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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-307.549697
Energy at 298.15K-307.561007
Nuclear repulsion energy266.188622
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 B1B95/6-31+G**
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' 3177 3039 26.00      
2 A' 3149 3012 25.77      
3 A' 3138 3002 23.76      
4 A' 3082 2949 19.75      
5 A' 3000 2870 110.91      
6 A' 2949 2821 84.99      
7 A' 1512 1446 5.48      
8 A' 1500 1434 1.05      
9 A' 1472 1408 6.89      
10 A' 1415 1354 18.19      
11 A' 1324 1267 6.93      
12 A' 1224 1171 167.58      
13 A' 1195 1143 36.64      
14 A' 1117 1069 9.25      
15 A' 1021 977 40.34      
16 A' 935 894 11.44      
17 A' 862 825 11.21      
18 A' 649 620 5.50      
19 A' 486 465 0.55      
20 A' 432 413 10.22      
21 A' 268 256 2.26      
22 A" 3146 3009 38.63      
23 A" 2995 2865 18.78      
24 A" 1497 1432 8.21      
25 A" 1444 1381 14.37      
26 A" 1393 1333 2.57      
27 A" 1371 1312 0.75      
28 A" 1341 1282 1.94      
29 A" 1264 1209 35.37      
30 A" 1234 1181 0.01      
31 A" 1112 1063 70.98      
32 A" 1051 1005 70.82      
33 A" 936 896 21.96      
34 A" 901 862 0.50      
35 A" 459 440 7.45      
36 A" 269 257 2.21      

Unscaled Zero Point Vibrational Energy (zpe) 27158.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 25979.8 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 B1B95/6-31+G**
ABC
0.16854 0.16205 0.09293

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.620 -1.198 0.000
O2 0.017 -0.761 1.164
O3 0.017 -0.761 -1.164
C4 0.017 0.655 1.234
C5 0.017 0.655 -1.234
C6 0.684 1.241 0.000
H7 -0.583 -2.285 0.000
H8 -1.667 -0.842 0.000
H9 0.540 0.921 2.153
H10 -1.021 1.015 1.311
H11 0.540 0.921 -2.153
H12 -1.021 1.015 -1.311
H13 1.745 0.977 0.000
H14 0.601 2.332 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39721.39722.31532.31532.76541.08791.10623.23582.60333.23582.60333.21273.7346
O21.39722.32851.41732.78482.40972.00992.04892.01992.06253.75573.21862.71303.3554
O31.39722.32852.78481.41732.40972.00992.04893.75573.21862.01992.06252.71303.3554
C42.31531.41732.78482.46781.52023.24452.56871.09011.10203.43712.77222.14732.1621
C52.31532.78481.41732.46781.52023.24452.56873.43712.77221.09011.10202.14732.1621
C62.76542.40972.40971.52021.52023.74693.14082.18112.16312.18112.16311.09271.0940
H71.08792.00992.00993.24453.24453.74691.80504.02223.57804.02223.57804.00794.7662
H81.10622.04892.04892.56872.56873.14081.80503.55142.36283.55142.36283.86623.9003
H93.23582.01993.75571.09013.43712.18114.02223.55141.77614.30553.80052.46772.5742
H102.60332.06253.21861.10202.77222.16313.57802.36281.77613.80052.62203.06132.4666
H113.23583.75572.01993.43711.09012.18114.02223.55144.30553.80051.77612.46772.5742
H122.60333.21862.06252.77221.10202.16313.57802.36283.80052.62201.77613.06132.4666
H133.21272.71302.71302.14732.14731.09274.00793.86622.46773.06132.46773.06131.7727
H143.73463.35543.35542.16212.16211.09404.76623.90032.57422.46662.57422.46661.7727

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 110.698 C1 O3 C5 110.698
O2 C1 O3 112.875 O2 C1 H7 107.304
O2 C1 H8 109.317 O2 C4 C6 110.186
O2 C4 H9 106.601 O2 C4 H10 109.266
O3 C1 H7 107.304 O3 C1 H8 109.317
O3 C5 C6 110.186 O3 C5 H11 106.601
O3 C5 H12 109.266 C4 C6 C5 108.526
C4 C6 H13 109.445 C4 C6 H14 110.544
C5 C6 H13 109.445 C5 C6 H14 110.544
C6 C4 H9 112.305 C6 C4 H10 110.141
C6 C5 H11 112.305 C6 C5 H12 110.141
H7 C1 H8 110.700 H9 C4 H10 108.232
H11 C5 H12 108.232 H13 C6 H14 108.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 O -0.342      
3 O -0.342      
4 C -0.172      
5 C -0.172      
6 C -0.265      
7 H 0.151      
8 H 0.118      
9 H 0.160      
10 H 0.142      
11 H 0.160      
12 H 0.142      
13 H 0.184      
14 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.763 2.118 0.000 2.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.144 1.930 0.000
y 1.930 -35.185 0.000
z 0.000 0.000 -39.297
Traceless
 xyz
x 1.096 1.930 0.000
y 1.930 2.536 0.000
z 0.000 0.000 -3.632
Polar
3z2-r2-7.264
x2-y2-0.960
xy1.930
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.379 0.398 0.000
y 0.398 8.183 0.000
z 0.000 0.000 7.837


<r2> (average value of r2) Å2
<r2> 138.344
(<r2>)1/2 11.762