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: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-269.508574
Energy at 298.15K-269.518631
Nuclear repulsion energy195.592597
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 mPW1PW91/6-31G**
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 3906 3717 31.12      
2 A 3802 3618 141.41      
3 A 3131 2979 29.65      
4 A 3105 2955 54.30      
5 A 3077 2927 34.05      
6 A 3058 2909 42.53      
7 A 3016 2870 61.48      
8 A 2975 2830 80.03      
9 A 1542 1467 2.95      
10 A 1529 1455 1.45      
11 A 1486 1414 83.61      
12 A 1477 1405 23.94      
13 A 1464 1393 6.18      
14 A 1413 1344 1.74      
15 A 1387 1320 0.15      
16 A 1320 1256 28.89      
17 A 1296 1234 4.42      
18 A 1243 1182 9.66      
19 A 1214 1155 67.74      
20 A 1147 1091 33.03      
21 A 1135 1079 81.63      
22 A 1117 1063 51.32      
23 A 986 938 1.50      
24 A 923 878 9.72      
25 A 922 877 4.25      
26 A 838 797 6.38      
27 A 565 537 159.86      
28 A 507 483 3.29      
29 A 392 373 4.16      
30 A 337 321 17.29      
31 A 284 270 74.99      
32 A 216 206 2.42      
33 A 110 105 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 25458.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 24223.8 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 mPW1PW91/6-31G**
ABC
0.25781 0.13335 0.09705

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.033 1.040 -0.343
C2 1.273 0.472 0.182
C3 -1.265 0.395 0.289
H4 -0.080 0.903 -1.428
H5 -0.037 2.118 -0.147
O6 1.303 -0.923 -0.101
O7 -1.467 -0.932 -0.128
H8 2.062 -1.313 0.341
H9 -0.602 -1.360 -0.073
H10 2.126 0.979 -0.290
H11 1.339 0.647 1.266
H12 -1.183 0.469 1.388
H13 -2.160 0.956 0.004

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.51761.52681.09491.09602.38692.44753.22342.48152.16052.15032.15522.1563
C21.51762.54082.14642.12931.42373.09411.95772.63411.09881.10022.73613.4712
C31.52682.54082.14732.15972.91251.40583.73941.91103.48872.79161.10461.0944
H41.09492.14642.14731.76632.64762.64263.55352.68962.48333.05543.05582.5255
H51.09602.12932.15971.76633.32383.36864.05143.52492.44892.46022.52772.4245
O62.38691.42372.91252.64763.32382.77020.96061.95512.08112.08183.21483.9413
O72.44753.09411.40582.64263.36862.77023.58000.96664.07273.50802.08362.0154
H83.22341.95773.73943.55354.05140.96063.58002.69642.37792.28423.84674.8044
H92.48152.63411.91102.68963.52491.95510.96662.69643.60043.09642.41212.7924
H102.16051.09883.48872.48332.44892.08114.07272.37793.60041.77503.74494.2958
H112.15031.10022.79163.05542.46022.08183.50802.28423.09641.77502.53063.7320
H122.15522.73611.10463.05582.52773.21482.08363.84672.41213.74492.53061.7635
H132.15633.47121.09442.52552.42453.94132.01544.80442.79244.29583.73201.7635

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 108.444 C1 C2 H10 110.311
C1 C2 H11 109.419 C1 C3 O7 113.076
C1 C3 H12 108.915 C1 C3 H13 109.591
C2 C1 C3 113.142 C2 C1 H4 109.427
C2 C1 H5 108.032 C2 O6 H8 108.834
C3 C1 H4 108.859 C3 C1 H5 109.772
C3 O7 H9 105.827 H4 C1 H5 107.453
O6 C2 H10 110.523 O6 C2 H11 110.490
O7 C3 H12 111.632 O7 C3 H13 106.763
H10 C2 H11 107.650 H12 C3 H13 106.636
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 C -0.004      
3 C 0.026      
4 H 0.154      
5 H 0.128      
6 O -0.563      
7 O -0.569      
8 H 0.331      
9 H 0.337      
10 H 0.121      
11 H 0.116      
12 H 0.092      
13 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.079 1.293 1.244 3.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.213 -4.462 1.349
y -4.462 -29.846 -1.431
z 1.349 -1.431 -31.354
Traceless
 xyz
x 0.387 -4.462 1.349
y -4.462 0.938 -1.431
z 1.349 -1.431 -1.325
Polar
3z2-r2-2.650
x2-y2-0.367
xy-4.462
xz1.349
yz-1.431


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.467 -0.191 0.124
y -0.191 6.085 0.033
z 0.124 0.033 5.290


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