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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-267.749418
Energy at 298.15K-267.759607
Nuclear repulsion energy193.676192
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 PBEPBE/3-21G
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 3385 3354 1.36      
2 A 3082 3054 177.59      
3 A 3052 3024 24.54      
4 A 3001 2973 57.53      
5 A 2986 2958 76.29      
6 A 2970 2943 43.50      
7 A 2927 2900 51.54      
8 A 2820 2794 112.83      
9 A 1550 1536 61.77      
10 A 1529 1515 31.98      
11 A 1516 1503 25.06      
12 A 1465 1452 8.87      
13 A 1404 1391 4.21      
14 A 1375 1362 7.75      
15 A 1357 1345 2.84      
16 A 1290 1278 24.47      
17 A 1262 1250 3.05      
18 A 1195 1184 34.95      
19 A 1179 1168 4.89      
20 A 1099 1089 22.71      
21 A 1033 1024 49.34      
22 A 1023 1013 27.84      
23 A 937 928 3.56      
24 A 901 893 4.77      
25 A 878 870 32.47      
26 A 805 797 8.49      
27 A 763 756 126.76      
28 A 497 493 3.39      
29 A 378 374 3.08      
30 A 348 345 6.22      
31 A 293 291 87.53      
32 A 290 287 5.11      
33 A 113 112 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 24350.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 24128.9 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 PBEPBE/3-21G
ABC
0.23955 0.13967 0.09803

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.049 1.085 -0.360
C2 1.255 0.512 0.212
C3 -1.281 0.399 0.280
H4 -0.073 0.903 -1.449
H5 -0.067 2.176 -0.178
O6 1.261 -0.937 -0.134
O7 -1.379 -1.000 -0.106
H8 1.950 -1.389 0.440
H9 -0.400 -1.301 -0.102
H10 2.139 1.018 -0.224
H11 1.264 0.659 1.312
H12 -1.213 0.551 1.387
H13 -2.204 0.902 -0.060

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53491.54891.10421.10612.41992.48603.27972.42602.19322.16832.16642.1837
C21.53492.53922.16182.16081.48913.05312.03622.47481.10811.11022.73403.4917
C31.54892.53922.16872.20102.90131.45363.69591.95223.51192.75851.11971.1053
H41.10422.16182.16871.79872.62542.67043.59352.60402.53083.07733.07702.5441
H51.10612.16082.20101.79873.38453.43704.14203.49432.49172.50882.53102.4913
O62.41991.48912.90132.62543.38452.64131.00451.70152.14432.15353.26383.9239
O72.48603.05311.45362.67043.43702.64133.39611.02424.05713.42712.15892.0737
H83.27972.03623.69593.59354.14201.00453.39612.41392.50342.32853.82964.7704
H92.42602.47481.95222.60403.49431.70151.02422.41393.44112.93462.51212.8481
H102.19321.10813.51192.53082.49172.14434.05712.50343.44111.80413.74854.3478
H112.16831.11022.75853.07732.50882.15353.42712.32852.93461.80412.48063.7376
H122.16642.73401.11973.07702.53103.26382.15893.82962.51213.74852.48061.7887
H132.18373.49171.10532.54412.49133.92392.07374.77042.84814.34783.73761.7887

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 106.294 C1 C2 H10 111.132
C1 C2 H11 109.064 C1 C3 O7 111.744
C1 C3 H12 107.461 C1 C3 H13 109.590
C2 C1 C3 110.857 C2 C1 H4 108.906
C2 C1 H5 108.716 C2 O6 H8 107.898
C3 C1 H4 108.496 C3 C1 H5 110.896
C3 O7 H9 102.592 H4 C1 H5 108.927
O6 C2 H10 110.449 O6 C2 H11 111.054
O7 C3 H12 113.426 O7 C3 H13 107.481
H10 C2 H11 108.836 H12 C3 H13 107.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.468      
2 C -0.203      
3 C -0.162      
4 H 0.234      
5 H 0.202      
6 O -0.505      
7 O -0.551      
8 H 0.353      
9 H 0.337      
10 H 0.207      
11 H 0.198      
12 H 0.154      
13 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.487 1.418 1.404 4.018
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.638 -4.905 2.003
y -4.905 -30.378 -1.700
z 2.003 -1.700 -31.478
Traceless
 xyz
x 0.290 -4.905 2.003
y -4.905 0.680 -1.700
z 2.003 -1.700 -0.970
Polar
3z2-r2-1.940
x2-y2-0.260
xy-4.905
xz2.003
yz-1.700


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.371 -0.274 0.236
y -0.274 6.053 0.035
z 0.236 0.035 4.952


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