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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-267.982739
Energy at 298.15K-267.992983
Nuclear repulsion energy194.881396
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 B3PW91/3-21G*
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 3558 3413 5.37      
2 A 3306 3172 212.25      
3 A 3131 3004 23.27      
4 A 3088 2962 60.94      
5 A 3072 2947 39.05      
6 A 3057 2932 34.77      
7 A 3014 2892 46.29      
8 A 2938 2818 94.83      
9 A 1587 1522 19.84      
10 A 1569 1505 7.98      
11 A 1550 1487 101.68      
12 A 1512 1451 8.14      
13 A 1451 1392 4.12      
14 A 1419 1361 6.39      
15 A 1405 1348 3.02      
16 A 1328 1274 21.50      
17 A 1301 1248 3.06      
18 A 1232 1182 30.01      
19 A 1218 1168 23.82      
20 A 1138 1092 20.55      
21 A 1071 1027 73.26      
22 A 1063 1020 17.13      
23 A 966 927 3.42      
24 A 931 893 2.64      
25 A 908 871 30.01      
26 A 825 792 5.01      
27 A 754 723 156.91      
28 A 511 491 3.72      
29 A 384 368 2.40      
30 A 350 336 9.39      
31 A 292 280 99.70      
32 A 285 273 17.39      
33 A 109 105 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 25159.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 24138.4 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 B3PW91/3-21G*
ABC
0.24369 0.14063 0.09887

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.045 1.079 -0.353
C2 1.259 0.502 0.196
C3 -1.269 0.400 0.288
H4 -0.082 0.909 -1.435
H5 -0.059 2.160 -0.164
O6 1.245 -0.937 -0.111
O7 -1.385 -0.982 -0.116
H8 1.981 -1.384 0.377
H9 -0.436 -1.312 -0.118
H10 2.128 0.988 -0.270
H11 1.301 0.670 1.284
H12 -1.194 0.521 1.386
H13 -2.184 0.912 -0.033

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52811.53981.09591.09772.40542.46993.27132.43432.17652.15832.15802.1691
C21.52812.53232.15042.14861.47173.04872.02732.50281.09911.10092.72713.4749
C31.53982.53232.15342.18382.87551.44423.70851.94693.49282.77011.10761.0960
H41.09592.15042.15341.78352.63052.64843.57692.60642.49943.05953.05732.5265
H51.09772.14862.18381.78353.36083.41114.12473.49322.48352.48372.52592.4681
O62.40541.47172.87552.63053.36082.63080.98981.72232.12372.12823.21243.8962
O72.46993.04871.44422.64843.41112.63083.42591.00544.03103.45042.13362.0567
H83.27132.02733.70853.57694.12470.98983.42592.46802.46272.34503.83794.7730
H92.43432.50281.94692.60643.49321.72231.00542.46803.44782.98492.48982.8299
H102.17651.09913.49282.49942.48352.12374.03102.46273.44781.78823.74164.3190
H112.15831.10092.77013.05952.48372.12823.45042.34502.98491.78822.50243.7335
H122.15802.72711.10763.05732.52593.21242.13363.83792.48983.74162.50241.7737
H132.16913.47491.09602.52652.46813.89622.05674.77302.82994.31903.73351.7737

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 106.604 C1 C2 H10 110.821
C1 C2 H11 109.286 C1 C3 O7 111.687
C1 C3 H12 108.092 C1 C3 H13 109.611
C2 C1 C3 111.264 C2 C1 H4 108.965
C2 C1 H5 108.713 C2 O6 H8 109.336
C3 C1 H4 108.398 C3 C1 H5 110.662
C3 O7 H9 103.826 H4 C1 H5 108.791
O6 C2 H10 110.562 O6 C2 H11 110.815
O7 C3 H12 112.797 O7 C3 H13 107.333
H10 C2 H11 108.742 H12 C3 H13 107.200
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.495      
2 C -0.186      
3 C -0.149      
4 H 0.245      
5 H 0.212      
6 O -0.562      
7 O -0.599      
8 H 0.369      
9 H 0.365      
10 H 0.214      
11 H 0.205      
12 H 0.167      
13 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.658 1.568 1.370 4.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.157 -5.158 1.668
y -5.158 -30.181 -1.539
z 1.668 -1.539 -31.305
Traceless
 xyz
x 0.586 -5.158 1.668
y -5.158 0.550 -1.539
z 1.668 -1.539 -1.136
Polar
3z2-r2-2.272
x2-y20.024
xy-5.158
xz1.668
yz-1.539


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.065 -0.292 0.191
y -0.292 5.773 0.051
z 0.191 0.051 4.767


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