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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-268.830373
Energy at 298.15K-268.840453
Nuclear repulsion energy194.838989
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 3915 3686 22.08      
2 A 3880 3652 102.09      
3 A 3167 2982 33.39      
4 A 3152 2968 51.99      
5 A 3112 2930 65.23      
6 A 3103 2921 16.47      
7 A 3064 2885 56.92      
8 A 3036 2858 65.68      
9 A 1586 1493 2.20      
10 A 1572 1480 0.02      
11 A 1526 1437 11.83      
12 A 1505 1417 59.34      
13 A 1495 1407 39.36      
14 A 1442 1357 2.46      
15 A 1423 1340 0.15      
16 A 1343 1264 29.54      
17 A 1313 1236 3.35      
18 A 1255 1181 15.55      
19 A 1230 1157 59.14      
20 A 1169 1100 30.01      
21 A 1137 1070 12.92      
22 A 1128 1062 107.00      
23 A 992 934 2.03      
24 A 943 888 4.87      
25 A 935 880 8.71      
26 A 844 795 9.35      
27 A 546 514 164.64      
28 A 516 486 5.35      
29 A 396 372 4.66      
30 A 335 316 23.08      
31 A 284 268 75.15      
32 A 218 205 2.93      
33 A 108 102 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 25834.9 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 24320.9 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 QCISD/6-31G**
ABC
0.25681 0.13151 0.09612

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 -0.019 1.039 -0.347
C2 1.294 0.467 0.163
C3 -1.247 0.409 0.314
H4 -0.088 0.889 -1.427
H5 -0.013 2.117 -0.160
O6 1.290 -0.946 -0.081
O7 -1.508 -0.907 -0.146
H8 2.073 -1.328 0.328
H9 -0.669 -1.380 -0.083
H10 2.141 0.940 -0.345
H11 1.390 0.667 1.238
H12 -1.122 0.435 1.407
H13 -2.136 0.996 0.077

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52051.52931.09211.09442.39302.45783.23042.51842.16222.15302.15752.1586
C21.52052.54542.14872.12921.43393.13551.96352.70631.09541.09692.71703.4710
C31.52932.54542.14512.15922.90341.41863.74701.92153.49132.80531.10011.0912
H41.09212.14872.14511.76582.66112.62313.55902.70082.47813.05503.04992.5423
H51.09442.12922.15921.76583.32973.37324.05643.55882.46062.45402.55162.4122
O62.39301.43392.90342.66113.32972.79920.96202.00712.08622.08543.15283.9414
O72.45783.13551.41862.62313.37322.79923.63680.96494.09433.57592.08862.0162
H83.23041.96353.74703.55904.05640.96203.63682.77362.36692.29633.80564.8144
H92.51842.70631.92152.70083.55882.00710.96492.77363.65363.18912.39122.7966
H102.16221.09543.49132.47812.46062.08624.09432.36693.65361.77283.73724.2972
H112.15301.09692.80533.05502.45402.08543.57592.29633.18911.77282.52793.7261
H122.15752.71701.10013.04992.55163.15282.08863.80562.39123.73722.52791.7635
H132.15863.47101.09122.54232.41223.94142.01624.81442.79664.29723.72611.7635

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 108.149 C1 C2 H10 110.442
C1 C2 H11 109.625 C1 C3 O7 112.915
C1 C3 H12 109.182 C1 C3 H13 109.792
C2 C1 C3 113.150 C2 C1 H4 109.567
C2 C1 H5 107.923 C2 O6 H8 108.467
C3 C1 H4 108.681 C3 C1 H5 109.654
C3 O7 H9 105.869 H4 C1 H5 107.728
O6 C2 H10 110.425 O6 C2 H11 110.269
O7 C3 H12 111.408 O7 C3 H13 106.168
H10 C2 H11 107.933 H12 C3 H13 107.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability