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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-307.428553
Energy at 298.15K-307.439767
Nuclear repulsion energy262.527895
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' 3229 3080 19.49      
2 A' 3184 3037 19.04      
3 A' 3156 3010 22.04      
4 A' 3093 2950 19.23      
5 A' 3026 2886 98.56      
6 A' 2989 2851 73.93      
7 A' 1545 1474 11.38      
8 A' 1528 1457 0.46      
9 A' 1514 1444 7.74      
10 A' 1422 1356 10.69      
11 A' 1327 1266 4.05      
12 A' 1204 1149 12.01      
13 A' 1165 1111 127.99      
14 A' 1108 1057 25.58      
15 A' 1001 955 48.77      
16 A' 925 882 2.88      
17 A' 843 804 13.97      
18 A' 632 603 8.54      
19 A' 477 455 1.07      
20 A' 410 391 13.65      
21 A' 264 252 3.51      
22 A" 3182 3034 31.30      
23 A" 3020 2881 18.37      
24 A" 1533 1462 4.86      
25 A" 1449 1382 4.31      
26 A" 1412 1346 2.12      
27 A" 1398 1333 0.37      
28 A" 1330 1269 0.32      
29 A" 1275 1216 19.81      
30 A" 1235 1177 3.98      
31 A" 1090 1039 5.07      
32 A" 1025 978 105.13      
33 A" 928 885 16.61      
34 A" 881 840 14.89      
35 A" 450 429 10.89      
36 A" 256 244 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 27252.7 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 25990.9 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
0.16315 0.15806 0.09021

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 -0.628 -1.235 0.000
O2 0.014 -0.769 1.189
O3 0.014 -0.769 -1.189
C4 0.014 0.684 1.243
C5 0.014 0.684 -1.243
C6 0.697 1.244 0.000
H7 -0.551 -2.316 0.000
H8 -1.679 -0.902 0.000
H9 0.534 0.947 2.161
H10 -1.024 1.043 1.305
H11 0.534 0.947 -2.161
H12 -1.024 1.043 -1.305
H13 1.746 0.939 0.000
H14 0.658 2.337 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.42921.42922.37422.37422.81021.08381.10243.28362.65433.28362.65433.21833.7963
O21.42922.37751.45362.83222.43502.03122.07322.03982.09123.79963.25222.70683.3876
O31.42922.37752.83221.45362.43502.03122.07323.79963.25222.03982.09122.70683.3876
C42.37421.45362.83222.48501.52423.29562.63181.08791.10033.45322.77412.14632.1662
C52.37422.83221.45362.48501.52423.29562.63183.45322.77411.08791.10032.14632.1662
C62.81022.43502.43501.52421.52423.77183.20152.18732.16882.18732.16881.09241.0943
H71.08382.03122.03123.29563.29563.77181.80844.06153.63394.06153.63393.98334.8076
H81.10242.07322.07322.63182.63183.20151.80843.60422.43193.60422.43193.88823.9944
H93.28362.03983.79961.08793.45322.18734.06153.60421.78074.32213.80122.47742.5725
H102.65432.09123.25221.10032.77412.16883.63392.43191.78073.80122.60953.06342.4914
H113.28363.79962.03983.45321.08792.18734.06153.60424.32213.80121.78072.47742.5725
H122.65433.25222.09122.77411.10032.16883.63392.43193.80122.60951.78073.06342.4914
H133.21832.70682.70682.14632.14631.09243.98333.88822.47743.06342.47743.06341.7719
H143.79633.38763.38762.16622.16621.09434.80763.99442.57252.49142.57252.49141.7719

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 110.885 C1 O3 C5 110.885
O2 C1 O3 112.564 O2 C1 H7 107.052
O2 C1 H8 109.277 O2 C4 C6 109.694
O2 C4 H9 105.860 O2 C4 H10 109.149
O3 C1 H7 107.052 O3 C1 H8 109.277
O3 C5 C6 109.694 O3 C5 H11 105.860
O3 C5 H12 109.149 C4 C6 C5 109.216
C4 C6 H13 109.109 C4 C6 H14 110.561
C5 C6 H13 109.109 C5 C6 H14 110.561
C6 C4 H9 112.659 C6 C4 H10 110.411
C6 C5 H11 112.659 C6 C5 H12 110.411
H7 C1 H8 111.619 H9 C4 H10 108.925
H11 C5 H12 108.925 H13 C6 H14 108.253
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 0.141      
2 O -0.508      
3 O -0.508      
4 C -0.081      
5 C -0.081      
6 C -0.326      
7 H 0.198      
8 H 0.142      
9 H 0.187      
10 H 0.148      
11 H 0.187      
12 H 0.148      
13 H 0.193      
14 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.960 2.456 0.000 2.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.594 2.192 0.000
y 2.192 -34.563 0.000
z 0.000 0.000 -39.525
Traceless
 xyz
x 1.450 2.192 0.000
y 2.192 2.997 0.000
z 0.000 0.000 -4.447
Polar
3z2-r2-8.894
x2-y2-1.031
xy2.192
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.251 0.441 0.000
y 0.441 7.397 0.000
z 0.000 0.000 6.739


<r2> (average value of r2) Å2
<r2> 141.258
(<r2>)1/2 11.885