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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-307.319378
Energy at 298.15K-307.330712
HF Energy-307.319378
Nuclear repulsion energy265.965599
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 PBE1PBE/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' 3174 3017 34.13      
2 A' 3149 2992 28.35      
3 A' 3140 2984 22.09      
4 A' 3086 2933 17.07      
5 A' 3004 2855 104.43      
6 A' 2953 2806 77.77      
7 A' 1539 1462 5.78      
8 A' 1523 1448 0.38      
9 A' 1493 1418 6.03      
10 A' 1433 1362 24.15      
11 A' 1339 1272 5.83      
12 A' 1236 1174 152.17      
13 A' 1209 1149 47.32      
14 A' 1133 1077 8.71      
15 A' 1032 981 39.53      
16 A' 940 893 10.45      
17 A' 870 827 9.13      
18 A' 657 624 5.30      
19 A' 493 468 0.63      
20 A' 441 419 10.16      
21 A' 270 257 1.96      
22 A" 3145 2988 43.52      
23 A" 2996 2847 20.05      
24 A" 1522 1446 6.34      
25 A" 1467 1394 16.67      
26 A" 1408 1338 1.02      
27 A" 1385 1316 0.20      
28 A" 1354 1287 1.55      
29 A" 1277 1214 35.14      
30 A" 1247 1185 0.14      
31 A" 1122 1066 73.48      
32 A" 1060 1007 58.56      
33 A" 946 899 16.78      
34 A" 912 866 0.43      
35 A" 467 444 7.14      
36 A" 269 255 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 27343.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 25984.0 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 PBE1PBE/6-31G*
ABC
0.16855 0.16151 0.09277

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.617 -1.196 0.000
O2 0.016 -0.761 1.167
O3 0.016 -0.761 -1.167
C4 0.016 0.653 1.235
C5 0.016 0.653 -1.235
C6 0.685 1.242 0.000
H7 -0.575 -2.286 0.000
H8 -1.671 -0.851 0.000
H9 0.541 0.921 2.156
H10 -1.023 1.021 1.313
H11 0.541 0.921 -2.156
H12 -1.023 1.021 -1.313
H13 1.746 0.970 0.000
H14 0.610 2.336 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39711.39712.31222.31222.76391.09121.10883.23622.60853.23622.60853.20553.7390
O21.39712.33381.41582.78762.41272.00952.05322.02102.06803.76153.22572.71113.3624
O31.39712.33382.78761.41582.41272.00952.05323.76153.22572.02102.06802.71113.3624
C42.31221.41582.78762.47081.52333.24302.57581.09341.10493.44252.77652.14962.1704
C52.31222.78761.41582.47081.52333.24302.57583.44252.77651.09341.10492.14962.1704
C62.76392.41272.41271.52331.52333.74673.15152.18482.16582.18482.16581.09571.0968
H71.09122.00952.00953.24303.24303.74671.80584.02303.58664.02303.58663.99884.7719
H81.10882.05322.05322.57582.57583.15151.80583.56132.37673.56132.37673.87203.9190
H93.23622.02103.76151.09343.44252.18484.02303.56131.77954.31263.80682.47092.5800
H102.60852.06803.22571.10492.77652.16583.58662.37671.77953.80682.62613.06532.4735
H113.23623.76152.02103.44251.09342.18484.02303.56134.31263.80681.77952.47092.5800
H122.60853.22572.06802.77651.10492.16583.58662.37673.80682.62611.77953.06532.4735
H133.20552.71112.71112.14962.14961.09573.99883.87202.47093.06532.47093.06531.7778
H143.73903.36243.36242.17042.17041.09684.77193.91902.58002.47352.58002.47351.7778

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 110.572 C1 O3 C5 110.572
O2 C1 O3 113.287 O2 C1 H7 107.082
O2 C1 H8 109.503 O2 C4 C6 110.291
O2 C4 H9 106.593 O2 C4 H10 109.634
O3 C1 H7 107.082 O3 C1 H8 109.503
O3 C5 C6 110.291 O3 C5 H11 106.593
O3 C5 H12 109.634 C4 C6 C5 108.380
C4 C6 H13 109.231 C4 C6 H14 110.808
C5 C6 H13 109.231 C5 C6 H14 110.808
C6 C4 H9 112.174 C6 C4 H10 109.962
C6 C5 H11 112.174 C6 C5 H12 109.962
H7 C1 H8 110.324 H9 C4 H10 108.095
H11 C5 H12 108.095 H13 C6 H14 108.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 O -0.459      
3 O -0.459      
4 C -0.100      
5 C -0.100      
6 C -0.356      
7 H 0.186      
8 H 0.132      
9 H 0.186      
10 H 0.149      
11 H 0.186      
12 H 0.149      
13 H 0.192      
14 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.652 1.881 0.000 1.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.634 1.651 0.000
y 1.651 -34.633 0.000
z 0.000 0.000 -38.396
Traceless
 xyz
x 0.881 1.651 0.000
y 1.651 2.381 0.000
z 0.000 0.000 -3.262
Polar
3z2-r2-6.524
x2-y2-1.000
xy1.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.439 0.434 0.000
y 0.434 7.354 0.000
z 0.000 0.000 6.863


<r2> (average value of r2) Å2
<r2> 138.155
(<r2>)1/2 11.754