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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-269.489747
Energy at 298.15K-269.499731
Nuclear repulsion energy195.210844
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 B3PW91/6-31G(2df,p)
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 3873 3723 31.22      
2 A 3771 3625 140.08      
3 A 3100 2980 29.18      
4 A 3069 2950 53.89      
5 A 3046 2929 29.21      
6 A 3022 2906 40.86      
7 A 2985 2870 59.08      
8 A 2941 2828 74.81      
9 A 1518 1459 3.08      
10 A 1505 1447 2.82      
11 A 1472 1415 88.11      
12 A 1455 1399 9.56      
13 A 1447 1391 2.28      
14 A 1393 1339 2.14      
15 A 1370 1317 0.08      
16 A 1305 1255 27.88      
17 A 1283 1234 3.73      
18 A 1230 1182 8.28      
19 A 1203 1156 46.01      
20 A 1133 1090 30.04      
21 A 1118 1074 81.88      
22 A 1098 1056 54.19      
23 A 972 935 1.53      
24 A 913 878 12.57      
25 A 909 874 0.90      
26 A 827 795 6.11      
27 A 543 522 128.81      
28 A 498 479 3.74      
29 A 386 371 4.02      
30 A 332 319 11.97      
31 A 276 266 63.89      
32 A 208 200 2.55      
33 A 107 103 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 25153.4 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 24182.5 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 B3PW91/6-31G(2df,p)
ABC
0.25752 0.13218 0.09644

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.038 1.038 -0.346
C2 1.267 0.475 0.195
C3 -1.275 0.394 0.279
H4 -0.072 0.898 -1.433
H5 -0.048 2.118 -0.152
O6 1.325 -0.914 -0.115
O7 -1.466 -0.943 -0.117
H8 2.066 -1.302 0.355
H9 -0.597 -1.361 -0.063
H10 2.124 1.003 -0.250
H11 1.309 0.630 1.285
H12 -1.209 0.486 1.379
H13 -2.172 0.945 -0.028

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52011.52891.09651.09722.39192.45273.22402.47942.16422.15402.15742.1597
C21.52012.54492.14932.13211.42473.09441.95552.62901.10071.10182.74513.4778
C31.52892.54492.15282.15992.93741.40703.74811.91193.49402.78361.10641.0965
H41.09652.14932.15281.76882.64072.65823.55112.69412.49643.06023.06182.5271
H51.09722.13212.15991.76883.32843.37344.05233.52282.44282.47362.52112.4294
O62.39191.42472.93742.64073.32842.79110.95971.97412.08192.08423.25873.9616
O72.45273.09441.40702.65823.37342.79113.58150.96564.08583.48422.08522.0178
H83.22401.95553.74813.55114.05230.95973.58152.69652.38442.27373.87014.8124
H92.47942.62901.91192.69413.52281.97410.96562.69653.60973.06802.42212.7927
H102.16421.10073.49402.49642.44282.08194.08582.38443.60971.77703.74614.3020
H112.15401.10182.78363.06022.47362.08423.48422.27373.06801.77702.52463.7340
H122.15742.74511.10643.06182.52113.25872.08523.87012.42213.74612.52461.7661
H132.15973.47781.09652.52712.42943.96162.01784.81242.79274.30203.73401.7661

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 108.591 C1 C2 H10 110.312
C1 C2 H11 109.450 C1 C3 O7 113.255
C1 C3 H12 108.841 C1 C3 H13 109.596
C2 C1 C3 113.169 C2 C1 H4 109.389
C2 C1 H5 108.013 C2 O6 H8 108.621
C3 C1 H4 109.059 C3 C1 H5 109.573
C3 O7 H9 105.879 H4 C1 H5 107.478
O6 C2 H10 110.397 O6 C2 H11 110.513
O7 C3 H12 111.564 O7 C3 H13 106.758
H10 C2 H11 107.573 H12 C3 H13 106.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.272      
2 C -0.106      
3 C -0.068      
4 H 0.144      
5 H 0.126      
6 O -0.443      
7 O -0.454      
8 H 0.311      
9 H 0.307      
10 H 0.120      
11 H 0.116      
12 H 0.093      
13 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.830 1.210 1.168 3.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.174 -4.223 1.474
y -4.223 -29.942 -1.410
z 1.474 -1.410 -31.141
Traceless
 xyz
x 0.368 -4.223 1.474
y -4.223 0.715 -1.410
z 1.474 -1.410 -1.084
Polar
3z2-r2-2.167
x2-y2-0.231
xy-4.223
xz1.474
yz-1.410


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.825 -0.176 0.096
y -0.176 6.375 0.007
z 0.096 0.007 5.583


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