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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-52.387165
Energy at 298.15K-52.397394
Nuclear repulsion energy112.684564
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 HF/CEP-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 4091 3687 39.66      
2 A 4044 3645 102.31      
3 A 3318 2991 91.94      
4 A 3298 2973 133.25      
5 A 3275 2952 61.47      
6 A 3234 2915 108.58      
7 A 3216 2899 32.88      
8 A 3212 2895 103.29      
9 A 1666 1502 2.35      
10 A 1654 1491 1.02      
11 A 1613 1454 8.90      
12 A 1570 1415 7.38      
13 A 1557 1403 66.76      
14 A 1523 1373 1.97      
15 A 1483 1337 26.15      
16 A 1406 1268 18.10      
17 A 1362 1228 2.36      
18 A 1310 1180 2.20      
19 A 1274 1148 141.23      
20 A 1230 1109 19.00      
21 A 1187 1070 8.04      
22 A 1157 1043 149.69      
23 A 1022 921 6.22      
24 A 998 900 5.06      
25 A 971 875 20.83      
26 A 876 790 12.94      
27 A 576 519 307.84      
28 A 537 484 4.26      
29 A 405 365 9.41      
30 A 345 311 94.13      
31 A 311 281 77.19      
32 A 200 181 5.99      
33 A 117 106 2.03      

Unscaled Zero Point Vibrational Energy (zpe) 27018.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 24354.4 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 HF/CEP-31G
ABC
0.25082 0.13021 0.09467

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 1.056 -0.349
C2 1.322 0.474 0.147
C3 -1.240 0.427 0.336
H4 -0.094 0.909 -1.424
H5 0.002 2.131 -0.159
O6 1.267 -0.970 -0.032
O7 -1.530 -0.894 -0.161
H8 2.083 -1.421 0.177
H9 -0.741 -1.439 -0.180
H10 2.158 0.882 -0.421
H11 1.473 0.696 1.204
H12 -1.100 0.396 1.419
H13 -2.127 1.015 0.126

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53451.54341.08851.09202.41442.48033.28432.60542.17402.17582.18022.1718
C21.53452.56982.15902.14091.45543.17802.04232.83231.08921.09072.73723.4916
C31.54342.56982.15482.16672.89341.44013.80591.99843.51052.86131.09281.0848
H41.08852.15902.15481.76142.70502.62813.56802.73462.46483.06673.05912.5591
H51.09202.14092.16671.76143.35133.39094.13083.64662.50512.46592.59212.4210
O62.41441.45542.89342.70503.35132.80110.95582.06772.09062.08443.09423.9351
O72.48033.17801.44012.62813.39092.80113.66710.95884.10093.66162.08422.0206
H83.28432.04233.80593.56804.13080.95583.66712.84692.38032.43123.87014.8646
H92.60542.83231.99842.73463.64662.06770.95882.84693.72083.37252.45942.8346
H102.17401.08923.51052.46482.50512.09064.10092.38033.72081.77283.77274.3215
H112.17581.09072.86133.06672.46592.08443.66162.43123.37251.77282.59943.7712
H122.18022.73721.09283.05912.59213.09422.08423.87012.45943.77272.59941.7633
H132.17183.49161.08482.55912.42103.93512.02064.86462.83464.32153.77121.7633

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 107.678 C1 C2 H10 110.771
C1 C2 H11 110.819 C1 C3 O7 112.423
C1 C3 H12 110.420 C1 C3 H13 110.230
C2 C1 C3 113.214 C2 C1 H4 109.622
C2 C1 H5 108.011 C2 O6 H8 114.172
C3 C1 H4 108.681 C3 C1 H5 109.407
C3 O7 H9 111.234 H4 C1 H5 107.767
O6 C2 H10 109.649 O6 C2 H11 109.062
O7 C3 H12 109.982 O7 C3 H13 105.448
H10 C2 H11 108.835 H12 C3 H13 108.147
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.060      
2 C -0.080      
3 C -0.077      
4 H 0.110      
5 H 0.089      
6 O -0.649      
7 O -0.594      
8 H 0.387      
9 H 0.416      
10 H 0.126      
11 H 0.102      
12 H 0.090      
13 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.168 2.105 1.250 4.834
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.488 -5.512 0.032
y -5.512 -30.215 -0.857
z 0.032 -0.857 -31.898
Traceless
 xyz
x -0.432 -5.512 0.032
y -5.512 1.477 -0.857
z 0.032 -0.857 -1.046
Polar
3z2-r2-2.092
x2-y2-1.273
xy-5.512
xz0.032
yz-0.857


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.727 -0.277 0.098
y -0.277 5.626 0.110
z 0.098 0.110 4.460


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