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: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-269.524628
Energy at 298.15K-269.534673
Nuclear repulsion energy195.358502
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3835 3692 17.55      
2 A 3739 3600 101.40      
3 A 3090 2975 42.29      
4 A 3084 2969 57.32      
5 A 3044 2930 52.30      
6 A 3027 2914 35.68      
7 A 2991 2879 70.11      
8 A 2951 2841 84.49      
9 A 1535 1478 3.12      
10 A 1519 1463 1.70      
11 A 1482 1427 96.35      
12 A 1470 1415 8.03      
13 A 1459 1405 5.49      
14 A 1403 1350 0.87      
15 A 1382 1331 0.80      
16 A 1321 1272 32.47      
17 A 1294 1246 2.91      
18 A 1236 1190 13.77      
19 A 1210 1165 70.11      
20 A 1141 1098 26.32      
21 A 1113 1071 81.80      
22 A 1098 1057 57.64      
23 A 971 935 1.64      
24 A 919 884 3.37      
25 A 913 879 14.23      
26 A 828 797 7.78      
27 A 564 543 170.39      
28 A 504 486 3.67      
29 A 391 376 6.03      
30 A 335 323 31.89      
31 A 290 279 78.45      
32 A 212 204 2.27      
33 A 110 106 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 25229.5 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 24288.4 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 B3PW91/6-311G*
ABC
0.25718 0.13311 0.09684

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.028 1.042 -0.340
C2 1.282 0.471 0.168
C3 -1.256 0.400 0.302
H4 -0.088 0.908 -1.426
H5 -0.026 2.121 -0.144
O6 1.290 -0.935 -0.084
O7 -1.480 -0.920 -0.139
H8 2.070 -1.325 0.319
H9 -0.627 -1.372 -0.092
H10 2.131 0.953 -0.336
H11 1.377 0.663 1.248
H12 -1.157 0.444 1.401
H13 -2.153 0.970 0.040

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.51661.52701.09571.09722.38972.44913.23102.49932.16092.15342.15952.1597
C21.51662.54272.14682.12901.42833.10791.96722.66631.09881.10052.73323.4732
C31.52702.54272.14622.16222.90111.40983.74721.92103.49072.81001.10451.0939
H41.09572.14682.14621.76592.66382.63343.56232.69592.47253.05823.05752.5328
H51.09722.12902.16221.76593.32833.37124.06053.54502.46072.45622.54612.4258
O62.38971.42832.90112.66383.32832.77110.96081.96692.08172.08183.17753.9367
O72.44913.10791.40982.63343.37122.77113.60270.96624.07273.54832.08222.0137
H83.23101.96723.74723.56234.06050.96083.60272.72912.37112.30103.83604.8143
H92.49932.66631.92102.69593.54501.96690.96622.72913.61563.15452.40942.7976
H102.16091.09883.49072.47252.46072.08174.07272.37113.61561.77803.75364.3004
H112.15341.10052.81003.05822.45622.08183.54832.30103.15451.77802.54823.7431
H122.15952.73321.10453.05752.54613.17752.08223.83602.40943.75362.54821.7663
H132.15973.47321.09392.53282.42583.93672.01374.81432.79764.30043.74311.7663

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 108.441 C1 C2 H10 110.400
C1 C2 H11 109.717 C1 C3 O7 112.947
C1 C3 H12 109.246 C1 C3 H13 109.880
C2 C1 C3 113.317 C2 C1 H4 109.474
C2 C1 H5 108.002 C2 O6 H8 109.288
C3 C1 H4 108.722 C3 C1 H5 109.879
C3 O7 H9 106.401 H4 C1 H5 107.274
O6 C2 H10 110.243 O6 C2 H11 110.144
O7 C3 H12 111.240 O7 C3 H13 106.399
H10 C2 H11 107.895 H12 C3 H13 106.920
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.503      
2 C -0.196      
3 C -0.184      
4 H 0.235      
5 H 0.215      
6 O -0.605      
7 O -0.575      
8 H 0.407      
9 H 0.405      
10 H 0.209      
11 H 0.200      
12 H 0.179      
13 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.291 1.328 1.281 3.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.626 -4.711 1.188
y -4.711 -30.234 -1.387
z 1.188 -1.387 -31.865
Traceless
 xyz
x 0.423 -4.711 1.188
y -4.711 1.011 -1.387
z 1.188 -1.387 -1.435
Polar
3z2-r2-2.869
x2-y2-0.392
xy-4.711
xz1.188
yz-1.387


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.759 -0.155 0.101
y -0.155 6.359 0.014
z 0.101 0.014 5.592


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