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

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-267.967076
Energy at 298.15K-267.977170
Nuclear repulsion energy192.377704
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 BLYP/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 3328 3306 1.62      
2 A 3100 3080 146.37      
3 A 3033 3014 30.34      
4 A 2990 2970 73.86      
5 A 2976 2956 49.68      
6 A 2957 2938 48.01      
7 A 2921 2902 51.35      
8 A 2818 2799 110.21      
9 A 1551 1541 12.91      
10 A 1534 1524 5.14      
11 A 1515 1505 91.30      
12 A 1483 1473 5.95      
13 A 1408 1399 6.93      
14 A 1382 1373 5.18      
15 A 1366 1357 1.13      
16 A 1290 1282 23.40      
17 A 1260 1252 3.00      
18 A 1195 1187 35.93      
19 A 1177 1170 4.53      
20 A 1098 1091 19.17      
21 A 1011 1005 59.98      
22 A 995 989 7.07      
23 A 931 925 3.05      
24 A 886 880 10.42      
25 A 861 855 32.78      
26 A 783 778 5.76      
27 A 732 728 132.04      
28 A 497 493 3.36      
29 A 372 370 2.11      
30 A 340 338 6.07      
31 A 284 282 85.92      
32 A 274 272 2.38      
33 A 115 114 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 24230.5 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 24073.0 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 BLYP/3-21G*
ABC
0.23744 0.13663 0.09617

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.041 1.090 -0.360
C2 1.273 0.510 0.207
C3 -1.286 0.409 0.286
H4 -0.071 0.913 -1.447
H5 -0.053 2.179 -0.175
O6 1.270 -0.951 -0.129
O7 -1.410 -0.995 -0.110
H8 1.975 -1.398 0.436
H9 -0.443 -1.323 -0.096
H10 2.152 1.007 -0.244
H11 1.299 0.664 1.304
H12 -1.215 0.550 1.391
H13 -2.202 0.922 -0.050

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.54391.55811.10211.10472.43702.50623.29922.46032.19842.17812.17622.1895
C21.54392.56162.16852.16521.49973.09262.04592.52921.10611.10782.75603.5090
C31.55812.56162.17502.20502.92501.46423.73061.96443.52952.78941.11681.1031
H41.10212.16852.17501.79492.64762.68663.61492.63842.52973.08293.08182.5483
H51.10472.16522.20501.79493.39873.45214.15663.52462.49882.51192.54112.4927
O62.43701.49972.92502.64763.39872.68091.00731.75322.15052.15903.27773.9467
O72.50623.09261.46422.68663.45212.68093.45221.02194.08853.47702.16322.0753
H83.29922.04593.73063.61494.15661.00733.45222.47632.50502.33653.85784.8029
H92.46032.52921.96442.63843.52461.75321.02192.47633.49072.99022.51392.8535
H102.19841.10613.52952.52972.49882.15054.08852.50503.49071.80043.77164.3601
H112.17811.10782.78943.08292.51192.15903.47702.33652.99021.80042.51833.7630
H122.17622.75601.11683.08182.54113.27772.16323.85782.51393.77162.51831.7866
H132.18953.50901.10312.54832.49273.94672.07534.80292.85354.36013.76301.7866

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 106.391 C1 C2 H10 111.040
C1 C2 H11 109.349 C1 C3 O7 112.005
C1 C3 H12 107.749 C1 C3 H13 109.541
C2 C1 C3 111.341 C2 C1 H4 108.935
C2 C1 H5 108.533 C2 O6 H8 107.773
C3 C1 H4 108.478 C3 C1 H5 110.654
C3 O7 H9 102.947 H4 C1 H5 108.853
O6 C2 H10 110.324 O6 C2 H11 110.901
O7 C3 H12 113.194 O7 C3 H13 107.029
H10 C2 H11 108.825 H12 C3 H13 107.184
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 C -0.151      
3 C -0.112      
4 H 0.203      
5 H 0.172      
6 O -0.491      
7 O -0.539      
8 H 0.335      
9 H 0.322      
10 H 0.179      
11 H 0.172      
12 H 0.132      
13 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.410 1.395 1.380 3.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.767 -4.749 1.881
y -4.749 -30.434 -1.664
z 1.881 -1.664 -31.534
Traceless
 xyz
x 0.216 -4.749 1.881
y -4.749 0.717 -1.664
z 1.881 -1.664 -0.933
Polar
3z2-r2-1.866
x2-y2-0.334
xy-4.749
xz1.881
yz-1.664


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.404 -0.296 0.248
y -0.296 6.113 0.030
z 0.248 0.030 4.925


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