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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-59.267152
Energy at 298.15K-59.278256
Nuclear repulsion energy144.807386
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 B3LYP/CEP-121G
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' 3152 3071 28.01      
2 A' 3106 3027 38.03      
3 A' 3073 2995 39.36      
4 A' 3006 2929 36.87      
5 A' 2956 2881 147.11      
6 A' 2921 2847 77.28      
7 A' 1517 1478 6.88      
8 A' 1490 1452 0.78      
9 A' 1488 1450 7.58      
10 A' 1398 1362 16.46      
11 A' 1298 1265 4.51      
12 A' 1183 1153 12.23      
13 A' 1136 1107 106.87      
14 A' 1081 1054 47.40      
15 A' 970 945 46.31      
16 A' 890 867 4.26      
17 A' 805 784 16.54      
18 A' 619 603 6.23      
19 A' 468 456 0.95      
20 A' 392 382 13.24      
21 A' 253 246 3.84      
22 A" 3102 3023 48.53      
23 A" 2948 2872 25.40      
24 A" 1504 1465 4.28      
25 A" 1421 1384 8.01      
26 A" 1383 1347 1.02      
27 A" 1371 1336 0.73      
28 A" 1300 1267 0.13      
29 A" 1241 1209 18.56      
30 A" 1208 1178 3.07      
31 A" 1054 1027 2.80      
32 A" 979 954 108.53      
33 A" 902 879 23.97      
34 A" 840 819 28.31      
35 A" 440 429 10.27      
36 A" 240 234 2.73      

Unscaled Zero Point Vibrational Energy (zpe) 26566.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 25888.7 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 B3LYP/CEP-121G
ABC
0.15788 0.15325 0.08711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.633 -1.264 0.000
O2 0.015 -0.781 1.209
O3 0.015 -0.781 -1.209
C4 0.015 0.696 1.265
C5 0.015 0.696 -1.265
C6 0.696 1.273 0.000
H7 -0.533 -2.348 0.000
H8 -1.694 -0.946 0.000
H9 0.552 0.956 2.180
H10 -1.028 1.054 1.347
H11 0.552 0.956 -2.180
H12 -1.028 1.054 -1.347
H13 1.755 0.989 0.000
H14 0.633 2.371 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.45401.45402.42052.42052.86301.08961.10763.32922.70903.32922.70903.28263.8488
O21.45402.41791.47792.88092.47822.05402.09962.06102.11443.84603.31412.76073.4319
O31.45402.41792.88091.47792.47822.05402.09963.84603.31412.06102.11442.76073.4319
C42.42051.47792.88092.52911.54763.34192.68601.09311.10523.49622.83442.17112.1879
C52.42052.88091.47792.52911.54763.34192.68603.49622.83441.09311.10522.17112.1879
C62.86302.47822.47821.54761.54763.82373.26062.20792.19822.20792.19821.09681.1002
H71.08962.05402.05403.34193.34193.82371.82104.10473.69234.10473.69234.04614.8614
H81.10762.09962.09962.68602.68603.26061.82103.66262.50103.66262.50103.95454.0518
H93.32922.06103.84601.09313.49622.20794.10473.66261.78924.36063.86612.49032.6006
H102.70902.11443.31411.10522.83442.19823.69232.50101.78923.86612.69353.09242.5117
H113.32923.84602.06103.49621.09312.20794.10473.66264.36063.86611.78922.49032.6006
H122.70903.31412.11442.83441.10522.19823.69232.50103.86612.69351.78923.09242.5117
H133.28262.76072.76072.17112.17111.09684.04613.95452.49033.09242.49033.09241.7802
H143.84883.43193.43192.18792.18791.10024.86144.05182.60062.51172.60062.51171.7802

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 111.289 C1 O3 C5 111.289
O2 C1 O3 112.502 O2 C1 H7 106.837
O2 C1 H8 109.356 O2 C4 C6 109.968
O2 C4 H9 105.593 O2 C4 H10 109.025
O3 C1 H7 106.837 O3 C1 H8 109.356
O3 C5 C6 109.968 O3 C5 H11 105.593
O3 C5 H12 109.025 C4 C6 C5 109.593
C4 C6 H13 109.183 C4 C6 H14 110.301
C5 C6 H13 109.183 C5 C6 H14 110.301
C6 C4 H9 112.316 C6 C4 H10 110.816
C6 C5 H11 112.316 C6 C5 H12 110.816
H7 C1 H8 111.950 H9 C4 H10 108.951
H11 C5 H12 108.951 H13 C6 H14 108.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.128      
2 O -0.241      
3 O -0.241      
4 C -0.141      
5 C -0.141      
6 C -0.277      
7 H 0.180      
8 H 0.118      
9 H 0.168      
10 H 0.121      
11 H 0.168      
12 H 0.121      
13 H 0.159      
14 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.017 2.571 0.000 2.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.164 2.274 0.000
y 2.274 -35.223 0.000
z 0.000 0.000 -40.581
Traceless
 xyz
x 1.738 2.274 0.000
y 2.274 3.149 0.000
z 0.000 0.000 -4.888
Polar
3z2-r2-9.775
x2-y2-0.941
xy2.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.093 0.480 0.000
y 0.480 8.287 0.000
z 0.000 0.000 7.554


<r2> (average value of r2) Å2
<r2> 120.790
(<r2>)1/2 10.990