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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-266.481740
Energy at 298.15K-266.492096
Nuclear repulsion energy195.419511
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/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 3891 3512 26.37      
2 A 3815 3444 159.59      
3 A 3275 2956 36.81      
4 A 3264 2946 55.85      
5 A 3232 2918 62.10      
6 A 3219 2905 14.31      
7 A 3192 2882 44.00      
8 A 3161 2853 69.41      
9 A 1705 1539 3.28      
10 A 1692 1527 0.42      
11 A 1633 1474 7.66      
12 A 1594 1439 100.55      
13 A 1572 1419 30.88      
14 A 1535 1385 6.68      
15 A 1521 1373 1.07      
16 A 1431 1292 18.20      
17 A 1395 1259 4.18      
18 A 1330 1201 8.47      
19 A 1302 1175 91.70      
20 A 1229 1109 17.63      
21 A 1148 1036 99.72      
22 A 1137 1026 10.83      
23 A 1031 931 4.02      
24 A 992 896 4.11      
25 A 972 877 26.51      
26 A 854 771 7.00      
27 A 682 616 219.33      
28 A 545 492 4.03      
29 A 399 360 4.41      
30 A 354 320 22.11      
31 A 302 273 125.51      
32 A 256 231 13.28      
33 A 110 99 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 26886.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 24267.4 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/3-21G*
ABC
0.24947 0.13784 0.09821

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.025 1.069 -0.347
C2 1.290 0.481 0.162
C3 -1.245 0.412 0.318
H4 -0.097 0.909 -1.415
H5 -0.025 2.137 -0.155
O6 1.232 -0.953 -0.060
O7 -1.445 -0.930 -0.146
H8 2.024 -1.401 0.262
H9 -0.579 -1.367 -0.160
H10 2.131 0.911 -0.369
H11 1.402 0.690 1.220
H12 -1.126 0.447 1.399
H13 -2.140 0.963 0.067

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52811.53721.08251.08472.39852.45993.26662.50502.16252.15392.15622.1573
C21.52812.54102.14342.13771.45283.09282.02262.64791.08361.08472.71463.4648
C31.53722.54102.13852.16532.85341.43413.73861.95883.48172.81061.08781.0803
H41.08252.14342.13851.76072.65922.60973.55602.64372.46153.04023.03252.5250
H51.08472.13772.16531.76073.33703.37944.10913.54702.48912.45372.54682.4292
O62.39851.45282.85342.65923.33702.67780.96501.85982.09322.09033.10583.8800
O72.45993.09281.43412.60973.37942.67783.52420.96994.02833.54942.09392.0277
H83.26662.02263.73863.55604.10910.96503.52422.63692.39882.38313.82484.7919
H92.50502.64791.95882.64373.54701.85980.96992.63693.54653.17192.45302.8134
H102.16251.08363.48172.46152.48912.09324.02832.39883.54651.76243.73524.2936
H112.15391.08472.81063.04022.45372.09033.54942.38313.17191.76242.54623.7350
H122.15622.71461.08783.03252.54683.10582.09393.82482.45303.73522.54621.7518
H132.15733.46481.08032.52502.42923.88002.02774.79192.81344.29363.73501.7518

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 107.124 C1 C2 H10 110.632
C1 C2 H11 109.881 C1 C3 O7 111.714
C1 C3 H12 109.255 C1 C3 H13 109.779
C2 C1 C3 111.981 C2 C1 H4 109.190
C2 C1 H5 108.609 C2 O6 H8 111.976
C3 C1 H4 108.180 C3 C1 H5 110.153
C3 O7 H9 107.562 H4 C1 H5 108.670
O6 C2 H10 110.382 O6 C2 H11 110.078
O7 C3 H12 111.524 O7 C3 H13 106.650
H10 C2 H11 108.738 H12 C3 H13 107.807
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.504      
2 C -0.079      
3 C -0.044      
4 H 0.245      
5 H 0.207      
6 O -0.695      
7 O -0.715      
8 H 0.393      
9 H 0.413      
10 H 0.203      
11 H 0.195      
12 H 0.169      
13 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.862 1.814 1.258 4.448
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.465 -5.284 0.740
y -5.284 -30.304 -1.096
z 0.740 -1.096 -31.658
Traceless
 xyz
x 0.515 -5.284 0.740
y -5.284 0.758 -1.096
z 0.740 -1.096 -1.274
Polar
3z2-r2-2.547
x2-y2-0.162
xy-5.284
xz0.740
yz-1.096


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.586 -0.350 0.111
y -0.350 5.397 0.065
z 0.111 0.065 4.478


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