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

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-307.556149
Energy at 298.15K-307.567240
Nuclear repulsion energy261.456227
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 BLYP/cc-pVDZ
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' 3037 3042 33.82      
2 A' 3014 3019 32.34      
3 A' 3001 3006 29.36      
4 A' 2953 2957 25.54      
5 A' 2865 2870 124.26      
6 A' 2803 2807 91.92      
7 A' 1435 1437 4.12      
8 A' 1421 1423 0.15      
9 A' 1398 1400 4.06      
10 A' 1354 1356 22.53      
11 A' 1264 1266 5.50      
12 A' 1156 1158 25.06      
13 A' 1110 1112 112.64      
14 A' 1060 1062 38.65      
15 A' 958 960 35.40      
16 A' 875 876 10.25      
17 A' 807 808 16.05      
18 A' 623 624 2.86      
19 A' 478 479 0.33      
20 A' 421 422 9.53      
21 A' 259 260 1.28      
22 A" 3010 3015 49.06      
23 A" 2856 2861 23.26      
24 A" 1422 1424 4.43      
25 A" 1381 1383 14.98      
26 A" 1331 1333 0.09      
27 A" 1315 1317 0.45      
28 A" 1273 1275 0.46      
29 A" 1203 1204 20.81      
30 A" 1176 1178 0.76      
31 A" 1004 1006 0.06      
32 A" 954 956 115.34      
33 A" 877 879 27.87      
34 A" 852 854 9.75      
35 A" 449 450 5.58      
36 A" 254 254 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 25824.6 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 25865.9 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 BLYP/cc-pVDZ
ABC
0.16285 0.15607 0.08956

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.629 -1.218 0.000
O2 0.018 -0.776 1.190
O3 0.018 -0.776 -1.190
C4 0.018 0.668 1.255
C5 0.018 0.668 -1.255
C6 0.688 1.264 0.000
H7 -0.576 -2.322 0.000
H8 -1.699 -0.872 0.000
H9 0.559 0.934 2.183
H10 -1.033 1.042 1.344
H11 0.559 0.934 -2.183
H12 -1.033 1.042 -1.344
H13 1.765 0.998 0.000
H14 0.602 2.372 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.42521.42522.35552.35552.80941.10521.12403.28762.66053.28762.66053.26203.7947
O21.42522.38081.44502.83942.45482.03972.09112.04982.10583.82073.29162.75953.4154
O31.42522.38082.83941.44502.45482.03972.09113.82073.29162.04982.10582.75953.4154
C42.35551.44502.83942.50921.54213.29612.62501.10721.11963.49032.82832.17622.1951
C52.35552.83941.44502.50921.54213.29612.62503.49032.82831.10721.11962.17622.1951
C62.80942.45482.45481.54211.54213.80193.20252.21182.19522.21182.19521.10961.1113
H71.10522.03972.03973.29613.29613.80191.83364.08113.65134.08113.65134.06214.8391
H81.12402.09112.09112.62502.62503.20251.83363.62262.43163.62262.43163.93603.9765
H93.28762.04983.82071.10723.49032.21184.08113.62261.80304.36653.87162.49522.6145
H102.66052.10583.29161.11962.82832.19523.65132.43161.80303.87162.68833.10502.4997
H113.28763.82072.04983.49031.10722.21184.08113.62264.36653.87161.80302.49522.6145
H122.66053.29162.10582.82831.11962.19523.65132.43163.87162.68831.80303.10502.4997
H133.26202.75952.75952.17622.17621.10964.06213.93602.49523.10502.49523.10501.8004
H143.79473.41543.41542.19512.19511.11134.83913.97652.61452.49972.61452.49971.8004

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 110.301 C1 O3 C5 110.301
O2 C1 O3 113.289 O2 C1 H7 106.744
O2 C1 H8 109.663 O2 C4 C6 110.483
O2 C4 H9 106.110 O2 C4 H10 109.736
O3 C1 H7 106.744 O3 C1 H8 109.663
O3 C5 C6 110.483 O3 C5 H11 106.110
O3 C5 H12 109.736 C4 C6 C5 108.890
C4 C6 H13 109.213 C4 C6 H14 110.590
C5 C6 H13 109.213 C5 C6 H14 110.590
C6 C4 H9 112.162 C6 C4 H10 110.106
C6 C5 H11 112.162 C6 C5 H12 110.106
H7 C1 H8 110.669 H9 C4 H10 108.134
H11 C5 H12 108.134 H13 C6 H14 108.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.282      
2 O -0.276      
3 O -0.276      
4 C 0.146      
5 C 0.146      
6 C 0.020      
7 H 0.008      
8 H -0.025      
9 H 0.002      
10 H -0.013      
11 H 0.002      
12 H -0.013      
13 H 0.008      
14 H -0.011      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.531 1.634 0.000 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.483 1.524 0.000
y 1.524 -35.379 0.000
z 0.000 0.000 -38.830
Traceless
 xyz
x 0.621 1.524 0.000
y 1.524 2.278 0.000
z 0.000 0.000 -2.899
Polar
3z2-r2-5.797
x2-y2-1.104
xy1.524
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.135 0.558 0.000
y 0.558 8.242 0.000
z 0.000 0.000 7.661


<r2> (average value of r2) Å2
<r2> 142.584
(<r2>)1/2 11.941