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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-307.784306
Energy at 298.15K-307.795594
Nuclear repulsion energy264.811842
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/cc-pVTZ
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' 3118 3014 28.92      
2 A' 3093 2990 28.11      
3 A' 3078 2975 30.58      
4 A' 3035 2933 21.55      
5 A' 2961 2862 109.23      
6 A' 2911 2814 79.79      
7 A' 1515 1465 5.05      
8 A' 1503 1453 0.26      
9 A' 1473 1424 4.76      
10 A' 1410 1363 13.18      
11 A' 1320 1275 5.90      
12 A' 1210 1169 48.66      
13 A' 1173 1134 121.91      
14 A' 1110 1073 30.26      
15 A' 1004 971 36.76      
16 A' 910 879 13.97      
17 A' 840 812 12.86      
18 A' 652 630 3.67      
19 A' 495 478 0.47      
20 A' 426 412 10.33      
21 A' 265 256 1.75      
22 A" 3091 2987 43.44      
23 A" 2954 2855 18.63      
24 A" 1499 1449 4.40      
25 A" 1438 1390 8.97      
26 A" 1385 1338 1.51      
27 A" 1374 1328 0.01      
28 A" 1331 1286 1.60      
29 A" 1253 1212 27.84      
30 A" 1230 1189 0.04      
31 A" 1054 1018 23.76      
32 A" 1018 984 102.03      
33 A" 915 884 26.96      
34 A" 891 861 4.31      
35 A" 464 449 6.84      
36 A" 258 249 1.79      

Unscaled Zero Point Vibrational Energy (zpe) 26827.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 25931.1 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/cc-pVTZ
ABC
0.16644 0.16047 0.09162

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.614 -1.215 0.000
O2 0.017 -0.764 1.172
O3 0.017 -0.764 -1.172
C4 0.017 0.660 1.242
C5 0.017 0.660 -1.242
C6 0.674 1.255 0.000
H7 -0.554 -2.300 0.000
H8 -1.668 -0.886 0.000
H9 0.552 0.924 2.153
H10 -1.017 1.022 1.335
H11 0.552 0.924 -2.153
H12 -1.017 1.022 -1.335
H13 1.737 1.009 0.000
H14 0.575 2.344 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40521.40522.33652.33652.78641.08691.10373.25162.63653.25162.63653.23703.7524
O21.40522.34321.42622.80282.42552.01472.05572.02492.07063.76703.24722.73443.3679
O31.40522.34322.80281.42622.42552.01472.05573.76703.24722.02492.07062.73443.3679
C42.33651.42622.80282.48441.52613.26122.60251.08871.09973.44732.80052.15032.1653
C52.33652.80281.42622.48441.52613.26122.60253.44732.80051.08871.09972.15032.1653
C62.78642.42552.42551.52611.52613.76203.17342.18192.16732.18192.16731.09121.0926
H71.08692.01472.01473.26123.26123.76201.80024.03213.61074.03213.61074.02554.7795
H81.10372.05572.05572.60252.60253.17341.80023.58322.41813.58322.41813.89703.9323
H93.25162.02493.76701.08873.44732.18194.03213.58321.77204.30633.82602.45952.5790
H102.63652.07063.24721.09972.80052.16733.61072.41811.77203.82602.67013.06092.4627
H113.25163.76702.02493.44731.08872.18194.03213.58324.30633.82601.77202.45952.5790
H122.63653.24722.07062.80051.09972.16733.61072.41813.82602.67011.77203.06092.4627
H133.23702.73442.73442.15032.15031.09124.02553.89702.45953.06092.45953.06091.7692
H143.75243.36793.36792.16532.16531.09264.77953.93232.57902.46272.57902.46271.7692

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 111.217 C1 O3 C5 111.217
O2 C1 O3 112.970 O2 C1 H7 107.197
O2 C1 H8 109.457 O2 C4 C6 110.438
O2 C4 H9 106.478 O2 C4 H10 109.444
O3 C1 H7 107.197 O3 C1 H8 109.457
O3 C5 C6 110.438 O3 C5 H11 106.478
O3 C5 H12 109.444 C4 C6 C5 108.975
C4 C6 H13 109.358 C4 C6 H14 110.456
C5 C6 H13 109.358 C5 C6 H14 110.456
C6 C4 H9 112.034 C6 C4 H10 110.200
C6 C5 H11 112.034 C6 C5 H12 110.200
H7 C1 H8 110.522 H9 C4 H10 108.138
H11 C5 H12 108.138 H13 C6 H14 108.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.148      
2 O -0.299      
3 O -0.299      
4 C -0.002      
5 C -0.002      
6 C -0.161      
7 H 0.098      
8 H 0.027      
9 H 0.098      
10 H 0.060      
11 H 0.098      
12 H 0.060      
13 H 0.088      
14 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.661 1.857 0.000 1.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.309 1.649 0.000
y 1.649 -35.309 0.000
z 0.000 0.000 -39.143
Traceless
 xyz
x 0.917 1.649 0.000
y 1.649 2.417 0.000
z 0.000 0.000 -3.334
Polar
3z2-r2-6.668
x2-y2-0.999
xy1.649
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.384 0.515 0.000
y 0.515 8.382 0.000
z 0.000 0.000 7.972


<r2> (average value of r2) Å2
<r2> 139.769
(<r2>)1/2 11.822