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All results from a given calculation for C3H8O2 (Propylene glycol)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-266.036254
Energy at 298.15K-266.046066
Nuclear repulsion energy191.889116
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 B3LYP/STO-3G
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 3709 3310 21.59      
2 A 3484 3109 1.42      
3 A 3477 3103 2.10      
4 A 3424 3056 1.80      
5 A 3407 3041 108.70      
6 A 3308 2952 1.41      
7 A 3299 2944 5.89      
8 A 3208 2863 32.20      
9 A 1740 1553 95.69      
10 A 1684 1503 5.23      
11 A 1674 1494 6.07      
12 A 1638 1461 0.46      
13 A 1561 1393 6.91      
14 A 1550 1383 13.60      
15 A 1482 1322 12.05      
16 A 1437 1283 7.77      
17 A 1401 1250 4.87      
18 A 1274 1137 10.47      
19 A 1223 1091 6.17      
20 A 1164 1039 2.99      
21 A 1141 1018 1.95      
22 A 1110 990 22.76      
23 A 995 888 5.54      
24 A 972 868 10.63      
25 A 882 787 6.77      
26 A 857 764 51.06      
27 A 589 525 4.77      
28 A 474 423 43.27      
29 A 463 413 28.95      
30 A 420 375 9.03      
31 A 311 277 2.14      
32 A 199 177 0.07      
33 A 112 100 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 26832.9 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 23945.6 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 B3LYP/STO-3G
ABC
0.27746 0.12007 0.09207

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.189 1.402 -0.100
H2 0.830 1.235 -0.267
O3 1.880 -0.057 -0.163
H4 2.182 0.025 0.815
C5 0.667 -0.900 -0.046
H6 0.475 -1.296 -1.063
H7 0.809 -1.751 0.653
C8 -0.518 0.068 0.401
H9 -0.566 0.059 1.521
C10 -1.903 -0.411 -0.144
H11 -1.894 -0.441 -1.244
H12 -2.143 -1.416 0.238
H13 -2.693 0.284 0.179

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O11.04662.53312.89082.45732.94043.39191.46202.13802.49502.75873.44512.7555
H21.04661.66812.11222.15262.67623.12411.90362.55443.19253.34394.01443.6757
O32.53311.66811.02721.48152.07782.16372.46692.97173.79963.94424.26454.5981
H42.89082.11221.02721.97262.86102.25082.73212.83704.21864.59004.59454.9226
C52.45732.15261.48151.97261.10811.10961.59492.21242.61852.86472.87083.5699
H62.94042.67622.07782.86101.10811.80612.23353.09722.69832.52452.92513.7512
H73.39193.12412.16372.25081.10961.80612.26612.43313.12813.55222.99914.0776
C81.46201.90362.46692.73211.59492.23352.26611.12091.56332.20382.20622.1962
H92.13802.55442.97172.83702.21243.09722.43311.12092.18643.10762.51132.5245
C102.49503.19253.79964.21862.61852.69833.12811.56332.18641.10051.10141.1006
H112.75873.34393.94424.59002.86472.52453.55222.20383.10761.10051.79121.7862
H123.44514.01444.26454.59452.87082.92512.99912.20622.51131.10141.79121.7879
H132.75553.67574.59814.92263.56993.75124.07762.19622.52451.10061.78621.7879

picture of Propylene glycol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C8 C5 106.920 O1 C8 H9 111.048
O1 C8 C10 111.069 H2 O1 C8 97.341
O3 C5 H6 105.807 O3 C5 H7 112.446
O3 C5 C8 106.563 H4 O3 C5 102.159
C5 C8 H9 107.831 C5 C8 C10 112.008
H6 C5 H7 109.051 H6 C5 C8 110.142
H7 C5 C8 112.598 C8 C10 H11 110.442
C8 C10 H12 110.571 C8 C10 H13 109.840
H9 C8 C10 107.947 H11 C10 H12 108.880
H11 C10 H13 108.484 H12 C10 H13 108.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.282      
2 H 0.167      
3 O -0.230      
4 H 0.188      
5 C -0.067      
6 H 0.085      
7 H 0.073      
8 C 0.019      
9 H 0.047      
10 C -0.224      
11 H 0.075      
12 H 0.070      
13 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.986 -1.905 1.272 2.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.168 1.183 2.555
y 1.183 -31.010 0.054
z 2.555 0.054 -27.863
Traceless
 xyz
x 1.268 1.183 2.555
y 1.183 -2.995 0.054
z 2.555 0.054 1.726
Polar
3z2-r23.452
x2-y22.842
xy1.183
xz2.555
yz0.054


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.978 0.260 0.137
y 0.260 3.187 -0.099
z 0.137 -0.099 2.947


<r2> (average value of r2) Å2
<r2> 132.618
(<r2>)1/2 11.516