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All results from a given calculation for C4H8O2 (1,3-Dioxane)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-305.912899
Energy at 298.15K-305.924524
Nuclear repulsion energy267.489079
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/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 A' 3301 2999 48.36      
2 A' 3256 2958 42.60      
3 A' 3223 2928 55.94      
4 A' 3178 2887 27.13      
5 A' 3134 2847 157.95      
6 A' 3104 2820 56.79      
7 A' 1658 1506 2.70      
8 A' 1636 1486 0.64      
9 A' 1595 1449 6.57      
10 A' 1544 1403 31.82      
11 A' 1434 1303 10.38      
12 A' 1341 1219 196.09      
13 A' 1303 1184 67.20      
14 A' 1213 1102 17.19      
15 A' 1096 996 47.83      
16 A' 992 901 17.48      
17 A' 912 828 12.22      
18 A' 715 650 6.15      
19 A' 531 482 0.48      
20 A' 448 407 13.43      
21 A' 274 249 2.23      
22 A" 3253 2955 64.08      
23 A" 3123 2838 22.39      
24 A" 1634 1484 5.61      
25 A" 1583 1439 24.57      
26 A" 1519 1380 1.32      
27 A" 1490 1354 0.87      
28 A" 1457 1323 1.96      
29 A" 1374 1248 52.41      
30 A" 1338 1216 0.36      
31 A" 1221 1109 101.17      
32 A" 1122 1019 45.42      
33 A" 1001 909 14.38      
34 A" 971 882 0.01      
35 A" 496 451 8.01      
36 A" 274 249 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 28872.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 26230.3 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/6-311G**
ABC
0.16928 0.16418 0.09336

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.599 -1.215 0.000
O2 0.014 -0.750 1.149
O3 0.014 -0.750 -1.149
C4 0.014 0.651 1.237
C5 0.014 0.651 -1.237
C6 0.669 1.251 0.000
H7 -0.512 -2.290 0.000
H8 -1.653 -0.924 0.000
H9 0.546 0.910 2.142
H10 -1.012 1.011 1.334
H11 0.546 0.910 -2.142
H12 -1.012 1.011 -1.334
H13 1.726 1.002 0.000
H14 0.572 2.334 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.38331.38332.32192.32192.77391.07781.09353.22752.62833.22752.62833.21333.7375
O21.38332.29871.40372.76742.39901.99232.03222.00562.04643.72423.21232.70613.3377
O31.38332.29872.76741.40372.39901.99232.03223.72423.21232.00562.04642.70613.3377
C42.32191.40372.76742.47451.52343.23382.60591.08131.09163.43062.79142.14152.1617
C52.32192.76741.40372.47451.52343.23382.60593.43062.79141.08131.09162.14152.1617
C62.77392.39902.39901.52341.52343.73313.18232.17252.15982.17252.15981.08551.0869
H71.07781.99231.99233.23383.23383.73311.77953.99313.59523.99313.59523.98094.7490
H81.09352.03222.03222.60592.60593.18231.77953.57622.43623.57622.43623.88973.9452
H93.22752.00563.72421.08133.43062.17253.99313.57621.75894.28383.81052.44702.5723
H102.62832.04643.21231.09162.79142.15983.59522.43621.75893.81052.66733.04592.4572
H113.22753.72422.00563.43061.08132.17253.99313.57624.28383.81051.75892.44702.5723
H122.62833.21232.04642.79141.09162.15983.59522.43623.81052.66731.75893.04592.4572
H133.21332.70612.70612.14152.14151.08553.98093.88972.44703.04592.44703.04591.7620
H143.73753.33773.33772.16172.16171.08694.74903.94522.57232.45722.57232.45721.7620

picture of 1,3-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C4 112.833 C1 O3 C5 112.833
O2 C1 O3 112.376 O2 C1 H7 107.451
O2 C1 H8 109.713 O2 C4 C6 110.013
O2 C4 H9 106.908 O2 C4 H10 109.552
O3 C1 H7 107.451 O3 C1 H8 109.713
O3 C5 C6 110.013 O3 C5 H11 106.908
O3 C5 H12 109.552 C4 C6 C5 108.611
C4 C6 H13 109.187 C4 C6 H14 110.711
C5 C6 H13 109.187 C5 C6 H14 110.711
C6 C4 H9 111.916 C6 C4 H10 110.272
C6 C5 H11 111.916 C6 C5 H12 110.272
H7 C1 H8 110.079 H9 C4 H10 108.090
H11 C5 H12 108.090 H13 C6 H14 108.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.324      
2 O -0.474      
3 O -0.474      
4 C 0.044      
5 C 0.044      
6 C -0.187      
7 H 0.100      
8 H 0.060      
9 H 0.103      
10 H 0.077      
11 H 0.103      
12 H 0.077      
13 H 0.110      
14 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.841 2.050 0.000 2.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.809 1.724 0.000
y 1.724 -35.013 0.000
z 0.000 0.000 -39.244
Traceless
 xyz
x 1.319 1.724 0.000
y 1.724 2.514 0.000
z 0.000 0.000 -3.833
Polar
3z2-r2-7.667
x2-y2-0.797
xy1.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.411 0.400 0.000
y 0.400 7.184 0.000
z 0.000 0.000 6.773


<r2> (average value of r2) Å2
<r2> 137.540
(<r2>)1/2 11.728