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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-307.585030
Energy at 298.15K-307.596302
HF Energy-307.585030
Nuclear repulsion energy264.720272
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/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 3140 2992 0.00      
2 Ag 3015 2872 0.00      
3 Ag 1506 1435 0.00      
4 Ag 1437 1369 0.00      
5 Ag 1341 1277 0.00      
6 Ag 1155 1100 0.00      
7 Ag 1048 999 0.00      
8 Ag 866 825 0.00      
9 Ag 448 427 0.00      
10 Ag 421 401 0.00      
11 Au 3139 2990 88.85      
12 Au 3010 2868 55.92      
13 Au 1491 1420 1.55      
14 Au 1404 1338 20.93      
15 Au 1296 1235 68.39      
16 Au 1192 1136 170.25      
17 Au 1114 1061 2.80      
18 Au 910 867 17.48      
19 Au 244 232 1.07      
20 Bg 3139 2990 0.00      
21 Bg 3020 2877 0.00      
22 Bg 1488 1417 0.00      
23 Bg 1368 1303 0.00      
24 Bg 1250 1190 0.00      
25 Bg 1188 1132 0.00      
26 Bg 870 829 0.00      
27 Bg 495 471 0.00      
28 Bu 3140 2991 42.99      
29 Bu 3023 2879 171.97      
30 Bu 1501 1429 16.68      
31 Bu 1417 1350 5.35      
32 Bu 1330 1267 11.54      
33 Bu 1076 1025 10.18      
34 Bu 919 876 77.76      
35 Bu 617 587 14.81      
36 Bu 275 262 22.60      

Unscaled Zero Point Vibrational Energy (zpe) 27145.3 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 25858.6 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 wB97X-D/cc-pVDZ
ABC
0.17022 0.15697 0.09173

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.760 1.168
C2 0.000 0.760 -1.168
C3 0.000 -0.760 1.168
C4 0.000 -0.760 -1.168
O5 -0.636 -1.258 0.000
O6 0.636 1.258 0.000
H7 -1.035 1.132 1.210
H8 -1.035 1.132 -1.210
H9 1.035 -1.132 -1.210
H10 1.035 -1.132 1.210
H11 0.554 1.155 -2.023
H12 0.554 1.155 2.023
H13 -0.554 -1.155 -2.023
H14 -0.554 -1.155 2.023

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.33571.52062.78702.41691.41991.10082.62013.21042.15723.26261.09303.76272.1698
C22.33572.78701.52062.41691.41992.62011.10082.15723.21041.09303.26262.16983.7627
C31.52062.78702.33571.41992.41692.15723.21042.62011.10083.76272.16983.26261.0930
C42.78701.52062.33571.41992.41693.21042.15721.10082.62012.16983.76271.09303.2626
O52.41692.41691.41991.41992.81912.70812.70812.06762.06763.36643.36642.02712.0271
O61.41991.41992.41692.41692.81912.06762.06762.70812.70812.02712.02713.36643.3664
H71.10082.62012.15723.21042.70812.06762.42043.90763.06783.60291.78563.98942.4744
H82.62011.10083.21042.15722.70812.06762.42043.06783.90761.78563.60292.47443.9894
H93.21042.15722.62011.10082.06762.70813.90763.06782.42042.47443.98941.78563.6029
H102.15723.21041.10082.62012.06762.70813.06783.90762.42043.98942.47443.60291.7856
H113.26261.09303.76272.16983.36642.02713.60291.78562.47443.98944.04582.56304.7893
H121.09303.26262.16983.76273.36642.02711.78563.60293.98942.47444.04584.78932.5630
H133.76272.16983.26261.09302.02713.36643.98942.47441.78563.60292.56304.78934.0458
H142.16983.76271.09303.26262.02713.36642.47443.98943.60291.78564.78932.56304.0458

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 110.509 C1 C3 H10 109.722
C1 C3 H14 111.191 C1 O6 C2 110.665
C2 C4 O5 110.509 C2 C4 H9 109.722
C2 C4 H13 111.191 C3 C1 O6 110.509
C3 C1 H7 109.722 C3 C1 H12 111.191
C3 O5 C4 110.665 C4 C2 O6 110.509
C4 C2 H8 109.722 C4 C2 H11 111.191
O5 C3 H10 109.566 O5 C3 H14 106.828
O5 C4 H9 109.566 O5 C4 H13 106.828
O6 C1 H7 109.566 O6 C1 H12 106.828
O6 C2 H8 109.566 O6 C2 H11 106.828
H7 C1 H12 108.966 H8 C2 H11 108.966
H9 C4 H13 108.966 H10 C3 H14 108.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.115      
3 C -0.115      
4 C -0.115      
5 O -0.366      
6 O -0.366      
7 H 0.142      
8 H 0.142      
9 H 0.142      
10 H 0.142      
11 H 0.155      
12 H 0.155      
13 H 0.155      
14 H 0.155      


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 -38.834 -3.675 0.000
y -3.675 -41.437 0.000
z 0.000 0.000 -30.326
Traceless
 xyz
x -2.952 -3.675 0.000
y -3.675 -6.857 0.000
z 0.000 0.000 9.809
Polar
3z2-r219.618
x2-y22.603
xy-3.675
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.236 -0.123 0.000
y -0.123 7.428 0.000
z 0.000 0.000 8.782


<r2> (average value of r2) Å2
<r2> 139.552
(<r2>)1/2 11.813