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All results from a given calculation for C4H8O2 (1,3-Dioxane)

using model chemistry: B3LYP/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-307.809905
Energy at 298.15K-307.821184
Nuclear repulsion energy264.942392
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-pVQZ
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' 3120 3023 27.10      
2 A' 3094 2998 26.84      
3 A' 3077 2981 30.00      
4 A' 3034 2939 21.28      
5 A' 2963 2871 106.44      
6 A' 2913 2822 79.47      
7 A' 1515 1468 5.03      
8 A' 1503 1456 0.35      
9 A' 1474 1428 4.72      
10 A' 1410 1366 11.90      
11 A' 1320 1279 5.99      
12 A' 1210 1172 49.63      
13 A' 1174 1137 119.86      
14 A' 1110 1076 30.67      
15 A' 1005 973 36.41      
16 A' 909 881 14.26      
17 A' 840 814 13.09      
18 A' 653 632 3.56      
19 A' 495 480 0.50      
20 A' 427 414 10.28      
21 A' 264 255 1.90      
22 A" 3092 2995 40.54      
23 A" 2956 2864 17.61      
24 A" 1499 1452 4.66      
25 A" 1438 1393 8.37      
26 A" 1385 1342 2.02      
27 A" 1374 1331 0.00      
28 A" 1332 1290 1.75      
29 A" 1254 1215 27.99      
30 A" 1231 1193 0.01      
31 A" 1053 1020 22.82      
32 A" 1017 986 103.77      
33 A" 914 885 27.94      
34 A" 891 863 5.07      
35 A" 465 450 6.88      
36 A" 258 250 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 26832.7 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 25995.6 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/cc-pVQZ
ABC
0.16658 0.16064 0.09168

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.613 -1.215 0.000
O2 0.017 -0.764 1.170
O3 0.017 -0.764 -1.170
C4 0.017 0.660 1.243
C5 0.017 0.660 -1.243
C6 0.672 1.256 0.000
H7 -0.554 -2.300 0.000
H8 -1.666 -0.885 0.000
H9 0.553 0.923 2.152
H10 -1.016 1.020 1.338
H11 0.553 0.923 -2.152
H12 -1.016 1.020 -1.338
H13 1.736 1.016 0.000
H14 0.569 2.343 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40391.40392.33622.33622.78571.08611.10283.25012.63583.25012.63583.23983.7497
O21.40392.34041.42542.80152.42452.01382.05352.02382.06823.76423.24662.73673.3655
O31.40392.34042.80151.42542.42452.01382.05353.76423.24662.02382.06822.73673.3655
C42.33621.42542.80152.48531.52593.26042.60091.08791.09873.44692.80332.15032.1638
C52.33622.80151.42542.48531.52593.26042.60093.44692.80331.08791.09872.15032.1638
C62.78572.42452.42451.52591.52593.76153.17052.18102.16732.18102.16731.09051.0919
H71.08612.01382.01383.26043.26043.76151.79864.03023.60864.03023.60864.02974.7769
H81.10282.05352.05352.60092.60093.17051.79863.58122.41693.58122.41693.89693.9265
H93.25012.02383.76421.08793.44692.18104.03023.58121.77084.30423.82812.45742.5787
H102.63582.06823.24661.09872.80332.16733.60862.41691.77083.82812.67613.06022.4607
H113.25013.76422.02383.44691.08792.18104.03023.58124.30423.82811.77082.45742.5787
H122.63583.24662.06822.80331.09872.16733.60862.41693.82812.67611.77083.06022.4607
H133.23982.73672.73672.15032.15031.09054.02973.89692.45743.06022.45743.06021.7673
H143.74973.36553.36552.16382.16381.09194.77693.92652.57872.46072.57872.46071.7673

picture of 1,3-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C4 111.316 C1 O3 C5 111.316
O2 C1 O3 112.925 O2 C1 H7 107.259
O2 C1 H8 109.426 O2 C4 C6 110.421
O2 C4 H9 106.492 O2 C4 H10 109.359
O3 C1 H7 107.259 O3 C1 H8 109.426
O3 C5 C6 110.421 O3 C5 H11 106.492
O3 C5 H12 109.359 C4 C6 C5 109.050
C4 C6 H13 109.413 C4 C6 H14 110.398
C5 C6 H13 109.413 C5 C6 H14 110.398
C6 C4 H9 112.024 C6 C4 H10 110.265
C6 C5 H11 112.024 C6 C5 H12 110.265
H7 C1 H8 110.508 H9 C4 H10 108.166
H11 C5 H12 108.166 H13 C6 H14 108.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.279      
2 O -0.387      
3 O -0.387      
4 C 0.078      
5 C 0.078      
6 C -0.158      
7 H 0.119      
8 H -0.036      
9 H 0.105      
10 H 0.019      
11 H 0.105      
12 H 0.019      
13 H 0.091      
14 H 0.076      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.689 1.929 0.000 2.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.381 1.714 0.000
y 1.714 -35.463 0.000
z 0.000 0.000 -39.331
Traceless
 xyz
x 1.016 1.714 0.000
y 1.714 2.393 0.000
z 0.000 0.000 -3.409
Polar
3z2-r2-6.817
x2-y2-0.918
xy1.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.653 0.497 0.000
y 0.497 8.647 0.000
z 0.000 0.000 8.279


<r2> (average value of r2) Å2
<r2> 139.767
(<r2>)1/2 11.822