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

using model chemistry: BLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-307.568674
Energy at 298.15K-307.579764
Nuclear repulsion energy262.163550
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/6-31G(2df,p)
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' 3033 3017 33.01      
2 A' 3018 3002 33.69      
3 A' 3008 2992 26.11      
4 A' 2963 2947 22.33      
5 A' 2876 2860 106.22      
6 A' 2814 2799 79.79      
7 A' 1466 1457 4.63      
8 A' 1453 1445 0.02      
9 A' 1429 1421 2.41      
10 A' 1371 1363 20.18      
11 A' 1279 1272 4.93      
12 A' 1169 1163 25.45      
13 A' 1120 1113 97.06      
14 A' 1071 1065 50.14      
15 A' 966 961 30.81      
16 A' 874 869 11.35      
17 A' 809 805 12.38      
18 A' 625 621 2.63      
19 A' 476 474 0.32      
20 A' 420 418 8.35      
21 A' 257 255 1.38      
22 A" 3012 2996 47.83      
23 A" 2868 2852 21.46      
24 A" 1452 1444 3.00      
25 A" 1401 1393 13.72      
26 A" 1343 1335 0.67      
27 A" 1328 1321 0.33      
28 A" 1288 1281 0.47      
29 A" 1209 1202 22.19      
30 A" 1189 1183 0.04      
31 A" 1000 995 0.07      
32 A" 957 952 111.14      
33 A" 881 876 27.31      
34 A" 854 849 7.31      
35 A" 450 447 5.61      
36 A" 252 251 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 25990.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 25847.2 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/6-31G(2df,p)
ABC
0.16359 0.15683 0.08993

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.627 -1.216 0.000
O2 0.017 -0.774 1.187
O3 0.017 -0.774 -1.187
C4 0.017 0.665 1.254
C5 0.017 0.665 -1.254
C6 0.689 1.263 0.000
H7 -0.574 -2.313 0.000
H8 -1.689 -0.873 0.000
H9 0.553 0.930 2.177
H10 -1.027 1.037 1.340
H11 0.553 0.930 -2.177
H12 -1.027 1.037 -1.340
H13 1.759 1.003 0.000
H14 0.600 2.363 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.42091.42092.35062.35062.80701.09871.11643.27682.65143.27682.65143.25853.7833
O21.42092.37351.44052.83312.45152.03192.08112.04232.09583.80873.27902.75683.4040
O31.42092.37352.83311.44052.45152.03192.08113.80873.27902.04232.09582.75683.4040
C42.35061.44052.83312.50731.54303.28532.61741.10001.11163.48252.82022.17272.1894
C52.35062.83311.44052.50731.54303.28532.61743.48252.82021.10001.11162.17272.1894
C62.80702.45152.45151.54301.54303.79333.19712.20682.18852.20682.18851.10161.1032
H71.09872.03192.03193.28533.28533.79331.82154.06583.63654.06583.63654.05514.8215
H81.11642.08112.08112.61742.61743.19711.82153.60822.42523.60822.42523.92603.9638
H93.27682.04233.80871.10003.48252.20684.06583.60821.79114.35453.85682.49032.6069
H102.65142.09583.27901.11162.82022.18853.63652.42521.79113.85682.67923.09172.4896
H113.27683.80872.04233.48251.10002.20684.06583.60824.35453.85681.79112.49032.6069
H122.65143.27902.09582.82021.11162.18853.63652.42523.85682.67921.79113.09172.4896
H133.25852.75682.75682.17272.17271.10164.05513.92602.49033.09172.49033.09171.7873
H143.78333.40403.40402.18942.18941.10324.82153.96382.60692.48962.60692.48961.7873

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 110.462 C1 O3 C5 110.462
O2 C1 O3 113.275 O2 C1 H7 106.801
O2 C1 H8 109.631 O2 C4 C6 110.461
O2 C4 H9 106.232 O2 C4 H10 109.737
O3 C1 H7 106.801 O3 C1 H8 109.631
O3 C5 C6 110.461 O3 C5 H11 106.232
O3 C5 H12 109.737 C4 C6 C5 108.682
C4 C6 H13 109.347 C4 C6 H14 110.563
C5 C6 H13 109.347 C5 C6 H14 110.563
C6 C4 H9 112.145 C6 C4 H10 109.999
C6 C5 H11 112.145 C6 C5 H12 109.999
H7 C1 H8 110.636 H9 C4 H10 108.166
H11 C5 H12 108.166 H13 C6 H14 108.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 O -0.178      
3 O -0.178      
4 C -0.073      
5 C -0.073      
6 C -0.164      
7 H 0.100      
8 H 0.057      
9 H 0.094      
10 H 0.073      
11 H 0.094      
12 H 0.073      
13 H 0.098      
14 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.535 1.684 0.000 1.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.943 1.431 0.000
y 1.431 -35.176 0.000
z 0.000 0.000 -38.512
Traceless
 xyz
x 0.901 1.431 0.000
y 1.431 2.052 0.000
z 0.000 0.000 -2.953
Polar
3z2-r2-5.906
x2-y2-0.767
xy1.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.963 0.548 0.000
y 0.548 8.125 0.000
z 0.000 0.000 7.602


<r2> (average value of r2) Å2
<r2> 141.785
(<r2>)1/2 11.907