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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-307.308366
Energy at 298.15K-307.319509
Nuclear repulsion energy263.226803
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3055 3037 29.90      
2 A' 3038 3021 27.44      
3 A' 3030 3012 21.83      
4 A' 2977 2960 19.27      
5 A' 2878 2862 111.70      
6 A' 2812 2796 92.55      
7 A' 1423 1414 5.59      
8 A' 1410 1401 1.09      
9 A' 1385 1377 6.62      
10 A' 1348 1340 19.55      
11 A' 1264 1257 5.75      
12 A' 1157 1150 56.20      
13 A' 1133 1126 115.87      
14 A' 1067 1061 9.82      
15 A' 972 966 35.84      
16 A' 897 892 9.06      
17 A' 826 821 12.55      
18 A' 625 622 3.53      
19 A' 477 474 0.42      
20 A' 427 425 9.16      
21 A' 263 261 1.36      
22 A" 3032 3014 41.95      
23 A" 2870 2854 22.77      
24 A" 1411 1402 9.05      
25 A" 1374 1366 11.08      
26 A" 1327 1320 0.48      
27 A" 1305 1298 0.62      
28 A" 1274 1267 0.90      
29 A" 1206 1199 23.58      
30 A" 1175 1168 0.64      
31 A" 1032 1026 12.43      
32 A" 991 986 112.44      
33 A" 891 886 24.34      
34 A" 866 861 0.02      
35 A" 450 448 5.59      
36 A" 259 257 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 25963.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25812.9 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 PBEPBE/cc-pVDZ
ABC
0.16540 0.15813 0.09103

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.628 -1.201 0.000
O2 0.018 -0.771 1.182
O3 0.018 -0.771 -1.182
C4 0.018 0.660 1.244
C5 0.018 0.660 -1.244
C6 0.689 1.251 0.000
H7 -0.593 -2.307 0.000
H8 -1.694 -0.840 0.000
H9 0.551 0.932 2.176
H10 -1.035 1.035 1.325
H11 0.551 0.932 -2.176
H12 -1.035 1.035 -1.325
H13 1.764 0.977 0.000
H14 0.611 2.359 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.41411.41412.33042.33042.78361.10601.12573.26772.63163.26772.63163.23563.7699
O21.41412.36411.43272.81702.43662.03212.08152.04292.09593.80323.26502.73933.3983
O31.41412.36412.81701.43272.43662.03212.08153.80323.26502.04292.09592.73933.3983
C42.33041.43272.81702.48851.53203.27492.59371.10761.12073.47262.80232.16752.1878
C52.33042.81701.43272.48851.53203.27492.59373.47262.80231.10761.12072.16752.1878
C62.78362.43662.43661.53201.53203.78203.16972.20402.18492.20402.18491.10981.1108
H71.10602.03212.03213.27493.27493.78201.83404.06653.62244.06653.62244.04294.8190
H81.12572.08152.08152.59372.59373.16971.83403.59362.38883.59362.38883.90633.9425
H93.26772.04293.80321.10763.47262.20404.06653.59361.80264.35293.84562.49222.6033
H102.63162.09593.26501.12072.80232.18493.62242.38881.80263.84562.65103.09762.4935
H113.26773.80322.04293.47261.10762.20404.06653.59364.35293.84561.80262.49222.6033
H122.63163.26502.09592.80231.12072.18493.62242.38883.84562.65101.80263.09762.4935
H133.23562.73932.73932.16752.16751.10984.04293.90632.49223.09762.49223.09761.7999
H143.76993.39833.39832.18782.18781.11084.81903.94252.60332.49352.60332.49351.7999

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 109.888 C1 O3 C5 109.888
O2 C1 O3 113.423 O2 C1 H7 106.850
O2 C1 H8 109.560 O2 C4 C6 110.494
O2 C4 H9 106.361 O2 C4 H10 109.736
O3 C1 H7 106.850 O3 C1 H8 109.560
O3 C5 C6 110.494 O3 C5 H11 106.361
O3 C5 H12 109.736 C4 C6 C5 108.612
C4 C6 H13 109.211 C4 C6 H14 110.742
C5 C6 H13 109.211 C5 C6 H14 110.742
C6 C4 H9 112.225 C6 C4 H10 109.936
C6 C5 H11 112.225 C6 C5 H12 109.936
H7 C1 H8 110.532 H9 C4 H10 107.988
H11 C5 H12 107.988 H13 C6 H14 108.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.233      
2 O -0.271      
3 O -0.271      
4 C 0.090      
5 C 0.090      
6 C -0.044      
7 H 0.034      
8 H -0.003      
9 H 0.030      
10 H 0.012      
11 H 0.030      
12 H 0.012      
13 H 0.038      
14 H 0.019      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.511 1.625 0.000 1.703
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.296 1.533 0.000
y 1.533 -35.128 0.000
z 0.000 0.000 -38.565
Traceless
 xyz
x 0.551 1.533 0.000
y 1.533 2.303 0.000
z 0.000 0.000 -2.853
Polar
3z2-r2-5.707
x2-y2-1.168
xy1.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.124 0.546 0.000
y 0.546 8.142 0.000
z 0.000 0.000 7.619


<r2> (average value of r2) Å2
<r2> 140.722
(<r2>)1/2 11.863