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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-266.955966
Energy at 298.15K-266.966221
Nuclear repulsion energy194.084999
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 CISD/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 3686 3444 8.90      
2 A 3615 3378 132.19      
3 A 3195 2986 24.70      
4 A 3172 2964 48.98      
5 A 3143 2937 41.23      
6 A 3132 2927 24.70      
7 A 3098 2894 40.26      
8 A 3058 2858 66.06      
9 A 1648 1540 3.93      
10 A 1635 1528 0.30      
11 A 1582 1479 10.37      
12 A 1561 1458 108.85      
13 A 1515 1416 10.44      
14 A 1479 1382 3.02      
15 A 1463 1367 1.54      
16 A 1377 1287 21.64      
17 A 1343 1255 3.35      
18 A 1275 1191 20.11      
19 A 1261 1179 49.07      
20 A 1185 1108 18.49      
21 A 1101 1029 84.79      
22 A 1093 1022 3.48      
23 A 993 928 3.92      
24 A 959 896 3.69      
25 A 936 874 24.62      
26 A 832 777 6.21      
27 A 688 643 191.75      
28 A 524 490 4.17      
29 A 386 361 2.33      
30 A 346 323 16.47      
31 A 297 277 110.81      
32 A 263 246 15.77      
33 A 107 100 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 25974.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 24270.9 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 CISD/3-21G*
ABC
0.24512 0.13672 0.09720

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 1.074 -0.353
C2 1.294 0.485 0.169
C3 -1.251 0.420 0.317
H4 -0.091 0.900 -1.428
H5 -0.020 2.152 -0.170
O6 1.235 -0.963 -0.075
O7 -1.451 -0.941 -0.142
H8 2.017 -1.404 0.319
H9 -0.557 -1.355 -0.139
H10 2.149 0.929 -0.349
H11 1.388 0.689 1.240
H12 -1.130 0.475 1.408
H13 -2.152 0.972 0.054

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53441.54441.09071.09302.41062.47983.27942.49632.17612.16302.16512.1707
C21.53442.55002.15412.14961.46963.10962.02802.62791.09331.09482.72283.4829
C31.54442.55002.14962.17972.87191.45093.74261.95963.50102.80831.09841.0898
H41.09072.15412.14961.77582.65692.62603.57782.63842.48573.05793.04992.5399
H51.09302.14962.17971.77583.35973.40864.12703.54762.49592.47232.55672.4473
O62.41061.46962.87192.65693.35972.68770.98011.83572.11862.11743.14053.9039
O72.47983.10961.45092.62603.40862.68773.52950.98534.06213.55402.12352.0476
H83.27942.02803.74263.57784.12700.98013.52952.61512.43002.37213.82414.8067
H92.49632.62791.95962.63843.54761.83570.98532.61513.54663.14062.46342.8282
H102.17611.09333.50102.48572.49592.11864.06212.43003.54661.77843.74764.3201
H112.16301.09482.80833.05792.47232.11743.55402.37213.14061.77842.53303.7447
H122.16512.72281.09843.04992.55673.14052.12353.82412.46343.74762.53301.7678
H132.17073.48291.08982.53992.44733.90392.04764.80672.82824.32013.74471.7678

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 106.712 C1 C2 H10 110.693
C1 C2 H11 109.572 C1 C3 O7 111.723
C1 C3 H12 108.846 C1 C3 H13 109.781
C2 C1 C3 111.835 C2 C1 H4 109.113
C2 C1 H5 108.633 C2 O6 H8 110.153
C3 C1 H4 108.083 C3 C1 H5 110.302
C3 O7 H9 105.499 H4 C1 H5 108.824
O6 C2 H10 110.653 O6 C2 H11 110.470
O7 C3 H12 112.067 O7 C3 H13 106.537
H10 C2 H11 108.731 H12 C3 H13 107.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability