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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-52.397566
Energy at 298.15K-52.407832
Nuclear repulsion energy112.909704
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 HF/CEP-121G
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 4056 3701 30.99      
2 A 3999 3649 94.00      
3 A 3259 2974 69.82      
4 A 3236 2953 92.14      
5 A 3213 2932 51.83      
6 A 3170 2893 71.04      
7 A 3151 2875 35.00      
8 A 3148 2872 73.32      
9 A 1664 1519 2.28      
10 A 1653 1508 1.49      
11 A 1612 1471 7.20      
12 A 1565 1428 6.68      
13 A 1554 1418 79.82      
14 A 1520 1387 1.38      
15 A 1486 1356 20.50      
16 A 1407 1284 20.85      
17 A 1363 1244 2.86      
18 A 1311 1196 2.71      
19 A 1273 1161 134.10      
20 A 1230 1123 20.31      
21 A 1185 1081 8.13      
22 A 1158 1057 148.36      
23 A 1019 930 5.58      
24 A 995 908 6.59      
25 A 972 887 21.28      
26 A 872 796 13.16      
27 A 582 531 258.00      
28 A 537 490 9.54      
29 A 406 370 9.72      
30 A 340 311 62.42      
31 A 302 276 108.75      
32 A 201 183 6.88      
33 A 118 107 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 26777.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 24434.7 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 HF/CEP-121G
ABC
0.25151 0.13071 0.09491

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 1.053 -0.346
C2 1.316 0.478 0.147
C3 -1.244 0.423 0.331
H4 -0.097 0.913 -1.419
H5 -0.007 2.125 -0.154
O6 1.274 -0.964 -0.034
O7 -1.519 -0.901 -0.158
H8 2.086 -1.408 0.185
H9 -0.724 -1.430 -0.177
H10 2.146 0.894 -0.417
H11 1.464 0.700 1.202
H12 -1.111 0.402 1.412
H13 -2.130 1.005 0.113

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53091.53891.08551.08882.41402.47433.27902.58812.16752.16922.17212.1653
C21.53092.56722.15352.13401.45383.16742.03712.81141.08671.08812.73773.4859
C31.53892.56722.14922.15952.89811.43853.80371.99053.50372.85821.09001.0820
H41.08552.15352.14921.75462.70562.62793.56712.72472.45663.05793.05072.5474
H51.08882.13402.15951.75463.34643.38354.12033.62662.49412.45592.57682.4151
O62.41401.45382.89812.70563.34642.79650.95142.05642.08792.08183.10593.9352
O72.47433.16741.43852.62793.38352.79653.65730.95494.08963.64872.08162.0204
H83.27902.03713.80373.56714.12030.95143.65732.83402.37942.42183.87404.8586
H92.58812.81141.99052.72473.62662.05640.95492.83403.70053.35042.45632.8267
H102.16751.08673.50372.45662.49412.08794.08962.37943.70051.76753.76774.3101
H112.16921.08812.85823.05792.45592.08183.64872.42183.35041.76752.60033.7674
H122.17212.73771.09003.05072.57683.10592.08163.87402.45633.76772.60031.7580
H132.16533.48591.08202.54742.41513.93522.02044.85862.82674.31013.76741.7580

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 107.927 C1 C2 H10 110.650
C1 C2 H11 110.704 C1 C3 O7 112.363
C1 C3 H12 110.260 C1 C3 H13 110.196
C2 C1 C3 113.498 C2 C1 H4 109.617
C2 C1 H5 107.900 C2 O6 H8 114.134
C3 C1 H4 108.727 C3 C1 H5 109.333
C3 O7 H9 110.922 H4 C1 H5 107.602
O6 C2 H10 109.694 O6 C2 H11 109.120
O7 C3 H12 110.068 O7 C3 H13 105.700
H10 C2 H11 108.726 H12 C3 H13 108.080
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.273      
2 C -0.032      
3 C -0.013      
4 H 0.158      
5 H 0.131      
6 O -0.670      
7 O -0.613      
8 H 0.390      
9 H 0.409      
10 H 0.133      
11 H 0.129      
12 H 0.105      
13 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.056 2.065 1.203 4.708
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.277 -5.487 0.127
y -5.487 -30.418 -0.943
z 0.127 -0.943 -32.153
Traceless
 xyz
x 0.008 -5.487 0.127
y -5.487 1.297 -0.943
z 0.127 -0.943 -1.305
Polar
3z2-r2-2.610
x2-y2-0.859
xy-5.487
xz0.127
yz-0.943


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.107 -0.237 0.069
y -0.237 6.053 0.103
z 0.069 0.103 5.172


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000