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

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-268.851983
Energy at 298.15K-268.862041
Nuclear repulsion energy194.313409
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/6-31+G**
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 3904 3690 30.32      
2 A 3865 3654 108.70      
3 A 3159 2987 42.33      
4 A 3155 2983 36.10      
5 A 3121 2950 50.70      
6 A 3095 2926 19.50      
7 A 3071 2904 53.52      
8 A 3048 2882 59.13      
9 A 1573 1487 1.86      
10 A 1559 1474 0.65      
11 A 1515 1432 10.69      
12 A 1486 1404 31.65      
13 A 1481 1400 47.65      
14 A 1427 1349 2.84      
15 A 1408 1331 1.20      
16 A 1331 1258 24.45      
17 A 1301 1230 3.97      
18 A 1245 1177 10.59      
19 A 1216 1149 63.62      
20 A 1160 1096 30.40      
21 A 1126 1064 5.98      
22 A 1112 1051 127.22      
23 A 980 926 2.48      
24 A 936 885 5.23      
25 A 929 878 9.37      
26 A 838 792 11.23      
27 A 544 514 166.06      
28 A 515 487 3.13      
29 A 394 372 5.50      
30 A 331 313 32.25      
31 A 294 278 73.32      
32 A 209 197 1.96      
33 A 107 101 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 25714.8 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 24310.7 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/6-31+G**
ABC
0.25627 0.13021 0.09540

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 1.036 -0.349
C2 1.299 0.469 0.163
C3 -1.244 0.416 0.317
H4 -0.083 0.889 -1.430
H5 -0.009 2.115 -0.160
O6 1.295 -0.951 -0.075
O7 -1.525 -0.901 -0.147
H8 2.089 -1.340 0.307
H9 -0.699 -1.400 -0.098
H10 2.145 0.933 -0.355
H11 1.398 0.665 1.236
H12 -1.114 0.423 1.408
H13 -2.131 1.006 0.086

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52041.52891.09311.09532.39622.46483.24152.54242.16232.15632.16132.1606
C21.52042.54812.15072.12731.43973.15451.97942.74801.09431.09592.71563.4731
C31.52892.54812.15012.15362.91031.42513.76741.94073.49262.80811.09881.0905
H41.09312.15072.15011.76682.66892.63263.56512.71862.47453.05883.05532.5508
H51.09532.12732.15361.76683.33313.37604.06953.58222.46462.45622.55792.4070
O62.39621.43972.91032.66893.33312.82190.96342.04412.08522.08383.14493.9495
O72.46483.15451.42512.63263.37602.82193.66930.96624.10793.59352.08382.0151
H83.24151.97943.76743.56514.06950.96343.66932.81812.36802.31553.81814.8340
H92.54242.74801.94072.71863.58222.04410.96622.81813.68653.23122.40052.8060
H102.16231.09433.49262.47452.46462.08524.10792.36803.68651.77773.73944.2992
H112.15631.09592.80813.05882.45622.08383.59352.31553.23121.77772.52913.7277
H122.16132.71561.09883.05532.55793.14492.08383.81812.40053.73942.52911.7674
H132.16063.47311.09052.55082.40703.94952.01514.83402.80604.29923.72771.7674

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 108.064 C1 C2 H10 110.523
C1 C2 H11 109.946 C1 C3 O7 113.059
C1 C3 H12 109.583 C1 C3 H13 110.012
C2 C1 C3 113.361 C2 C1 H4 109.677
C2 C1 H5 107.734 C2 O6 H8 109.303
C3 C1 H4 109.042 C3 C1 H5 109.188
C3 O7 H9 106.931 H4 C1 H5 107.679
O6 C2 H10 109.997 O6 C2 H11 109.790
O7 C3 H12 110.642 O7 C3 H13 105.686
H10 C2 H11 108.517 H12 C3 H13 107.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability