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

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-267.034824
Energy at 298.15K-267.044964
Nuclear repulsion energy192.697449
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/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 3513 3376 1.20      
2 A 3469 3334 110.21      
3 A 3099 2979 23.30      
4 A 3071 2951 48.72      
5 A 3044 2926 31.65      
6 A 3032 2914 34.34      
7 A 2996 2880 38.14      
8 A 2949 2834 68.41      
9 A 1603 1541 4.47      
10 A 1591 1529 0.29      
11 A 1542 1482 25.16      
12 A 1532 1473 86.46      
13 A 1469 1412 5.94      
14 A 1435 1380 3.65      
15 A 1418 1363 1.63      
16 A 1338 1286 23.92      
17 A 1304 1253 2.76      
18 A 1238 1190 38.05      
19 A 1226 1178 16.54      
20 A 1148 1104 19.03      
21 A 1056 1015 65.21      
22 A 1048 1007 4.17      
23 A 962 925 3.38      
24 A 923 888 5.24      
25 A 903 867 24.58      
26 A 802 771 5.80      
27 A 683 656 178.51      
28 A 508 488 4.07      
29 A 375 361 2.08      
30 A 338 325 11.88      
31 A 290 278 100.42      
32 A 263 252 13.85      
33 A 104 100 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 25135.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 24157.6 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/3-21G*
ABC
0.24111 0.13508 0.09597

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 1.080 -0.360
C2 1.300 0.489 0.177
C3 -1.258 0.427 0.316
H4 -0.084 0.894 -1.440
H5 -0.017 2.167 -0.184
O6 1.245 -0.971 -0.088
O7 -1.460 -0.951 -0.137
H8 2.011 -1.410 0.362
H9 -0.549 -1.352 -0.125
H10 2.166 0.944 -0.329
H11 1.377 0.685 1.260
H12 -1.138 0.496 1.415
H13 -2.167 0.980 0.043

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.54301.55381.09831.10072.42512.49983.29382.49992.19142.17512.17692.1856
C21.54302.56272.16682.16301.48523.12952.03652.62681.10151.10312.73443.5036
C31.55382.56272.16352.19452.89531.46533.75051.96563.52282.81081.10731.0978
H41.09832.16682.16351.78952.65932.64523.59812.64412.51063.07703.06932.5577
H51.10072.16302.19451.78953.38323.43624.14783.55922.50662.49432.56992.4659
O62.42511.48522.89532.65933.38322.70560.99141.83402.13902.13973.17633.9317
O72.49983.12951.46532.64523.43622.70563.53720.99584.09673.56112.14652.0639
H83.29382.03653.75053.59814.14780.99143.53722.60662.45832.36643.82884.8235
H92.49992.62681.96562.64413.55921.83400.99582.60663.56203.12702.47642.8428
H102.19141.10153.52282.51062.50662.13904.09672.45833.56201.79243.76304.3489
H112.17511.10312.81083.07702.49432.13973.56112.36643.12701.79242.52703.7583
H122.17692.73441.10733.06932.56993.17632.14653.82882.47643.76302.52701.7819
H132.18563.50361.09782.55772.46593.93172.06394.82352.84284.34893.75831.7819

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 106.407 C1 C2 H10 110.819
C1 C2 H11 109.451 C1 C3 O7 111.752
C1 C3 H12 108.614 C1 C3 H13 109.832
C2 C1 C3 111.687 C2 C1 H4 109.080
C2 C1 H5 108.646 C2 O6 H8 109.002
C3 C1 H4 108.097 C3 C1 H5 110.354
C3 O7 H9 104.386 H4 C1 H5 108.931
O6 C2 H10 110.695 O6 C2 H11 110.660
O7 C3 H12 112.351 O7 C3 H13 106.379
H10 C2 H11 108.795 H12 C3 H13 107.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability