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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-307.600550
Energy at 298.15K-307.611881
Nuclear repulsion energy266.821150
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 B1B95/6-311G*
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' 3172 3041 35.42      
2 A' 3140 3010 30.94      
3 A' 3126 2997 31.56      
4 A' 3074 2946 22.67      
5 A' 2992 2868 124.05      
6 A' 2941 2819 89.82      
7 A' 1521 1458 6.47      
8 A' 1509 1446 1.16      
9 A' 1477 1416 7.30      
10 A' 1424 1365 17.43      
11 A' 1338 1283 7.15      
12 A' 1227 1177 137.40      
13 A' 1200 1151 63.60      
14 A' 1125 1078 13.23      
15 A' 1025 983 43.23      
16 A' 938 899 12.11      
17 A' 863 828 11.10      
18 A' 652 625 5.86      
19 A' 484 464 0.33      
20 A' 434 417 10.14      
21 A' 270 259 1.82      
22 A" 3137 3007 50.41      
23 A" 2986 2862 20.57      
24 A" 1507 1445 9.18      
25 A" 1461 1400 11.65      
26 A" 1400 1342 1.62      
27 A" 1381 1324 0.23      
28 A" 1356 1300 1.60      
29 A" 1275 1222 34.15      
30 A" 1247 1195 0.04      
31 A" 1105 1059 68.36      
32 A" 1051 1008 70.31      
33 A" 939 900 18.74      
34 A" 905 867 0.58      
35 A" 461 442 6.75      
36 A" 271 260 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 27205.9 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 26079.6 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 B1B95/6-311G*
ABC
0.16945 0.16273 0.09346

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.620 -1.191 0.000
O2 0.016 -0.759 1.163
O3 0.016 -0.759 -1.163
C4 0.016 0.653 1.230
C5 0.016 0.653 -1.230
C6 0.689 1.235 0.000
H7 -0.591 -2.276 0.000
H8 -1.664 -0.830 0.000
H9 0.530 0.922 2.151
H10 -1.021 1.014 1.298
H11 0.530 0.922 -2.151
H12 -1.021 1.014 -1.298
H13 1.744 0.954 0.000
H14 0.625 2.326 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39361.39362.30562.30562.75661.08611.10473.22662.58973.22662.58973.19133.7304
O21.39362.32511.41412.77812.40482.00512.04462.01682.05923.75083.20552.69633.3528
O31.39362.32512.77811.41412.40482.00512.04463.75083.20552.01682.05922.69633.3528
C42.30561.41412.77812.45931.51793.23442.55661.08851.10063.42972.75592.14162.1636
C52.30562.77811.41412.45931.51793.23442.55663.42972.75591.08851.10062.14162.1636
C62.75662.40482.40481.51791.51793.73753.13142.17922.15852.17922.15851.09131.0926
H71.08612.00512.00513.23443.23443.73751.80114.01373.56334.01373.56333.98514.7600
H81.10472.04462.04462.55662.55663.13141.80113.53712.34523.53712.34523.84663.8989
H93.22662.01683.75081.08853.42972.17924.01373.53711.77284.30133.78262.46952.5702
H102.58972.05923.20551.10062.75592.15853.56332.34521.77283.78262.59573.05492.4728
H113.22663.75082.01683.42971.08852.17924.01373.53714.30133.78261.77282.46952.5702
H122.58973.20552.05922.75591.10062.15853.56332.34523.78262.59571.77283.05492.4728
H133.19132.69632.69632.14162.14161.09133.98513.84662.46953.05492.46953.05491.7706
H143.73043.35283.35282.16362.16361.09264.76003.89892.57022.47282.57022.47281.7706

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 110.403 C1 O3 C5 110.403
O2 C1 O3 113.065 O2 C1 H7 107.269
O2 C1 H8 109.307 O2 C4 C6 110.161
O2 C4 H9 106.669 O2 C4 H10 109.313
O3 C1 H7 107.269 O3 C1 H8 109.307
O3 C5 C6 110.161 O3 C5 H11 106.669
O3 C5 H12 109.313 C4 C6 C5 108.210
C4 C6 H13 109.235 C4 C6 H14 110.901
C5 C6 H13 109.235 C5 C6 H14 110.901
C6 C4 H9 112.413 C6 C4 H10 110.018
C6 C5 H11 112.413 C6 C5 H12 110.018
H7 C1 H8 110.594 H9 C4 H10 108.164
H11 C5 H12 108.164 H13 C6 H14 108.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.089      
2 O -0.318      
3 O -0.318      
4 C -0.287      
5 C -0.287      
6 C -0.429      
7 H 0.224      
8 H 0.187      
9 H 0.229      
10 H 0.203      
11 H 0.229      
12 H 0.203      
13 H 0.236      
14 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.683 1.915 0.000 2.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.930 1.684 0.000
y 1.684 -34.910 0.000
z 0.000 0.000 -38.812
Traceless
 xyz
x 0.930 1.684 0.000
y 1.684 2.462 0.000
z 0.000 0.000 -3.392
Polar
3z2-r2-6.784
x2-y2-1.021
xy1.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.863 0.459 0.000
y 0.459 7.659 0.000
z 0.000 0.000 7.219


<r2> (average value of r2) Å2
<r2> 137.531
(<r2>)1/2 11.727