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

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-268.875026
Energy at 298.15K-268.885109
Nuclear repulsion energy194.860093
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 QCISD/6-311G*
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 3864 3699 15.18      
2 A 3838 3674 74.36      
3 A 3099 2967 41.08      
4 A 3097 2965 45.96      
5 A 3051 2921 65.89      
6 A 3040 2911 14.64      
7 A 3005 2877 61.18      
8 A 2980 2853 64.99      
9 A 1561 1494 2.69      
10 A 1544 1478 0.70      
11 A 1509 1445 84.71      
12 A 1502 1438 13.79      
13 A 1487 1423 11.41      
14 A 1427 1366 0.43      
15 A 1405 1345 0.61      
16 A 1341 1284 40.23      
17 A 1309 1253 2.42      
18 A 1248 1195 14.91      
19 A 1227 1175 71.97      
20 A 1159 1109 24.52      
21 A 1134 1086 26.71      
22 A 1126 1078 88.03      
23 A 985 943 1.99      
24 A 935 896 8.14      
25 A 923 884 6.47      
26 A 836 801 8.39      
27 A 554 531 173.96      
28 A 514 492 5.84      
29 A 400 382 6.53      
30 A 331 317 29.61      
31 A 283 271 88.39      
32 A 217 208 1.76      
33 A 113 108 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 25521.3 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 24434.1 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 QCISD/6-311G*
ABC
0.25734 0.13149 0.09630

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 1.042 -0.343
C2 1.304 0.459 0.147
C3 -1.235 0.408 0.329
H4 -0.099 0.897 -1.428
H5 0.000 2.124 -0.151
O6 1.273 -0.955 -0.062
O7 -1.520 -0.888 -0.161
H8 2.067 -1.344 0.308
H9 -0.695 -1.380 -0.121
H10 2.148 0.909 -0.398
H11 1.431 0.681 1.220
H12 -1.085 0.395 1.424
H13 -2.128 1.011 0.128

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52191.53161.09771.09982.39162.45513.23172.52542.16642.15852.16502.1664
C21.52192.54682.15462.13611.43013.14461.96462.72991.10051.10222.70983.4764
C31.53162.54682.14862.16852.88151.41483.73861.92123.49672.82461.10511.0957
H41.09772.15462.14861.77372.67892.60993.56782.69232.47203.06553.05862.5591
H51.09982.13612.16851.77373.33333.37454.06373.57272.48062.45192.57832.4177
O62.39161.43012.88152.67893.33332.79550.95892.01422.08602.08423.09713.9328
O72.45513.14461.41482.60993.37452.79553.64630.96124.09153.61622.08502.0151
H83.23171.96463.73863.56784.06370.95893.64632.79562.36212.30953.76904.8143
H92.52542.72991.92122.69233.57272.01420.96122.79563.66033.25012.38482.7985
H102.16641.10053.49672.47202.48062.08604.09152.36213.66031.78393.74654.3094
H112.15851.10222.82463.06552.45192.08423.61622.30953.25011.78392.54073.7374
H122.16502.70981.10513.05862.57833.09712.08503.76902.38483.74652.54071.7736
H132.16643.47641.09572.55912.41773.93282.01514.81432.79854.30943.73741.7736

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 108.184 C1 C2 H10 110.371
C1 C2 H11 109.651 C1 C3 O7 112.805
C1 C3 H12 109.330 C1 C3 H13 109.986
C2 C1 C3 113.035 C2 C1 H4 109.607
C2 C1 H5 108.049 C2 O6 H8 109.045
C3 C1 H4 108.476 C3 C1 H5 109.903
C3 O7 H9 106.346 H4 C1 H5 107.635
O6 C2 H10 110.358 O6 C2 H11 110.107
O7 C3 H12 111.071 O7 C3 H13 106.070
H10 C2 H11 108.169 H12 C3 H13 107.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability