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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-266.990389
Energy at 298.15K-267.000592
Nuclear repulsion energy193.226375
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 MP2/3-21G*
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 3370 4.63      
2 A 3450 3282 136.60      
3 A 3161 3007 20.97      
4 A 3133 2980 50.26      
5 A 3103 2951 43.59      
6 A 3093 2943 20.69      
7 A 3053 2904 39.13      
8 A 3007 2861 71.77      
9 A 1627 1548 3.53      
10 A 1614 1536 0.23      
11 A 1562 1486 10.08      
12 A 1538 1463 100.90      
13 A 1484 1412 10.08      
14 A 1453 1382 3.50      
15 A 1435 1365 1.47      
16 A 1350 1284 18.90      
17 A 1317 1253 3.03      
18 A 1250 1189 28.87      
19 A 1235 1175 27.07      
20 A 1164 1107 20.32      
21 A 1065 1013 63.03      
22 A 1058 1006 12.66      
23 A 974 927 3.21      
24 A 935 889 5.63      
25 A 911 867 27.65      
26 A 816 776 6.65      
27 A 700 666 175.55      
28 A 514 489 4.12      
29 A 379 361 2.17      
30 A 344 327 11.50      
31 A 293 278 101.60      
32 A 269 256 14.91      
33 A 107 102 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 25468.4 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 24228.1 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 MP2/3-21G*
ABC
0.24167 0.13631 0.09658

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

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 0.313
H4 -0.083 0.894 -1.435
H5 -0.019 2.161 -0.183
O6 1.240 -0.969 -0.089
O7 -1.450 -0.955 -0.134
H8 2.008 -1.405 0.360
H9 -0.533 -1.344 -0.121
H10 2.157 0.946 -0.323
H11 1.368 0.685 1.257
H12 -1.141 0.502 1.407
H13 -2.162 0.973 0.033

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53701.54851.09431.09702.41992.49463.28672.48652.18362.16702.16832.1776
C21.53702.55372.15852.15461.48523.11692.03442.60561.09751.09902.72703.4912
C31.54852.55372.15602.18742.88781.46443.74291.96073.51072.80081.10331.0937
H41.09432.15852.15601.78302.65162.64153.58862.63332.50183.06563.05802.5459
H51.09702.15462.18741.78303.37523.42914.13783.54282.49702.48522.55742.4594
O62.41991.48522.88782.65163.37522.69080.99071.81212.13572.13683.17373.9185
O72.49463.11691.46442.64153.42912.69083.52210.99694.08183.54512.14312.0610
H83.28672.03443.74293.58864.13780.99073.52212.58622.45242.36323.82734.8107
H92.48652.60561.96072.63333.54281.81210.99692.58623.53793.10282.47212.8359
H102.18361.09753.51072.50182.49702.13574.08182.45243.53791.78573.75104.3336
H112.16701.09902.80083.06562.48522.13683.54512.36323.10281.78572.52003.7466
H122.16832.72701.10333.05802.55743.17372.14313.82732.47213.75102.52001.7751
H132.17763.49121.09372.54592.45943.91852.06104.81072.83594.33363.74661.7751

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 106.383 C1 C2 H10 110.863
C1 C2 H11 109.462 C1 C3 O7 111.749
C1 C3 H12 108.535 C1 C3 H13 109.810
C2 C1 C3 111.714 C2 C1 H4 109.074
C2 C1 H5 108.617 C2 O6 H8 108.867
C3 C1 H4 108.100 C3 C1 H5 110.382
C3 O7 H9 103.997 H4 C1 H5 108.907
O6 C2 H10 110.672 O6 C2 H11 110.672
O7 C3 H12 112.397 O7 C3 H13 106.453
H10 C2 H11 108.777 H12 C3 H13 107.796
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability