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

using model chemistry: QCISD/6-31G

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/6-31G
 hartrees
Energy at 0K-268.413859
Energy at 298.15K-268.423872
Nuclear repulsion energy191.700399
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/6-31G
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 3523 7.34      
2 A 3612 3481 64.60      
3 A 3080 2968 44.97      
4 A 3070 2958 36.68      
5 A 3031 2921 52.78      
6 A 3008 2898 23.32      
7 A 2986 2877 39.39      
8 A 2965 2857 58.97      
9 A 1573 1515 1.99      
10 A 1560 1504 0.39      
11 A 1528 1472 5.71      
12 A 1476 1423 73.90      
13 A 1459 1406 22.95      
14 A 1423 1371 0.48      
15 A 1411 1360 1.46      
16 A 1321 1273 21.59      
17 A 1282 1236 2.15      
18 A 1217 1173 2.27      
19 A 1214 1170 65.09      
20 A 1150 1108 15.14      
21 A 1085 1045 13.98      
22 A 1046 1008 85.58      
23 A 941 907 2.92      
24 A 924 890 10.56      
25 A 901 869 18.89      
26 A 815 785 15.70      
27 A 577 556 227.01      
28 A 511 492 3.18      
29 A 381 367 5.07      
30 A 327 315 38.40      
31 A 288 277 110.52      
32 A 214 206 9.40      
33 A 110 106 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 25069.9 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 24157.4 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/6-31G
ABC
0.24410 0.13004 0.09381

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 1.065 -0.350
C2 1.325 0.482 0.147
C3 -1.244 0.437 0.337
H4 -0.098 0.906 -1.438
H5 0.007 2.157 -0.170
O6 1.261 -0.987 -0.046
O7 -1.529 -0.913 -0.161
H8 2.085 -1.420 0.253
H9 -0.689 -1.422 -0.143
H10 2.174 0.902 -0.420
H11 1.468 0.709 1.220
H12 -1.101 0.431 1.436
H13 -2.147 1.023 0.113

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53761.54701.10291.10642.43192.50213.30492.58672.18972.18502.18872.1894
C21.53762.57592.17162.15431.48253.19112.05112.78631.10441.10622.74793.5141
C31.54702.57592.16392.18582.90681.46693.81291.99843.53152.86531.10861.0996
H41.10292.17162.16391.78442.71402.64293.61002.72822.48973.09163.08132.5733
H51.10642.15432.18581.78443.38653.43234.15803.64552.51662.48282.60552.4512
O62.43191.48252.90682.71403.38652.79350.97762.00072.13072.12603.12853.9601
O72.50213.19111.46692.64293.43232.79353.67280.98214.13193.67702.13032.0504
H83.30492.05113.81293.61004.15800.97763.67282.80232.41902.41833.87044.8889
H92.58672.78631.99842.72823.64552.00070.98212.80233.69793.32452.46882.8579
H102.18971.10443.53152.48972.51662.13074.13192.41903.69791.79623.79464.3562
H112.18501.10622.86533.09162.48282.12603.67702.41833.32451.79622.59393.7943
H122.18872.74791.10863.08132.60553.12852.13033.87042.46883.79462.59391.7872
H132.18943.51411.09962.57332.45123.96012.05044.88892.85794.35623.79431.7872

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 107.251 C1 C2 H10 110.881
C1 C2 H11 110.406 C1 C3 O7 112.210
C1 C3 H12 109.907 C1 C3 H13 110.493
C2 C1 C3 113.246 C2 C1 H4 109.550
C2 C1 H5 108.023 C2 O6 H8 111.311
C3 C1 H4 108.324 C3 C1 H5 109.820
C3 O7 H9 107.735 H4 C1 H5 107.740
O6 C2 H10 110.040 O6 C2 H11 109.564
O7 C3 H12 110.847 O7 C3 H13 105.158
H10 C2 H11 108.687 H12 C3 H13 108.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability