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

using model chemistry: B3LYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-269.582714
Energy at 298.15K-269.592590
Nuclear repulsion energy194.594580
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/cc-pVDZ
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 3736 3624 12.72      
2 A 3703 3592 47.27      
3 A 3119 3026 18.50      
4 A 3094 3001 45.16      
5 A 3065 2973 29.39      
6 A 3052 2961 20.00      
7 A 3021 2930 16.45      
8 A 2912 2825 80.30      
9 A 1483 1438 3.70      
10 A 1468 1424 2.65      
11 A 1464 1420 14.47      
12 A 1439 1395 58.73      
13 A 1418 1375 49.82      
14 A 1389 1348 7.12      
15 A 1374 1332 10.17      
16 A 1310 1271 6.61      
17 A 1296 1257 8.12      
18 A 1204 1168 24.14      
19 A 1162 1127 26.44      
20 A 1107 1073 6.77      
21 A 1100 1067 130.37      
22 A 1067 1035 43.74      
23 A 925 898 9.85      
24 A 920 893 2.65      
25 A 832 807 25.74      
26 A 552 535 133.38      
27 A 519 503 29.24      
28 A 465 451 3.61      
29 A 381 369 40.61      
30 A 348 337 20.70      
31 A 253 245 3.83      
32 A 237 230 0.37      
33 A 153 149 8.28      

Unscaled Zero Point Vibrational Energy (zpe) 24782.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 24038.8 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/cc-pVDZ
ABC
0.27945 0.12169 0.09293

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.324 1.398 0.053
H2 0.553 1.440 0.995
O3 -1.964 -0.119 -0.103
H4 -1.779 0.831 -0.003
C5 -0.745 -0.754 0.219
H6 -0.612 -0.853 1.322
H7 -0.777 -1.776 -0.196
C8 0.443 0.023 -0.351
H9 0.336 0.059 -1.448
C10 1.796 -0.566 0.026
H11 1.916 -0.611 1.123
H12 1.906 -1.591 -0.363
H13 2.611 0.050 -0.383

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 C8 H9 C10 H11 H12 H13
O10.97112.74972.17852.40882.74783.36851.43802.01132.45402.77753.40752.6904
H20.97113.15822.60872.66502.59203.67841.95772.81512.55072.46533.58652.8403
O32.74973.15820.97311.41202.09702.03982.42402.67033.78844.09844.14884.5869
H42.17852.60870.97311.90552.43952.79902.38962.67513.83764.12244.42424.4750
C52.40882.66501.41201.90551.11501.10301.52982.14692.55502.81362.84023.5033
H62.74782.59202.09702.43951.11501.78422.16253.06602.74912.54643.11813.7560
H73.36853.67842.03982.79901.10301.78422.17912.48462.85223.21712.69503.8537
C81.43801.95772.42402.38961.52982.16252.17911.10301.52242.17772.17842.1685
H92.01132.81512.67032.67512.14693.06602.48461.10302.16633.09122.52292.5121
C102.45402.55073.78843.83762.55502.74912.85221.52242.16631.10511.10241.1005
H112.77752.46534.09844.12242.81362.54643.21712.17773.09121.10511.78061.7860
H123.40753.58654.14884.42422.84023.11812.69502.17842.52291.10241.78061.7864
H132.69042.84034.58694.47503.50333.75603.85372.16852.51211.10051.78601.7864

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 108.475 O1 C8 H9 103.873
O1 C8 C10 111.952 H2 O1 C8 107.106
O3 C5 H6 111.629 O3 C5 H7 107.769
O3 C5 C8 110.914 H4 O3 C5 104.550
C5 C8 H9 108.169 C5 C8 C10 113.673
H6 C5 H7 107.109 H6 C5 C8 108.684
H7 C5 C8 110.676 C8 C10 H11 110.966
C8 C10 H12 111.181 C8 C10 H13 110.507
H9 C8 C10 110.179 H11 C10 H12 107.536
H11 C10 H13 108.152 H12 C10 H13 108.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.277      
2 H 0.139      
3 O -0.273      
4 H 0.132      
5 C 0.189      
6 H -0.021      
7 H 0.011      
8 C 0.018      
9 H 0.012      
10 C 0.007      
11 H 0.010      
12 H 0.024      
13 H 0.029      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.019 -0.261 1.168 2.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.592 -2.027 0.003
y -2.027 -31.519 2.274
z 0.003 2.274 -29.653
Traceless
 xyz
x -5.006 -2.027 0.003
y -2.027 1.103 2.274
z 0.003 2.274 3.903
Polar
3z2-r27.806
x2-y2-4.072
xy-2.027
xz0.003
yz2.274


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.665 -0.191 0.114
y -0.191 6.264 0.099
z 0.114 0.099 5.845


<r2> (average value of r2) Å2
<r2> 132.572
(<r2>)1/2 11.514