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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-268.013306
Energy at 298.15K-268.023587
Nuclear repulsion energy195.325283
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 mPW1PW91/3-21G
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 3594 3431 7.84      
2 A 3344 3192 215.04      
3 A 3151 3008 21.83      
4 A 3110 2968 58.94      
5 A 3093 2952 39.47      
6 A 3079 2939 28.76      
7 A 3035 2898 44.37      
8 A 2964 2830 90.38      
9 A 1595 1522 19.18      
10 A 1577 1505 6.54      
11 A 1557 1486 105.96      
12 A 1520 1451 8.46      
13 A 1460 1393 4.09      
14 A 1428 1363 6.26      
15 A 1414 1349 3.34      
16 A 1336 1275 20.99      
17 A 1309 1250 3.09      
18 A 1239 1183 27.01      
19 A 1225 1169 29.37      
20 A 1146 1094 20.61      
21 A 1081 1032 76.10      
22 A 1075 1027 16.32      
23 A 973 929 3.49      
24 A 939 896 2.31      
25 A 915 874 29.04      
26 A 833 795 4.98      
27 A 755 721 161.10      
28 A 515 491 3.82      
29 A 385 368 2.04      
30 A 353 337 9.49      
31 A 292 279 67.44      
32 A 286 273 54.12      
33 A 108 103 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 25341.9 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 24191.4 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 mPW1PW91/3-21G
ABC
0.24479 0.14136 0.09939

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.043 1.077 -0.352
C2 1.259 0.500 0.192
C3 -1.263 0.400 0.292
H4 -0.085 0.905 -1.432
H5 -0.055 2.157 -0.165
O6 1.236 -0.937 -0.106
O7 -1.385 -0.976 -0.120
H8 1.978 -1.386 0.368
H9 -0.441 -1.313 -0.122
H10 2.126 0.978 -0.281
H11 1.308 0.672 1.276
H12 -1.181 0.512 1.389
H13 -2.177 0.915 -0.019

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52551.53691.09431.09602.39942.46333.26632.43362.17302.15482.15502.1659
C21.52552.52682.14732.14571.46763.04402.02502.50471.09721.09912.71793.4682
C31.53692.52682.14852.18052.86291.44133.70131.94473.48592.76691.10541.0941
H41.09432.14732.14851.78142.62702.63603.56982.60052.49413.05493.05152.5245
H51.09602.14572.18051.78143.35383.40344.11933.49132.48272.47852.52722.4629
O62.39941.46762.86292.62703.35382.62170.98721.71892.11902.12263.19023.8849
O72.46333.04401.44132.63603.40342.62173.42241.00254.02113.45212.12852.0524
H83.26632.02503.70133.56984.11930.98723.42242.46872.45542.34683.82354.7651
H92.43362.50471.94472.60053.49131.71891.00252.46873.44402.99212.48162.8264
H102.17301.09723.48592.49412.48272.11904.02112.45543.44401.78573.73384.3119
H112.15481.09912.76693.05492.47852.12263.45212.34682.99211.78572.49663.7264
H122.15502.71791.10543.05152.52723.19022.12853.82352.48163.73382.49661.7712
H132.16593.46821.09412.52452.46293.88492.05244.76512.82644.31193.72641.7712

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 106.557 C1 C2 H10 110.834
C1 C2 H11 109.297 C1 C3 O7 111.569
C1 C3 H12 108.181 C1 C3 H13 109.666
C2 C1 C3 111.195 C2 C1 H4 108.982
C2 C1 H5 108.763 C2 O6 H8 109.602
C3 C1 H4 108.305 C3 C1 H5 110.711
C3 O7 H9 104.011 H4 C1 H5 108.839
O6 C2 H10 110.584 O6 C2 H11 110.766
O7 C3 H12 112.733 O7 C3 H13 107.304
H10 C2 H11 108.791 H12 C3 H13 107.276
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.506      
2 C -0.187      
3 C -0.151      
4 H 0.250      
5 H 0.216      
6 O -0.572      
7 O -0.608      
8 H 0.372      
9 H 0.370      
10 H 0.217      
11 H 0.208      
12 H 0.171      
13 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.690 1.587 1.366 4.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.115 -5.188 1.580
y -5.188 -30.145 -1.506
z 1.580 -1.506 -31.296
Traceless
 xyz
x 0.605 -5.188 1.580
y -5.188 0.560 -1.506
z 1.580 -1.506 -1.166
Polar
3z2-r2-2.331
x2-y20.030
xy-5.188
xz1.580
yz-1.506


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.001 -0.292 0.183
y -0.292 5.710 0.052
z 0.183 0.052 4.722


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