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All results from a given calculation for C4H8O2 (1,4-Dioxane)

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 C2H 1Ag
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-307.671400
Energy at 298.15K-307.682587
Nuclear repulsion energy263.522606
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 Ag 3090 2997 0.00      
2 Ag 2968 2879 0.00      
3 Ag 1466 1422 0.00      
4 Ag 1413 1370 0.00      
5 Ag 1318 1278 0.00      
6 Ag 1137 1103 0.00      
7 Ag 1026 995 0.00      
8 Ag 849 823 0.00      
9 Ag 437 424 0.00      
10 Ag 416 403 0.00      
11 Au 3088 2996 99.73      
12 Au 2960 2871 48.10      
13 Au 1450 1407 0.36      
14 Au 1381 1340 28.19      
15 Au 1271 1233 42.32      
16 Au 1149 1115 178.38      
17 Au 1098 1065 4.70      
18 Au 897 870 20.99      
19 Au 244 237 0.85      
20 Bg 3087 2995 0.00      
21 Bg 2970 2881 0.00      
22 Bg 1448 1404 0.00      
23 Bg 1343 1303 0.00      
24 Bg 1225 1188 0.00      
25 Bg 1134 1100 0.00      
26 Bg 859 833 0.00      
27 Bg 490 475 0.00      
28 Bu 3088 2996 55.35      
29 Bu 2976 2887 188.96      
30 Bu 1460 1416 11.41      
31 Bu 1397 1355 5.75      
32 Bu 1306 1266 11.34      
33 Bu 1062 1030 10.72      
34 Bu 893 866 68.51      
35 Bu 609 591 11.34      
36 Bu 268 260 16.53      

Unscaled Zero Point Vibrational Energy (zpe) 26634.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 25835.5 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
0.16857 0.15581 0.09103

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.762 1.171
C2 0.000 0.762 -1.171
C3 0.000 -0.762 1.171
C4 0.000 -0.762 -1.171
O5 -0.637 -1.264 0.000
O6 0.637 1.264 0.000
H7 -1.045 1.131 1.225
H8 -1.045 1.131 -1.225
H9 1.045 -1.131 -1.225
H10 1.045 -1.131 1.225
H11 0.560 1.159 -2.032
H12 0.560 1.159 2.032
H13 -0.560 -1.159 -2.032
H14 -0.560 -1.159 2.032

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.34181.52442.79422.42511.42411.11002.63993.22762.16343.27531.10113.77652.1787
C22.34182.79421.52442.42511.42412.63991.11002.16343.22761.10113.27532.17873.7765
C31.52442.79422.34181.42412.42512.16343.22762.63991.11003.77652.17873.27531.1011
C42.79421.52442.34181.42412.42513.22762.16341.11002.63992.17873.77651.10113.2753
O52.42512.42511.42411.42412.83022.72082.72082.08512.08513.38113.38112.03572.0357
O61.42411.42412.42512.42512.83022.08512.08512.72082.72082.03572.03573.38113.3811
H71.11002.63992.16343.22762.72082.08512.44983.93583.08053.63101.79734.01072.4762
H82.63991.11003.22762.16342.72082.08512.44983.08053.93581.79733.63102.47624.0107
H93.22762.16342.63991.11002.08512.72083.93583.08052.44982.47624.01071.79733.6310
H102.16343.22761.11002.63992.08512.72083.08053.93582.44984.01072.47623.63101.7973
H113.27531.10113.77652.17873.38112.03573.63101.79732.47624.01074.06312.57534.8105
H121.10113.27532.17873.77653.38112.03571.79733.63104.01072.47624.06314.81052.5753
H133.77652.17873.27531.10112.03573.38114.01072.47621.79733.63102.57534.81054.0631
H142.17873.77651.10113.27532.03573.38112.47624.01073.63101.79734.81052.57534.0631

picture of 1,4-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 O5 110.626 C1 C3 H10 109.409
C1 C3 H14 111.141 C1 O6 C2 110.617
C2 C4 O5 110.626 C2 C4 H9 109.409
C2 C4 H13 111.141 C3 C1 O6 110.626
C3 C1 H7 109.409 C3 C1 H12 111.141
C3 O5 C4 110.617 C4 C2 O6 110.626
C4 C2 H8 109.409 C4 C2 H11 111.141
O5 C3 H10 110.123 O5 C3 H14 106.746
O5 C4 H9 110.123 O5 C4 H13 106.746
O6 C1 H7 110.123 O6 C1 H12 106.746
O6 C2 H8 110.123 O6 C2 H11 106.746
H7 C1 H12 108.750 H8 C2 H11 108.750
H9 C4 H13 108.750 H10 C3 H14 108.750
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.146      
2 C 0.146      
3 C 0.146      
4 C 0.146      
5 O -0.322      
6 O -0.322      
7 H 0.004      
8 H 0.004      
9 H 0.004      
10 H 0.004      
11 H 0.012      
12 H 0.012      
13 H 0.012      
14 H 0.012      


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


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.684 -0.216 0.000
y -0.216 6.905 0.000
z 0.000 0.000 8.727


<r2> (average value of r2) Å2
<r2> 140.413
(<r2>)1/2 11.850