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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-307.667478
Energy at 298.15K-307.678571
Nuclear repulsion energy262.092163
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/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' 3043 3034 28.88      
2 A' 3018 3009 28.22      
3 A' 3000 2991 30.82      
4 A' 2958 2950 26.59      
5 A' 2884 2875 113.43      
6 A' 2831 2822 85.20      
7 A' 1471 1466 4.99      
8 A' 1458 1454 0.17      
9 A' 1435 1431 4.14      
10 A' 1364 1360 11.79      
11 A' 1277 1273 4.89      
12 A' 1166 1163 21.43      
13 A' 1112 1109 82.94      
14 A' 1060 1057 68.07      
15 A' 960 957 36.44      
16 A' 867 865 13.38      
17 A' 800 797 16.17      
18 A' 626 624 2.89      
19 A' 479 478 0.36      
20 A' 415 414 9.69      
21 A' 258 257 1.58      
22 A" 3016 3007 45.20      
23 A" 2877 2868 20.09      
24 A" 1457 1452 2.87      
25 A" 1389 1384 8.23      
26 A" 1340 1336 0.59      
27 A" 1331 1327 0.03      
28 A" 1284 1280 0.88      
29 A" 1209 1206 20.79      
30 A" 1189 1185 0.39      
31 A" 995 992 0.82      
32 A" 937 934 100.26      
33 A" 878 875 35.91      
34 A" 843 840 20.84      
35 A" 449 447 6.37      
36 A" 249 249 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 25962.5 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 25884.6 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/cc-pVTZ
ABC
0.16318 0.15694 0.08972

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.624 -1.224 0.000
O2 0.018 -0.775 1.188
O3 0.018 -0.775 -1.188
C4 0.018 0.670 1.253
C5 0.018 0.670 -1.253
C6 0.681 1.265 0.000
H7 -0.565 -2.315 0.000
H8 -1.681 -0.885 0.000
H9 0.558 0.932 2.169
H10 -1.023 1.033 1.346
H11 0.558 0.932 -2.169
H12 -1.023 1.033 -1.346
H13 1.750 1.015 0.000
H14 0.585 2.360 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.42371.42372.36032.36032.81071.09301.11013.27892.65833.27892.65833.26353.7829
O21.42372.37671.44622.83692.45192.03132.07662.04112.09183.80473.28262.75943.4001
O31.42372.37672.83691.44622.45192.03132.07663.80473.28262.04112.09182.75943.4001
C42.36031.44622.83692.50631.53753.29002.62241.09481.10603.47422.82352.16512.1791
C52.36032.83691.44622.50631.53753.29002.62243.47422.82351.09481.10602.16512.1791
C62.81072.45192.45191.53751.53753.79103.19432.19772.18382.19772.18381.09731.0995
H71.09302.03132.03133.29003.29003.79101.81474.06353.63814.06353.63814.05594.8151
H81.11012.07662.07662.62242.62243.19431.81473.60832.43433.60832.43433.92203.9583
H93.27892.04113.80471.09483.47422.19774.06353.60831.78434.33783.85552.47622.5969
H102.65832.09183.28261.10602.82352.18383.63812.43431.78433.85552.69283.08192.4816
H113.27893.80472.04113.47421.09482.19774.06353.60834.33783.85551.78432.47622.5969
H122.65833.28262.09182.82351.10602.18383.63812.43433.85552.69281.78433.08192.4816
H133.26352.75942.75942.16512.16511.09734.05593.92202.47623.08192.47623.08191.7792
H143.78293.40013.40012.17912.17911.09954.81513.95832.59692.48162.59692.48161.7792

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 110.662 C1 O3 C5 110.662
O2 C1 O3 113.170 O2 C1 H7 106.900
O2 C1 H8 109.460 O2 C4 C6 110.488
O2 C4 H9 106.065 O2 C4 H10 109.368
O3 C1 H7 106.900 O3 C1 H8 109.460
O3 C5 C6 110.488 O3 C5 H11 106.065
O3 C5 H12 109.368 C4 C6 C5 109.187
C4 C6 H13 109.383 C4 C6 H14 110.349
C5 C6 H13 109.383 C5 C6 H14 110.349
C6 C4 H9 112.121 C6 C4 H10 110.334
C6 C5 H11 112.121 C6 C5 H12 110.334
H7 C1 H8 110.914 H9 C4 H10 108.337
H11 C5 H12 108.337 H13 C6 H14 108.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.152      
2 O -0.286      
3 O -0.286      
4 C 0.013      
5 C 0.013      
6 C -0.134      
7 H 0.088      
8 H 0.019      
9 H 0.087      
10 H 0.050      
11 H 0.087      
12 H 0.050      
13 H 0.076      
14 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.615 1.817 0.000 1.918
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.751 1.647 0.000
y 1.647 -35.685 0.000
z 0.000 0.000 -39.444
Traceless
 xyz
x 0.814 1.647 0.000
y 1.647 2.412 0.000
z 0.000 0.000 -3.226
Polar
3z2-r2-6.452
x2-y2-1.066
xy1.647
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.719 0.568 0.000
y 0.568 8.837 0.000
z 0.000 0.000 8.376


<r2> (average value of r2) Å2
<r2> 142.360
(<r2>)1/2 11.931