.63592.4686
O62.44971.50292.89942.73633.40522.79270.98191.98952.13952.13633.07273.9598
O72.51953.21861.48642.64343.45092.79273.68570.98764.14143.72052.13632.0603
H83.32782.07383.82213.62554.18410.98193.68572.80652.41922.44673.83824.9013
H92.59552.80552.01112.71573.65671.98950.98762.80653.68973.36412.45902.8663
H102.20421.10403.54612.49412.54712.13954.14142.41923.68971.80713.79704.3825
H112.20081.10612.88253.10442.49142.13633.72052.44673.36411.80712.59573.8081
H122.20162.73731.10813.08962.63593.07272.13633.83822.45903.79702.59571.7987
H132.20623.52991.09862.60292.46863.95982.06034.90132.86634.38253.80811.7987

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 106.719 C1 C2 H10 111.194
C1 C2 H11 110.805 C1 C3 O7 111.627
C1 C3 H12 110.131 C1 C3 H13 111.049
C2 C1 C3 112.677 C2 C1 H4 109.574
C2 C1 H5 107.816 C2 O6 H8 111.426
C3 C1 H4 108.496 C3 C1 H5 109.826
C3 O7 H9 107.031 H4 C1 H5 108.367
O6 C2 H10 109.358 O6 C2 H11 108.990
O7 C3 H12 109.999 O7 C3 H13 104.699
H10 C2 H11 109.701 H12 C3 H13 109.194
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability