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

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-307.564210
Energy at 298.15K-307.575464
HF Energy-307.564210
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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 3144 2982 0.00      
2 Ag 3019 2863 0.00      
3 Ag 1532 1453 0.00      
4 Ag 1456 1381 0.00      
5 Ag 1357 1287 0.00      
6 Ag 1167 1107 0.00      
7 Ag 1055 1001 0.00      
8 Ag 875 830 0.00      
9 Ag 449 426 0.00      
10 Ag 425 403 0.00      
11 Au 3142 2980 94.00      
12 Au 3013 2858 46.20      
13 Au 1514 1436 0.09      
14 Au 1420 1347 30.56      
15 Au 1310 1243 62.18      
16 Au 1202 1140 172.01      
17 Au 1128 1070 2.06      
18 Au 915 868 15.79      
19 Au 243 230 1.23      
20 Bg 3141 2980 0.00      
21 Bg 3023 2867 0.00      
22 Bg 1511 1433 0.00      
23 Bg 1384 1313 0.00      
24 Bg 1263 1198 0.00      
25 Bg 1196 1135 0.00      
26 Bg 880 834 0.00      
27 Bg 494 468 0.00      
28 Bu 3143 2981 57.06      
29 Bu 3027 2871 176.30      
30 Bu 1526 1447 12.33      
31 Bu 1440 1366 5.22      
32 Bu 1345 1276 11.07      
33 Bu 1087 1031 10.28      
34 Bu 929 881 70.68      
35 Bu 617 585 13.84      
36 Bu 278 263 19.72      

Unscaled Zero Point Vibrational Energy (zpe) 27322.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 25915.0 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 wB97X-D/6-31G*
ABC
0.17098 0.15700 0.09204

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.760 1.164
C2 0.000 0.760 -1.164
C3 0.000 -0.760 1.164
C4 0.000 -0.760 -1.164
O5 -0.640 -1.256 0.000
O6 0.640 1.256 0.000
H7 -1.037 1.128 1.205
H8 -1.037 1.128 -1.205
H9 1.037 -1.128 -1.205
H10 1.037 -1.128 1.205
H11 0.552 1.157 -2.020
H12 0.552 1.157 2.020
H13 -0.552 -1.157 -2.020
H14 -0.552 -1.157 2.020

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.32721.52082.78012.41461.41771.10132.61213.20232.15513.25571.09363.75752.1716
C22.32722.78011.52082.41461.41772.61211.10132.15513.20231.09363.25572.17163.7575
C31.52082.78012.32721.41772.41462.15513.20232.61211.10133.75752.17163.25571.0936
C42.78011.52082.32721.41772.41463.20232.15511.10132.61212.17163.75751.09363.2557
O52.41462.41461.41771.41772.81992.70102.70102.06972.06973.36573.36572.02462.0246
O61.41771.41772.41462.41462.81992.06972.06972.70102.70102.02462.02463.36573.3657
H71.10132.61212.15513.20232.70102.06972.41073.89963.06523.59591.78613.98302.4745
H82.61211.10133.20232.15512.70102.06972.41073.06523.89961.78613.59592.47453.9830
H93.20232.15512.61211.10132.06972.70103.89963.06522.41072.47453.98301.78613.5959
H102.15513.20231.10132.61212.06972.70103.06523.89962.41073.98302.47453.59591.7861
H113.25571.09363.75752.17163.36572.02463.59591.78612.47453.98304.04062.56424.7856
H121.09363.25572.17163.75753.36572.02461.78613.59593.98302.47454.04064.78562.5642
H133.75752.17163.25571.09362.02463.36573.98302.47451.78613.59592.56424.78564.0406
H142.17163.75751.09363.25572.02463.36572.47453.98303.59591.78614.78562.56424.0406

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 110.468 C1 C3 H10 109.513
C1 C3 H14 111.280 C1 O6 C2 110.325
C2 C4 O5 110.468 C2 C4 H9 109.513
C2 C4 H13 111.280 C3 C1 O6 110.468
C3 C1 H7 109.513 C3 C1 H12 111.280
C3 O5 C4 110.325 C4 C2 O6 110.468
C4 C2 H8 109.513 C4 C2 H11 111.280
O5 C3 H10 109.860 O5 C3 H14 106.744
O5 C4 H9 109.860 O5 C4 H13 106.744
O6 C1 H7 109.860 O6 C1 H12 106.744
O6 C2 H8 109.860 O6 C2 H11 106.744
H7 C1 H12 108.926 H8 C2 H11 108.926
H9 C4 H13 108.926 H10 C3 H14 108.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.081      
2 C -0.081      
3 C -0.081      
4 C -0.081      
5 O -0.479      
6 O -0.479      
7 H 0.149      
8 H 0.149      
9 H 0.149      
10 H 0.149      
11 H 0.172      
12 H 0.172      
13 H 0.172      
14 H 0.172      


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
Primitive
 xyz
x -37.831 -3.132 0.000
y -3.132 -40.477 0.000
z 0.000 0.000 -30.167
Traceless
 xyz
x -2.509 -3.132 0.000
y -3.132 -6.478 0.000
z 0.000 0.000 8.987
Polar
3z2-r217.975
x2-y22.646
xy-3.132
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.324 -0.161 0.000
y -0.161 6.411 0.000
z 0.000 0.000 8.093


<r2> (average value of r2) Å2
<r2> 138.800
(<r2>)1/2 11.781