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

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-307.355941
Energy at 298.15K-307.366986
Nuclear repulsion energy262.955678
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 PBEPBE/6-311G*
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 3023 2991 0.00      
2 Ag 2895 2865 0.00      
3 Ag 1447 1432 0.00      
4 Ag 1378 1363 0.00      
5 Ag 1300 1287 0.00      
6 Ag 1110 1098 0.00      
7 Ag 995 985 0.00      
8 Ag 826 818 0.00      
9 Ag 424 420 0.00      
10 Ag 411 407 0.00      
11 Au 3021 2990 106.14      
12 Au 2886 2856 56.77      
13 Au 1434 1419 1.91      
14 Au 1346 1332 19.38      
15 Au 1249 1236 32.22      
16 Au 1101 1090 165.01      
17 Au 1076 1065 11.21      
18 Au 870 861 17.26      
19 Au 240 238 1.15      
20 Bg 3021 2989 0.00      
21 Bg 2899 2868 0.00      
22 Bg 1433 1418 0.00      
23 Bg 1317 1303 0.00      
24 Bg 1210 1197 0.00      
25 Bg 1092 1080 0.00      
26 Bg 837 829 0.00      
27 Bg 469 464 0.00      
28 Bu 3021 2990 59.14      
29 Bu 2904 2874 216.51      
30 Bu 1441 1426 16.78      
31 Bu 1367 1352 2.86      
32 Bu 1288 1274 8.63      
33 Bu 1038 1027 9.01      
34 Bu 867 858 68.34      
35 Bu 588 582 10.98      
36 Bu 265 262 16.54      

Unscaled Zero Point Vibrational Energy (zpe) 26043.3 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 25772.5 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 PBEPBE/6-311G*
ABC
0.16872 0.15430 0.09069

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.763 1.170
C2 0.000 0.763 -1.170
C3 0.000 -0.763 1.170
C4 0.000 -0.763 -1.170
O5 -0.647 -1.271 0.000
O6 0.647 1.271 0.000
H7 -1.047 1.132 1.213
H8 -1.047 1.132 -1.213
H9 1.047 -1.132 -1.213
H10 1.047 -1.132 1.213
H11 0.555 1.163 -2.033
H12 0.555 1.163 2.033
H13 -0.555 -1.163 -2.033
H14 -0.555 -1.163 2.033

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.33941.52532.79282.43351.43021.11092.62883.21912.16483.27491.10153.77812.1823
C22.33942.79281.52532.43351.43022.62881.11092.16483.21911.10153.27492.18233.7781
C31.52532.79282.33941.43022.43352.16483.21912.62881.11093.77812.18233.27491.1015
C42.79281.52532.33941.43022.43353.21912.16481.11092.62882.18233.77811.10153.2749
O52.43352.43351.43021.43022.85222.72082.72082.08852.08853.39153.39152.03782.0378
O61.43021.43022.43352.43352.85222.08852.08852.72082.72082.03782.03783.39153.3915
H71.11092.62882.16483.21912.72082.08852.42643.92353.08333.61981.79954.00582.4863
H82.62881.11093.21912.16482.72082.08852.42643.08333.92351.79953.61982.48634.0058
H93.21912.16482.62881.11092.08852.72083.92353.08332.42642.48634.00581.79953.6198
H102.16483.21911.11092.62882.08852.72083.08333.92352.42644.00582.48633.61981.7995
H113.27491.10153.77812.18233.39152.03783.61981.79952.48634.00584.06582.57784.8141
H121.10153.27492.18233.77813.39152.03781.79953.61984.00582.48634.06584.81412.5778
H133.77812.18233.27491.10152.03783.39154.00582.48631.79953.61982.57784.81414.0658
H142.18233.77811.10153.27492.03783.39152.48634.00583.61981.79954.81412.57784.0658

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 110.808 C1 C3 H10 109.397
C1 C3 H14 111.337 C1 O6 C2 109.748
C2 C4 O5 110.808 C2 C4 H9 109.397
C2 C4 H13 111.337 C3 C1 O6 110.808
C3 C1 H7 109.397 C3 C1 H12 111.337
C3 O5 C4 109.748 C4 C2 O6 110.808
C4 C2 H8 109.397 C4 C2 H11 111.337
O5 C3 H10 109.913 O5 C3 H14 106.485
O5 C4 H9 109.913 O5 C4 H13 106.485
O6 C1 H7 109.913 O6 C1 H12 106.485
O6 C2 H8 109.913 O6 C2 H11 106.485
H7 C1 H12 108.846 H8 C2 H11 108.846
H9 C4 H13 108.846 H10 C3 H14 108.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.262      
2 C -0.262      
3 C -0.262      
4 C -0.262      
5 O -0.288      
6 O -0.288      
7 H 0.196      
8 H 0.196      
9 H 0.196      
10 H 0.196      
11 H 0.209      
12 H 0.209      
13 H 0.209      
14 H 0.209      


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 -38.620 -2.848 0.000
y -2.848 -41.250 0.000
z 0.000 0.000 -31.151
Traceless
 xyz
x -2.420 -2.848 0.000
y -2.848 -6.365 0.000
z 0.000 0.000 8.785
Polar
3z2-r217.570
x2-y22.630
xy-2.848
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.066 -0.255 0.000
y -0.255 7.364 0.000
z 0.000 0.000 9.083


<r2> (average value of r2) Å2
<r2> 141.020
(<r2>)1/2 11.875