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All results from a given calculation for C4H8O2 (1,3-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 CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-305.960210
Energy at 298.15K-305.971823
HF Energy-305.960210
Nuclear repulsion energy267.798996
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
(Å4/u)
Dep P Dep U
1 A' 3280 2973 45.32      
2 A' 3245 2941 42.64      
3 A' 3216 2915 54.27      
4 A' 3175 2878 25.15      
5 A' 3125 2832 142.33      
6 A' 3095 2805 57.68      
7 A' 1661 1506 2.60      
8 A' 1638 1485 0.67      
9 A' 1598 1449 5.01      
10 A' 1545 1400 25.63      
11 A' 1434 1299 9.68      
12 A' 1342 1216 185.53      
13 A' 1303 1181 73.89      
14 A' 1216 1102 20.13      
15 A' 1099 996 42.86      
16 A' 989 896 17.57      
17 A' 912 826 10.42      
18 A' 715 648 5.03      
19 A' 534 484 0.47      
20 A' 447 405 12.32      
21 A' 272 246 2.27      
22 A" 3242 2938 62.06      
23 A" 3115 2824 19.71      
24 A" 1635 1482 5.07      
25 A" 1581 1433 19.43      
26 A" 1516 1374 2.81      
27 A" 1495 1355 0.90      
28 A" 1454 1318 2.22      
29 A" 1372 1244 49.38      
30 A" 1337 1212 0.78      
31 A" 1214 1100 99.25      
32 A" 1120 1015 45.92      
33 A" 1001 908 14.77      
34 A" 968 878 0.02      
35 A" 498 452 8.08      
36 A" 273 248 2.45      

Unscaled Zero Point Vibrational Energy (zpe) 28830.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 26131.5 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 HF/Def2TZVPP
ABC
0.16966 0.16455 0.09348

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.598 -1.220 0.000
O2 0.014 -0.750 1.144
O3 0.014 -0.750 -1.144
C4 0.014 0.648 1.233
C5 0.014 0.648 -1.233
C6 0.665 1.256 0.000
H7 -0.516 -2.294 0.000
H8 -1.649 -0.924 0.000
H9 0.553 0.917 2.130
H10 -1.004 1.024 1.332
H11 0.553 0.917 -2.130
H12 -1.004 1.024 -1.332
H13 1.718 1.009 0.000
H14 0.560 2.335 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.38061.38062.32082.32082.77971.07661.09153.22932.64113.22932.64113.21503.7390
O21.38062.28881.40072.75772.39911.99382.02602.00972.05363.71313.21182.70313.3349
O31.38062.28882.75771.40072.39911.99382.02603.71313.21182.00972.05362.70313.3349
C42.32081.40072.75772.46561.52073.23372.59921.08011.08993.41582.78522.13412.1592
C52.32082.75771.40072.46561.52073.23372.59923.41582.78521.08011.08992.13412.1592
C62.77972.39912.39911.52071.52073.74113.17852.15922.14802.15922.14801.08241.0838
H71.07661.99381.99383.23373.23373.74111.77743.99863.60823.99863.60823.98774.7521
H81.09152.02602.02602.59922.59923.17851.77743.57352.44603.57352.44603.88233.9366
H93.22932.00973.71311.08013.41582.15923.99863.57351.75244.25913.79732.42952.5582
H102.64112.05363.21181.08992.78522.14803.60822.44601.75243.79732.66463.03122.4374
H113.22933.71312.00973.41581.08012.15923.99863.57354.25913.79731.75242.42952.5582
H122.64113.21182.05362.78521.08992.14803.60822.44603.79732.66461.75243.03122.4374
H133.21502.70312.70312.13412.13411.08243.98773.88232.42953.03122.42953.03121.7606
H143.73903.33493.33492.15922.15921.08384.75213.93662.55822.43742.55822.43741.7606

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 113.111 C1 O3 C5 113.111
O2 C1 O3 111.974 O2 C1 H7 107.829
O2 C1 H8 109.525 O2 C4 C6 110.350
O2 C4 H9 107.515 O2 C4 H10 110.466
O3 C1 H7 107.829 O3 C1 H8 109.525
O3 C5 C6 110.350 O3 C5 H11 107.515
O3 C5 H12 110.466 C4 C6 C5 108.326
C4 C6 H13 108.981 C4 C6 H14 110.890
C5 C6 H13 108.981 C5 C6 H14 110.890
C6 C4 H9 111.113 C6 C4 H10 109.635
C6 C5 H11 111.113 C6 C5 H12 109.635
H7 C1 H8 110.126 H9 C4 H10 107.713
H11 C5 H12 107.713 H13 C6 H14 108.734
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 0.289      
2 O -0.408      
3 O -0.408      
4 C 0.131      
5 C 0.131      
6 C -0.084      
7 H 0.062      
8 H 0.024      
9 H 0.058      
10 H 0.034      
11 H 0.058      
12 H 0.034      
13 H 0.045      
14 H 0.035      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.802 1.987 0.000 2.143
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.831 1.675 0.000
y 1.675 -35.123 0.000
z 0.000 0.000 -39.117
Traceless
 xyz
x 1.289 1.675 0.000
y 1.675 2.351 0.000
z 0.000 0.000 -3.640
Polar
3z2-r2-7.280
x2-y2-0.708
xy1.675
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.866 0.421 0.000
y 0.421 7.718 0.000
z 0.000 0.000 7.386


<r2> (average value of r2) Å2
<r2> 137.350
(<r2>)1/2 11.720