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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-305.953136
Energy at 298.15K-305.964738
HF Energy-305.953136
Nuclear repulsion energy267.726407
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 HF/daug-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' 3279 2966 42.21      
2 A' 3243 2933 41.75      
3 A' 3213 2907 53.94      
4 A' 3172 2869 24.97      
5 A' 3122 2824 141.41      
6 A' 3093 2798 56.94      
7 A' 1660 1502 2.53      
8 A' 1638 1482 0.67      
9 A' 1598 1446 5.24      
10 A' 1544 1397 24.58      
11 A' 1433 1296 9.82      
12 A' 1341 1213 182.93      
13 A' 1303 1178 73.15      
14 A' 1215 1099 20.27      
15 A' 1097 993 42.54      
16 A' 988 894 17.61      
17 A' 911 824 10.62      
18 A' 714 646 4.94      
19 A' 534 483 0.50      
20 A' 447 404 12.12      
21 A' 271 245 2.32      
22 A" 3239 2930 58.96      
23 A" 3113 2816 18.85      
24 A" 1634 1478 5.11      
25 A" 1579 1428 18.85      
26 A" 1516 1371 2.76      
27 A" 1495 1352 1.19      
28 A" 1452 1314 2.39      
29 A" 1371 1241 49.10      
30 A" 1336 1209 0.56      
31 A" 1213 1097 98.36      
32 A" 1119 1012 46.24      
33 A" 1001 905 15.57      
34 A" 968 876 0.03      
35 A" 498 450 8.11      
36 A" 273 247 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 28810.3 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 26061.8 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 HF/daug-cc-pVTZ
ABC
0.16956 0.16447 0.09343

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.596 -1.217 0.000
O2 0.015 -0.749 1.148
O3 0.015 -0.749 -1.148
C4 0.015 0.650 1.237
C5 0.015 0.650 -1.237
C6 0.663 1.254 0.000
H7 -0.513 -2.291 0.000
H8 -1.648 -0.924 0.000
H9 0.551 0.908 2.138
H10 -1.009 1.008 1.341
H11 0.551 0.908 -2.138
H12 -1.009 1.008 -1.341
H13 1.721 1.023 0.000
H14 0.550 2.332 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.38191.38192.32092.32092.77231.07711.09183.22512.63033.22512.63033.22283.7295
O21.38192.29671.40172.76552.39791.99322.02812.00362.04313.71953.21432.71543.3319
O31.38192.29672.76551.40172.39791.99322.02813.71953.21432.00362.04312.71543.3319
C42.32091.40172.76552.47451.52173.23332.60231.07981.08993.42732.79682.14102.1562
C52.32092.76551.40172.47451.52173.23332.60233.42732.79681.07981.08992.14102.1562
C62.77232.39792.39791.52171.52173.73413.17522.16862.15712.16862.15711.08371.0846
H71.07711.99321.99323.23333.23333.73411.77593.99203.59523.99203.59523.99674.7436
H81.09182.02812.02812.60232.60233.17521.77593.57272.43723.57272.43723.89173.9292
H93.22512.00363.71951.07983.42732.16863.99203.57271.75514.27603.81382.44022.5688
H102.63032.04313.21431.08992.79682.15713.59522.43721.75513.81382.68123.04232.4461
H113.22513.71952.00363.42731.07982.16863.99203.57274.27603.81381.75512.44022.5688
H122.63033.21432.04312.79681.08992.15713.59522.43723.81382.68121.75513.04232.4461
H133.22282.71542.71542.14102.14101.08373.99673.89172.44023.04232.44023.04231.7567
H143.72953.33193.33192.15622.15621.08464.74363.92922.56882.44612.56882.44611.7567

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 112.970 C1 O3 C5 112.970
O2 C1 O3 112.394 O2 C1 H7 107.657
O2 C1 H8 109.577 O2 C4 C6 110.152
O2 C4 H9 106.976 O2 C4 H10 109.535
O3 C1 H7 107.657 O3 C1 H8 109.577
O3 C5 C6 110.152 O3 C5 H11 106.976
O3 C5 H12 109.535 C4 C6 C5 108.795
C4 C6 H13 109.373 C4 C6 H14 110.528
C5 C6 H13 109.373 C5 C6 H14 110.528
C6 C4 H9 111.819 C6 C4 H10 110.284
C6 C5 H11 111.819 C6 C5 H12 110.284
H7 C1 H8 109.928 H9 C4 H10 107.984
H11 C5 H12 107.984 H13 C6 H14 108.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.743      
2 O -0.951      
3 O -0.951      
4 C -0.571      
5 C -0.571      
6 C -0.535      
7 H 0.793      
8 H 0.700      
9 H 0.466      
10 H 0.557      
11 H 0.466      
12 H 0.557      
13 H 0.333      
14 H 0.450      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.822 2.013 0.000 2.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.862 1.698 0.000
y 1.698 -35.212 0.000
z 0.000 0.000 -39.224
Traceless
 xyz
x 1.356 1.698 0.000
y 1.698 2.331 0.000
z 0.000 0.000 -3.687
Polar
3z2-r2-7.374
x2-y2-0.650
xy1.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.066 0.411 0.000
y 0.411 7.958 0.000
z 0.000 0.000 7.664


<r2> (average value of r2) Å2
<r2> 137.454
(<r2>)1/2 11.724