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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-307.539022
Energy at 298.15K-307.550333
Nuclear repulsion energy266.468516
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 B1B95/6-31G**
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' 3166 3022 34.02      
2 A' 3151 3008 27.17      
3 A' 3142 3000 22.64      
4 A' 3089 2949 16.67      
5 A' 2999 2863 102.77      
6 A' 2944 2811 81.70      
7 A' 1519 1450 5.76      
8 A' 1506 1438 0.60      
9 A' 1476 1409 5.70      
10 A' 1423 1359 23.83      
11 A' 1330 1270 6.02      
12 A' 1229 1174 164.48      
13 A' 1200 1146 37.72      
14 A' 1124 1073 7.46      
15 A' 1028 981 40.16      
16 A' 938 896 10.09      
17 A' 866 827 9.09      
18 A' 647 618 6.02      
19 A' 484 462 0.34      
20 A' 431 411 9.48      
21 A' 267 255 2.03      
22 A" 3143 3001 43.68      
23 A" 2993 2858 19.35      
24 A" 1504 1436 7.12      
25 A" 1457 1391 15.61      
26 A" 1399 1336 1.32      
27 A" 1375 1313 0.56      
28 A" 1346 1285 1.44      
29 A" 1269 1212 34.18      
30 A" 1238 1182 0.03      
31 A" 1118 1068 75.22      
32 A" 1056 1008 57.70      
33 A" 944 901 14.56      
34 A" 904 863 0.61      
35 A" 461 440 7.36      
36 A" 268 256 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 27215.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 25985.5 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 B1B95/6-31G**
ABC
0.16906 0.16225 0.09322

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.621 -1.192 0.000
O2 0.016 -0.760 1.164
O3 0.016 -0.760 -1.164
C4 0.016 0.653 1.232
C5 0.016 0.653 -1.232
C6 0.691 1.236 0.000
H7 -0.593 -2.280 0.000
H8 -1.669 -0.834 0.000
H9 0.532 0.925 2.153
H10 -1.021 1.020 1.299
H11 0.532 0.925 -2.153
H12 -1.021 1.020 -1.299
H13 1.746 0.955 0.000
H14 0.624 2.327 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39571.39572.30782.30782.75941.08881.10673.23202.59563.23202.59563.19553.7327
O21.39572.32861.41502.78172.40742.00902.04922.02092.06463.75633.21112.70003.3553
O31.39572.32862.78171.41502.40742.00902.04923.75633.21112.02092.06462.70003.3553
C42.30781.41502.78172.46321.52043.23902.56251.09041.10213.43432.75912.14492.1654
C52.30782.78171.41502.46321.52043.23902.56253.43432.75911.09041.10212.14492.1654
C62.75942.40742.40741.52041.52043.74303.13862.18082.15942.18082.15941.09221.0933
H71.08882.00902.00903.23903.23903.74301.80214.02163.57204.02163.57203.99194.7653
H81.10672.04922.04922.56252.56253.13861.80213.54582.35443.54582.35443.85483.9050
H93.23202.02093.75631.09043.43432.18084.02163.54581.77524.30543.78602.47152.5707
H102.59562.06463.21111.10212.75912.15943.57202.35441.77523.78602.59733.05742.4701
H113.23203.75632.02093.43431.09042.18084.02163.54584.30543.78601.77522.47152.5707
H122.59563.21112.06462.75911.10212.15943.57202.35443.78602.59731.77523.05742.4701
H133.19552.70002.70002.14492.14491.09223.99193.85482.47153.05742.47153.05741.7728
H143.73273.35533.35532.16542.16541.09334.76533.90502.57072.47012.57072.47011.7728

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 110.390 C1 O3 C5 110.390
O2 C1 O3 113.072 O2 C1 H7 107.284
O2 C1 H8 109.408 O2 C4 C6 110.145
O2 C4 H9 106.823 O2 C4 H10 109.593
O3 C1 H7 107.284 O3 C1 H8 109.408
O3 C5 C6 110.145 O3 C5 H11 106.823
O3 C5 H12 109.593 C4 C6 C5 108.204
C4 C6 H13 109.271 C4 C6 H14 110.828
C5 C6 H13 109.271 C5 C6 H14 110.828
C6 C4 H9 112.249 C6 C4 H10 109.826
C6 C5 H11 112.249 C6 C5 H12 109.826
H7 C1 H8 110.338 H9 C4 H10 108.124
H11 C5 H12 108.124 H13 C6 H14 108.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 O -0.478      
3 O -0.478      
4 C 0.004      
5 C 0.004      
6 C -0.252      
7 H 0.134      
8 H 0.086      
9 H 0.134      
10 H 0.102      
11 H 0.134      
12 H 0.102      
13 H 0.146      
14 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.660 1.889 0.000 2.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.545 1.709 0.000
y 1.709 -34.534 0.000
z 0.000 0.000 -38.269
Traceless
 xyz
x 0.856 1.709 0.000
y 1.709 2.373 0.000
z 0.000 0.000 -3.230
Polar
3z2-r2-6.459
x2-y2-1.011
xy1.709
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.502 0.453 0.000
y 0.453 7.430 0.000
z 0.000 0.000 6.945


<r2> (average value of r2) Å2
<r2> 137.568
(<r2>)1/2 11.729