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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-268.077619
Energy at 298.15K-268.087832
Nuclear repulsion energy194.202737
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/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 3505 3372 2.10      
2 A 3304 3179 176.21      
3 A 3118 3000 26.80      
4 A 3081 2964 62.88      
5 A 3064 2948 36.59      
6 A 3048 2932 38.15      
7 A 3010 2896 45.57      
8 A 2933 2822 92.39      
9 A 1590 1530 9.95      
10 A 1574 1515 1.82      
11 A 1544 1485 109.28      
12 A 1521 1463 6.85      
13 A 1453 1398 6.09      
14 A 1423 1369 5.02      
15 A 1409 1356 1.81      
16 A 1327 1277 21.10      
17 A 1299 1250 2.98      
18 A 1230 1183 31.12      
19 A 1216 1170 22.15      
20 A 1137 1094 19.25      
21 A 1058 1018 74.29      
22 A 1046 1007 8.18      
23 A 962 925 3.08      
24 A 923 888 4.48      
25 A 900 866 31.24      
26 A 814 783 5.52      
27 A 733 705 155.07      
28 A 512 493 3.73      
29 A 381 367 2.11      
30 A 348 335 9.05      
31 A 291 280 95.99      
32 A 278 268 15.09      
33 A 111 107 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 25072.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 24120.1 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/3-21G*
ABC
0.24267 0.13901 0.09792

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.040 1.081 -0.354
C2 1.269 0.501 0.193
C3 -1.270 0.406 0.292
H4 -0.081 0.909 -1.434
H5 -0.050 2.161 -0.166
O6 1.248 -0.945 -0.108
O7 -1.404 -0.977 -0.119
H8 1.992 -1.391 0.375
H9 -0.461 -1.326 -0.114
H10 2.136 0.980 -0.281
H11 1.320 0.672 1.278
H12 -1.189 0.520 1.390
H13 -2.181 0.925 -0.022

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53261.54451.09471.09682.41332.47983.28152.45472.17982.16282.16222.1722
C21.53262.54302.15362.15101.47743.07052.03322.53481.09801.09972.73443.4831
C31.54452.54302.15572.18632.88561.44943.72531.95443.50162.78371.10641.0949
H41.09472.15362.15571.78192.63922.65263.58652.62332.50053.06173.05852.5304
H51.09682.15102.18631.78193.36743.41834.13283.51162.48772.48582.53262.4679
O62.41331.47742.88562.63923.36742.65200.99281.75072.12752.13143.21393.9071
O72.47983.07051.44942.65263.41832.65203.45681.00534.04833.47722.13672.0573
H83.28152.03323.72533.58654.13280.99283.45682.50252.46392.35023.84724.7895
H92.45472.53481.95442.62333.51161.75071.00532.50253.47713.01702.49002.8346
H102.17981.09803.50162.50052.48772.12754.04832.46393.47711.78653.74984.3255
H112.16281.09972.78373.06172.48582.13143.47722.35023.01701.78652.51583.7431
H122.16222.73441.10643.05852.53263.21392.13673.84722.49003.74982.51581.7729
H132.17223.48311.09492.53042.46793.90712.05734.78952.83464.32553.74311.7729

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 106.578 C1 C2 H10 110.831
C1 C2 H11 109.390 C1 C3 O7 111.808
C1 C3 H12 108.164 C1 C3 H13 109.597
C2 C1 C3 111.468 C2 C1 H4 108.964
C2 C1 H5 108.642 C2 O6 H8 109.212
C3 C1 H4 108.328 C3 C1 H5 110.589
C3 O7 H9 104.066 H4 C1 H5 108.800
O6 C2 H10 110.533 O6 C2 H11 110.744
O7 C3 H12 112.757 O7 C3 H13 107.098
H10 C2 H11 108.755 H12 C3 H13 107.293
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.439      
2 C -0.145      
3 C -0.109      
4 H 0.220      
5 H 0.187      
6 O -0.546      
7 O -0.586      
8 H 0.354      
9 H 0.350      
10 H 0.191      
11 H 0.183      
12 H 0.147      
13 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.598 1.516 1.342 4.129
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.360 -5.019 1.579
y -5.019 -30.290 -1.508
z 1.579 -1.508 -31.445
Traceless
 xyz
x 0.507 -5.019 1.579
y -5.019 0.613 -1.508
z 1.579 -1.508 -1.120
Polar
3z2-r2-2.240
x2-y2-0.070
xy-5.019
xz1.579
yz-1.508


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.096 -0.313 0.201
y -0.313 5.817 0.048
z 0.201 0.048 4.745


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