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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-269.575780
Energy at 298.15K-269.585789
Nuclear repulsion energy194.488691
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 B3LYP/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 3831 3681 20.85      
2 A 3744 3597 122.70      
3 A 3093 2972 35.50      
4 A 3073 2953 57.16      
5 A 3044 2925 35.67      
6 A 3025 2906 46.79      
7 A 2989 2872 61.61      
8 A 2944 2828 79.12      
9 A 1538 1478 2.77      
10 A 1525 1466 0.75      
11 A 1481 1423 46.36      
12 A 1470 1413 59.60      
13 A 1458 1401 6.13      
14 A 1405 1350 1.69      
15 A 1386 1331 0.13      
16 A 1311 1260 28.03      
17 A 1286 1236 3.19      
18 A 1233 1184 13.61      
19 A 1204 1157 55.18      
20 A 1140 1095 26.42      
21 A 1105 1061 89.93      
22 A 1086 1043 46.92      
23 A 966 928 1.53      
24 A 918 882 1.81      
25 A 913 877 16.68      
26 A 822 790 7.30      
27 A 556 534 155.39      
28 A 507 487 3.11      
29 A 389 373 4.11      
30 A 335 322 15.43      
31 A 279 269 72.37      
32 A 210 202 2.63      
33 A 112 107 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 25188.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 24200.8 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 B3LYP/6-31G**
ABC
0.25519 0.13146 0.09573

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.033 1.044 -0.345
C2 1.280 0.476 0.184
C3 -1.273 0.400 0.289
H4 -0.078 0.906 -1.431
H5 -0.037 2.124 -0.149
O6 1.316 -0.929 -0.103
O7 -1.479 -0.937 -0.127
H8 2.079 -1.316 0.342
H9 -0.614 -1.372 -0.064
H10 2.134 0.986 -0.287
H11 1.345 0.648 1.270
H12 -1.195 0.476 1.390
H13 -2.168 0.960 -0.003

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52441.53391.09631.09782.40152.46273.24062.50042.16792.15912.16312.1637
C21.52442.55552.15322.13511.43473.11581.96932.65801.10011.10142.75223.4863
C31.53392.55552.15512.16572.93561.41563.76611.92303.50382.80611.10601.0959
H41.09632.15322.15511.76872.65962.65853.56892.71092.49123.06393.06442.5322
H51.09782.13512.16571.76873.33923.38414.06873.54422.45472.47022.53422.4321
O62.40151.43472.93562.65963.33922.79520.96521.98042.09022.09093.24063.9640
O72.46273.11581.41562.65853.38412.79523.60950.97034.09623.52702.09232.0225
H83.24061.96933.76613.56894.06870.96523.60952.72462.38702.29323.87654.8312
H92.50042.65801.92302.71093.54421.98040.97032.72463.62763.11392.42172.8032
H102.16791.10013.50382.49122.45472.09024.09622.38703.62761.77763.76104.3108
H112.15911.10142.80613.06392.47022.09093.52702.29323.11391.77762.54783.7492
H122.16312.75221.10603.06442.53423.24062.09233.87652.42173.76102.54781.7669
H132.16373.48631.09592.53222.43213.96402.02254.83122.80324.31083.74921.7669

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 108.459 C1 C2 H10 110.345
C1 C2 H11 109.568 C1 C3 O7 113.160
C1 C3 H12 108.968 C1 C3 H13 109.603
C2 C1 C3 113.361 C2 C1 H4 109.410
C2 C1 H5 107.915 C2 O6 H8 108.710
C3 C1 H4 108.903 C3 C1 H5 109.647
C3 O7 H9 105.897 H4 C1 H5 107.436
O6 C2 H10 110.399 O6 C2 H11 110.375
O7 C3 H12 111.560 O7 C3 H13 106.592
H10 C2 H11 107.694 H12 C3 H13 106.728
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.217      
2 C 0.049      
3 C 0.079      
4 H 0.121      
5 H 0.094      
6 O -0.545      
7 O -0.556      
8 H 0.315      
9 H 0.320      
10 H 0.091      
11 H 0.088      
12 H 0.065      
13 H 0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.038 1.277 1.236 3.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.462 -4.386 1.339
y -4.386 -30.105 -1.443
z 1.339 -1.443 -31.561
Traceless
 xyz
x 0.371 -4.386 1.339
y -4.386 0.907 -1.443
z 1.339 -1.443 -1.278
Polar
3z2-r2-2.555
x2-y2-0.357
xy-4.386
xz1.339
yz-1.443


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.553 -0.213 0.138
y -0.213 6.180 0.030
z 0.138 0.030 5.306


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