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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-307.566956
Energy at 298.15K-307.578102
Nuclear repulsion energy260.425185
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/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' 3195 3074 21.89      
2 A' 3149 3029 22.19      
3 A' 3115 2997 28.12      
4 A' 3058 2941 24.05      
5 A' 3003 2889 108.69      
6 A' 2966 2853 70.53      
7 A' 1546 1487 7.90      
8 A' 1527 1469 0.53      
9 A' 1518 1460 5.63      
10 A' 1415 1361 13.65      
11 A' 1317 1267 3.95      
12 A' 1200 1154 9.29      
13 A' 1143 1099 88.62      
14 A' 1091 1050 55.40      
15 A' 987 949 51.90      
16 A' 899 865 2.61      
17 A' 819 787 17.00      
18 A' 633 609 6.31      
19 A' 484 466 1.08      
20 A' 403 388 13.92      
21 A' 260 250 3.53      
22 A" 3146 3027 34.65      
23 A" 2995 2882 20.68      
24 A" 1532 1474 2.81      
25 A" 1440 1386 5.82      
26 A" 1407 1354 1.34      
27 A" 1392 1339 0.66      
28 A" 1315 1266 0.08      
29 A" 1266 1218 17.06      
30 A" 1224 1177 3.57      
31 A" 1061 1020 0.13      
32 A" 985 947 97.94      
33 A" 922 887 27.58      
34 A" 847 815 19.30      
35 A" 453 436 10.47      
36 A" 244 235 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 26977.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 25952.7 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/6-31G
ABC
0.16031 0.15554 0.08845

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.624 -1.254 0.000
O2 0.014 -0.774 1.200
O3 0.014 -0.774 -1.200
C4 0.014 0.691 1.254
C5 0.014 0.691 -1.254
C6 0.689 1.262 0.000
H7 -0.520 -2.336 0.000
H8 -1.685 -0.949 0.000
H9 0.549 0.949 2.169
H10 -1.025 1.052 1.335
H11 0.549 0.949 -2.169
H12 -1.025 1.052 -1.335
H13 1.746 0.976 0.000
H14 0.631 2.358 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.44101.44102.40092.40092.83761.08681.10413.30692.69473.30692.69473.25423.8238
O21.44102.39981.46672.85872.45792.04022.08712.04872.10533.82223.29272.73953.4107
O31.44102.39982.85871.46672.45792.04022.08713.82223.29272.04872.10532.73953.4107
C42.40091.46672.85872.50901.53443.31992.67401.09081.10243.47502.81362.15762.1754
C52.40092.85871.46672.50901.53443.31992.67403.47502.81361.09081.10242.15762.1754
C62.83762.45792.45791.53441.53443.79513.24362.19622.18232.19622.18231.09531.0977
H71.08682.04022.04023.31993.31993.79511.81144.07923.67634.07923.67634.01294.8328
H81.10412.08712.08712.67402.67403.24361.81143.64692.49453.64692.49453.93424.0373
H93.30692.04873.82221.09083.47502.19624.07923.64691.78414.33863.84322.47772.5879
H102.69472.10533.29271.10242.81362.18233.67632.49451.78413.84322.67073.07662.4961
H113.30693.82222.04873.47501.09082.19624.07923.64694.33863.84321.78412.47772.5879
H122.69473.29272.10532.81361.10242.18233.67632.49453.84322.67071.78413.07662.4961
H133.25422.73952.73952.15762.15761.09534.01293.93422.47773.07662.47773.07661.7754
H143.82383.41073.41072.17542.17541.09774.83284.03732.58792.49612.58792.49611.7754

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 111.322 C1 O3 C5 111.322
O2 C1 O3 112.758 O2 C1 H7 106.793
O2 C1 H8 109.469 O2 C4 C6 109.949
O2 C4 H9 105.515 O2 C4 H10 109.243
O3 C1 H7 106.793 O3 C1 H8 109.469
O3 C5 C6 109.949 O3 C5 H11 105.515
O3 C5 H12 109.243 C4 C6 C5 109.684
C4 C6 H13 109.121 C4 C6 H14 110.382
C5 C6 H13 109.121 C5 C6 H14 110.382
C6 C4 H9 112.457 C6 C4 H10 110.647
C6 C5 H11 112.457 C6 C5 H12 110.647
H7 C1 H8 111.538 H9 C4 H10 108.869
H11 C5 H12 108.869 H13 C6 H14 108.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 O -0.498      
3 O -0.498      
4 C -0.037      
5 C -0.037      
6 C -0.267      
7 H 0.173      
8 H 0.121      
9 H 0.160      
10 H 0.126      
11 H 0.160      
12 H 0.126      
13 H 0.164      
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
  -0.930 2.412 0.000 2.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.832 2.107 0.000
y 2.107 -34.813 0.000
z 0.000 0.000 -39.758
Traceless
 xyz
x 1.453 2.107 0.000
y 2.107 2.983 0.000
z 0.000 0.000 -4.436
Polar
3z2-r2-8.872
x2-y2-1.020
xy2.107
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.291 0.460 0.000
y 0.460 7.555 0.000
z 0.000 0.000 6.838


<r2> (average value of r2) Å2
<r2> 143.532
(<r2>)1/2 11.980