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

using model chemistry: HF/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-305.876765
Energy at 298.15K-305.888376
Nuclear repulsion energy266.756330
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/aug-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 A' 3302 3007 42.09      
2 A' 3262 2971 44.09      
3 A' 3233 2944 51.86      
4 A' 3185 2900 28.01      
5 A' 3142 2861 144.39      
6 A' 3114 2835 54.77      
7 A' 1641 1494 3.21      
8 A' 1619 1474 0.61      
9 A' 1582 1441 6.15      
10 A' 1527 1390 24.72      
11 A' 1419 1292 9.11      
12 A' 1327 1208 178.95      
13 A' 1292 1177 68.64      
14 A' 1201 1094 17.28      
15 A' 1088 991 41.41      
16 A' 988 900 14.42      
17 A' 912 830 13.35      
18 A' 708 645 4.99      
19 A' 530 482 0.49      
20 A' 448 408 12.17      
21 A' 272 247 2.38      
22 A" 3259 2968 57.80      
23 A" 3132 2852 21.49      
24 A" 1614 1470 4.72      
25 A" 1561 1421 19.53      
26 A" 1506 1371 1.36      
27 A" 1476 1344 1.94      
28 A" 1438 1309 2.34      
29 A" 1359 1238 48.33      
30 A" 1325 1206 0.00      
31 A" 1209 1100 92.82      
32 A" 1118 1018 48.50      
33 A" 992 903 14.94      
34 A" 964 877 0.00      
35 A" 496 452 8.15      
36 A" 273 249 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 28754.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 26183.4 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/aug-cc-pVDZ
ABC
0.16846 0.16330 0.09287

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.600 -1.218 0.000
O2 0.015 -0.753 1.153
O3 0.015 -0.753 -1.153
C4 0.015 0.653 1.240
C5 0.015 0.653 -1.240
C6 0.665 1.254 0.000
H7 -0.518 -2.299 0.000
H8 -1.657 -0.921 0.000
H9 0.555 0.912 2.146
H10 -1.015 1.013 1.342
H11 0.555 0.912 -2.146
H12 -1.015 1.013 -1.342
H13 1.730 1.019 0.000
H14 0.553 2.340 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.38771.38772.32742.32742.77801.08361.09753.23732.63653.23732.63653.23023.7409
O21.38772.30661.40832.77522.40452.00112.03802.01232.05263.73493.22592.72183.3445
O31.38772.30662.77521.40832.40452.00112.03803.73493.22592.01232.05262.72183.3445
C42.32741.40832.77522.47921.52373.24552.60921.08661.09603.43822.80312.14732.1618
C52.32742.77521.40832.47921.52373.24552.60923.43822.80311.08661.09602.14732.1618
C62.77802.40452.40451.52371.52373.74503.18192.17592.16452.17592.16451.09011.0915
H71.08362.00112.00113.24553.24553.74501.78784.00843.60754.00843.60754.00714.7610
H81.09752.03802.03802.60922.60923.18191.78783.58592.43963.58592.43963.90263.9393
H93.23732.01233.73491.08663.43822.17594.00843.58591.76704.29203.82692.44872.5777
H102.63652.05263.22591.09602.80312.16453.60752.43961.76703.82692.68483.05562.4545
H113.23733.73492.01233.43821.08662.17594.00843.58594.29203.82691.76702.44872.5777
H122.63653.22592.05262.80311.09602.16453.60752.43963.82692.68481.76703.05562.4545
H133.23022.72182.72182.14732.14731.09014.00713.90262.44873.05562.44873.05561.7693
H143.74093.34453.34452.16182.16181.09154.76103.93932.57772.45452.57772.45451.7693

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 112.695 C1 O3 C5 112.695
O2 C1 O3 112.422 O2 C1 H7 107.501
O2 C1 H8 109.629 O2 C4 C6 110.132
O2 C4 H9 106.815 O2 C4 H10 109.469
O3 C1 H7 107.501 O3 C1 H8 109.629
O3 C5 C6 110.132 O3 C5 H11 106.815
O3 C5 H12 109.469 C4 C6 C5 108.894
C4 C6 H13 109.355 C4 C6 H14 110.415
C5 C6 H13 109.355 C5 C6 H14 110.415
C6 C4 H9 111.850 C6 C4 H10 110.366
C6 C5 H11 111.850 C6 C5 H12 110.366
H7 C1 H8 110.107 H9 C4 H10 108.111
H11 C5 H12 108.111 H13 C6 H14 108.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.287      
2 O -0.872      
3 O -0.872      
4 C 0.840      
5 C 0.840      
6 C 0.130      
7 H -0.350      
8 H -0.095      
9 H -0.252      
10 H -0.128      
11 H -0.252      
12 H -0.128      
13 H -0.125      
14 H -0.023      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.833 2.039 0.000 2.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.029 1.724 0.000
y 1.724 -35.347 0.000
z 0.000 0.000 -39.405
Traceless
 xyz
x 1.347 1.724 0.000
y 1.724 2.370 0.000
z 0.000 0.000 -3.717
Polar
3z2-r2-7.433
x2-y2-0.682
xy1.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.120 0.426 0.000
y 0.426 8.052 0.000
z 0.000 0.000 7.729


<r2> (average value of r2) Å2
<r2> 138.306
(<r2>)1/2 11.760