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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-305.951474
Energy at 298.15K-305.963039
HF Energy-305.951474
Nuclear repulsion energy267.124243
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 HF/Def2TZVPP
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 3235 2932 0.00      
2 Ag 3137 2843 0.00      
3 Ag 1637 1484 0.00      
4 Ag 1569 1422 0.00      
5 Ag 1445 1309 0.00      
6 Ag 1261 1143 0.00      
7 Ag 1114 1010 0.00      
8 Ag 920 834 0.00      
9 Ag 470 426 0.00      
10 Ag 440 399 0.00      
11 Au 3231 2929 141.35      
12 Au 3127 2835 44.46      
13 Au 1621 1469 0.21      
14 Au 1529 1386 30.28      
15 Au 1399 1268 86.82      
16 Au 1284 1164 220.14      
17 Au 1213 1100 6.47      
18 Au 966 875 25.09      
19 Au 267 242 0.90      
20 Bg 3231 2929 0.00      
21 Bg 3138 2844 0.00      
22 Bg 1616 1465 0.00      
23 Bg 1487 1348 0.00      
24 Bg 1351 1224 0.00      
25 Bg 1277 1157 0.00      
26 Bg 941 853 0.00      
27 Bg 534 484 0.00      
28 Bu 3233 2931 72.47      
29 Bu 3146 2852 190.37      
30 Bu 1631 1478 9.37      
31 Bu 1545 1400 7.20      
32 Bu 1436 1302 17.44      
33 Bu 1156 1047 13.84      
34 Bu 985 892 83.85      
35 Bu 670 607 18.65      
36 Bu 283 257 22.89      

Unscaled Zero Point Vibrational Energy (zpe) 28761.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 26069.2 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 HF/Def2TZVPP
ABC
0.17203 0.16086 0.09310

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.756 1.163
C2 0.000 0.756 -1.163
C3 0.000 -0.756 1.163
C4 0.000 -0.756 -1.163
O5 -0.622 -1.239 0.000
O6 0.622 1.239 0.000
H7 -1.020 1.126 1.205
H8 -1.020 1.126 -1.205
H9 1.020 -1.126 -1.205
H10 1.020 -1.126 1.205
H11 0.548 1.144 -2.009
H12 0.548 1.144 2.009
H13 -0.548 -1.144 -2.009
H14 -0.548 -1.144 2.009

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.32511.51162.77332.39111.40411.08602.60453.19192.14113.24191.08053.73752.1509
C22.32512.77331.51162.39111.40412.60451.08602.14113.19191.08053.24192.15093.7375
C31.51162.77332.32511.40412.39112.14113.19192.60451.08603.73752.15093.24191.0805
C42.77331.51162.32511.40412.39113.19192.14111.08602.60452.15093.73751.08053.2419
O52.39112.39111.40411.40412.77242.68432.68432.03962.03963.32913.32912.01262.0126
O61.40411.40412.39112.39112.77242.03962.03962.68432.68432.01262.01263.32913.3291
H71.08602.60452.14113.19192.68432.03962.41023.87873.03893.57611.76193.96342.4544
H82.60451.08603.19192.14112.68432.03962.41023.03893.87871.76193.57612.45443.9634
H93.19192.14112.60451.08602.03962.68433.87873.03892.41022.45443.96341.76193.5761
H102.14113.19191.08602.60452.03962.68433.03893.87872.41023.96342.45443.57611.7619
H113.24191.08053.73752.15093.32912.01263.57611.76192.45443.96344.01812.53704.7520
H121.08053.24192.15093.73753.32912.01261.76193.57613.96342.45444.01814.75202.5370
H133.73752.15093.24191.08052.01263.32913.96342.45441.76193.57612.53704.75204.0181
H142.15093.73751.08053.24192.01263.32912.45443.96343.57611.76194.75202.53704.0181

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 110.127 C1 C3 H10 109.949
C1 C3 H14 111.065 C1 O6 C2 111.778
C2 C4 O5 110.127 C2 C4 H9 109.949
C2 C4 H13 111.065 C3 C1 O6 110.127
C3 C1 H7 109.949 C3 C1 H12 111.065
C3 O5 C4 111.778 C4 C2 O6 110.127
C4 C2 H8 109.949 C4 C2 H11 111.065
O5 C3 H10 109.324 O5 C3 H14 107.486
O5 C4 H9 109.324 O5 C4 H13 107.486
O6 C1 H7 109.324 O6 C1 H12 107.486
O6 C2 H8 109.324 O6 C2 H11 107.486
H7 C1 H12 108.835 H8 C2 H11 108.835
H9 C4 H13 108.835 H10 C3 H14 108.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.124      
2 C 0.124      
3 C 0.124      
4 C 0.124      
5 O -0.417      
6 O -0.417      
7 H 0.031      
8 H 0.031      
9 H 0.031      
10 H 0.031      
11 H 0.054      
12 H 0.054      
13 H 0.054      
14 H 0.054      


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 -38.259 -3.403 0.000
y -3.403 -41.010 0.000
z 0.000 0.000 -30.803
Traceless
 xyz
x -2.353 -3.403 0.000
y -3.403 -6.479 0.000
z 0.000 0.000 8.832
Polar
3z2-r217.664
x2-y22.751
xy-3.403
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.684 -0.115 0.000
y -0.115 7.001 0.000
z 0.000 0.000 8.391


<r2> (average value of r2) Å2
<r2> 137.659
(<r2>)1/2 11.733