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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-306.079377
Energy at 298.15K-306.090633
Nuclear repulsion energy266.952843
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 LSDA/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' 3062 3005 23.97      
2 A' 3060 3003 14.04      
3 A' 3047 2990 17.32      
4 A' 2999 2943 11.06      
5 A' 2881 2827 89.29      
6 A' 2807 2754 82.67      
7 A' 1439 1412 10.38      
8 A' 1425 1399 2.91      
9 A' 1401 1374 9.73      
10 A' 1360 1335 18.04      
11 A' 1281 1257 5.13      
12 A' 1205 1182 176.64      
13 A' 1160 1138 11.18      
14 A' 1087 1067 2.49      
15 A' 1013 994 40.73      
16 A' 924 907 8.59      
17 A' 854 839 7.10      
18 A' 633 622 5.43      
19 A' 475 466 0.57      
20 A' 453 445 8.79      
21 A' 274 269 2.05      
22 A" 3047 2990 31.89      
23 A" 2872 2818 15.20      
24 A" 1430 1403 14.83      
25 A" 1387 1361 5.71      
26 A" 1339 1314 2.58      
27 A" 1316 1291 0.26      
28 A" 1292 1268 2.65      
29 A" 1224 1201 32.27      
30 A" 1190 1168 0.05      
31 A" 1098 1078 63.13      
32 A" 1034 1014 62.23      
33 A" 927 909 14.24      
34 A" 873 857 1.17      
35 A" 457 448 6.92      
36 A" 277 272 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 26300.4 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 25808.6 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 LSDA/6-31G**
ABC
0.17022 0.16288 0.09396

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.619 -1.181 0.000
O2 0.017 -0.759 1.164
O3 0.017 -0.759 -1.164
C4 0.017 0.649 1.223
C5 0.017 0.649 -1.223
C6 0.694 1.226 0.000
H7 -0.610 -2.283 0.000
H8 -1.675 -0.798 0.000
H9 0.522 0.935 2.161
H10 -1.036 1.020 1.271
H11 0.522 0.935 -2.161
H12 -1.036 1.020 -1.271
H13 1.758 0.932 0.000
H14 0.638 2.329 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39181.39182.29112.29112.74181.10161.12363.23222.57563.23222.57563.18033.7285
O21.39182.32801.40902.77162.39872.01712.05422.02912.06973.76523.19422.69193.3583
O31.39182.32802.77161.40902.39872.01712.05423.76523.19422.02912.06972.69193.3583
C42.29111.40902.77162.44691.51283.23762.54051.10251.11703.43342.73302.14672.1694
C52.29112.77161.40902.44691.51283.23762.54053.43342.73301.10251.11702.14672.1694
C62.74182.39872.39871.51281.51283.74303.11632.18682.15642.18682.15641.10391.1046
H71.10162.01712.01713.23763.23763.74301.82734.03743.56434.03743.56433.99244.7776
H81.12362.05422.05422.54052.54053.11631.82733.53572.30893.53572.30893.84473.8900
H93.23222.02913.76521.10253.43342.18684.03743.53571.79604.32103.76992.48892.5741
H102.57562.06973.19421.11702.73302.15643.56432.30891.79603.76992.54263.07052.4762
H113.23223.76522.02913.43341.10252.18684.03743.53574.32103.76991.79602.48892.5741
H122.57563.19422.06972.73301.11702.15643.56432.30893.76992.54261.79603.07052.4762
H133.18032.69192.69192.14672.14671.10393.99243.84472.48893.07052.48893.07051.7907
H143.72853.35833.35832.16942.16941.10464.77763.89002.57412.47622.57412.47621.7907

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 109.768 C1 O3 C5 109.768
O2 C1 O3 113.507 O2 C1 H7 107.419
O2 C1 H8 109.035 O2 C4 C6 110.316
O2 C4 H9 107.157 O2 C4 H10 109.493
O3 C1 H7 107.419 O3 C1 H8 109.035
O3 C5 C6 110.316 O3 C5 H11 107.157
O3 C5 H12 109.493 C4 C6 C5 107.945
C4 C6 H13 109.252 C4 C6 H14 111.006
C5 C6 H13 109.252 C5 C6 H14 111.006
C6 C4 H9 112.531 C6 C4 H10 109.243
C6 C5 H11 112.531 C6 C5 H12 109.243
H7 C1 H8 110.399 H9 C4 H10 108.029
H11 C5 H12 108.029 H13 C6 H14 108.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.121      
2 O -0.382      
3 O -0.382      
4 C -0.066      
5 C -0.066      
6 C -0.269      
7 H 0.148      
8 H 0.093      
9 H 0.146      
10 H 0.111      
11 H 0.146      
12 H 0.111      
13 H 0.157      
14 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.512 1.763 0.000 1.836
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.031 1.659 0.000
y 1.659 -34.824 0.000
z 0.000 0.000 -38.335
Traceless
 xyz
x 0.548 1.659 0.000
y 1.659 2.360 0.000
z 0.000 0.000 -2.908
Polar
3z2-r2-5.815
x2-y2-1.208
xy1.659
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.806 0.480 0.000
y 0.480 7.761 0.000
z 0.000 0.000 7.227


<r2> (average value of r2) Å2
<r2> 137.129
(<r2>)1/2 11.710