return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-269.476152
Energy at 298.15K-269.486177
Nuclear repulsion energy195.151679
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**
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 3712 27.56      
2 A 3766 3610 138.51      
3 A 3111 2982 30.92      
4 A 3085 2956 56.04      
5 A 3057 2930 32.22      
6 A 3036 2909 46.83      
7 A 2996 2871 63.05      
8 A 2952 2829 82.22      
9 A 1533 1469 2.87      
10 A 1520 1457 1.37      
11 A 1478 1416 80.03      
12 A 1467 1406 26.90      
13 A 1454 1394 5.35      
14 A 1403 1345 1.75      
15 A 1379 1322 0.10      
16 A 1312 1257 28.51      
17 A 1288 1234 3.86      
18 A 1235 1183 10.95      
19 A 1207 1157 61.54      
20 A 1139 1091 29.28      
21 A 1122 1075 87.34      
22 A 1104 1058 51.65      
23 A 977 936 1.47      
24 A 917 878 2.69      
25 A 915 877 12.07      
26 A 830 796 6.54      
27 A 564 540 158.37      
28 A 504 483 3.27      
29 A 390 374 4.18      
30 A 335 321 16.21      
31 A 281 269 74.14      
32 A 212 203 2.37      
33 A 110 106 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 25275.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 24223.9 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 B3PW91/6-31G**
ABC
0.25675 0.13263 0.09654

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.034 1.041 -0.343
C2 1.274 0.474 0.184
C3 -1.269 0.396 0.287
H4 -0.079 0.906 -1.430
H5 -0.039 2.121 -0.146
O6 1.310 -0.924 -0.104
O7 -1.470 -0.936 -0.126
H8 2.067 -1.313 0.347
H9 -0.602 -1.362 -0.069
H10 2.128 0.986 -0.285
H11 1.337 0.646 1.270
H12 -1.191 0.474 1.388
H13 -2.165 0.956 -0.004

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52001.52941.09641.09762.39272.45333.22942.48472.16392.15382.15862.1598
C21.52002.54632.14972.13191.42753.10051.96122.63681.10061.10192.74413.4780
C31.52942.54632.15132.16282.92331.40923.74831.91413.49532.79631.10651.0961
H41.09642.14972.15131.76822.65252.65163.56122.69672.48793.06023.06122.5282
H51.09762.13192.16281.76823.33053.37574.05773.52932.45032.46472.52902.4292
O62.39271.42752.92332.65253.33052.77990.96281.96132.08552.08653.23103.9521
O72.45333.10051.40922.65163.37572.77993.58800.96904.08253.51162.08822.0192
H83.22941.96123.74833.56124.05770.96283.58802.70102.38412.28503.85944.8144
H92.48472.63681.91412.69673.52931.96130.96902.70103.60723.09582.41772.7968
H102.16391.10063.49532.48792.45032.08554.08252.38413.60721.77743.75264.3030
H112.15381.10192.79633.06022.46472.08653.51162.28503.09581.77742.53703.7397
H122.15862.74411.10653.06122.52903.23102.08823.85942.41773.75262.53701.7660
H132.15983.47801.09612.52822.42923.95212.01924.81442.79684.30303.73971.7660

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 108.497 C1 C2 H10 110.302
C1 C2 H11 109.430 C1 C3 O7 113.138
C1 C3 H12 108.897 C1 C3 H13 109.590
C2 C1 C3 113.233 C2 C1 H4 109.429
C2 C1 H5 107.978 C2 O6 H8 108.700
C3 C1 H4 108.908 C3 C1 H5 109.734
C3 O7 H9 105.699 H4 C1 H5 107.396
O6 C2 H10 110.501 O6 C2 H11 110.499
O7 C3 H12 111.647 O7 C3 H13 106.738
H10 C2 H11 107.609 H12 C3 H13 106.596
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.286      
2 C -0.002      
3 C 0.028      
4 H 0.150      
5 H 0.124      
6 O -0.558      
7 O -0.564      
8 H 0.330      
9 H 0.335      
10 H 0.117      
11 H 0.112      
12 H 0.089      
13 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.062 1.284 1.249 3.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.255 -4.451 1.393
y -4.451 -29.884 -1.457
z 1.393 -1.457 -31.374
Traceless
 xyz
x 0.374 -4.451 1.393
y -4.451 0.931 -1.457
z 1.393 -1.457 -1.305
Polar
3z2-r2-2.610
x2-y2-0.371
xy-4.451
xz1.393
yz-1.457


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.531 -0.192 0.130
y -0.192 6.146 0.033
z 0.130 0.033 5.332


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