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

using model chemistry: HF/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-305.952797
Energy at 298.15K-305.964424
Nuclear repulsion energy267.719678
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/aug-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 2985 42.33      
2 A' 3243 2952 42.00      
3 A' 3214 2926 53.81      
4 A' 3172 2888 25.11      
5 A' 3123 2843 138.81      
6 A' 3092 2815 58.96      
7 A' 1660 1512 2.50      
8 A' 1637 1491 0.69      
9 A' 1598 1455 5.25      
10 A' 1544 1405 24.44      
11 A' 1432 1304 9.74      
12 A' 1341 1221 181.48      
13 A' 1303 1186 74.06      
14 A' 1215 1106 20.49      
15 A' 1097 999 42.39      
16 A' 988 900 17.70      
17 A' 911 829 10.82      
18 A' 714 650 4.95      
19 A' 533 486 0.50      
20 A' 446 406 12.11      
21 A' 271 247 2.31      
22 A" 3239 2949 58.74      
23 A" 3114 2835 18.98      
24 A" 1634 1487 5.09      
25 A" 1579 1437 18.81      
26 A" 1516 1380 2.76      
27 A" 1494 1361 1.26      
28 A" 1452 1322 2.33      
29 A" 1371 1248 49.31      
30 A" 1336 1217 0.46      
31 A" 1213 1104 99.03      
32 A" 1120 1019 45.67      
33 A" 1000 911 15.44      
34 A" 968 881 0.03      
35 A" 498 453 8.13      
36 A" 273 249 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 28810.2 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 26228.8 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/aug-cc-pVTZ
ABC
0.16956 0.16445 0.09342

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.596 -1.216 0.000
O2 0.015 -0.750 1.148
O3 0.015 -0.750 -1.148
C4 0.015 0.650 1.237
C5 0.015 0.650 -1.237
C6 0.662 1.253 0.000
H7 -0.513 -2.290 0.000
H8 -1.648 -0.925 0.000
H9 0.552 0.908 2.138
H10 -1.009 1.009 1.341
H11 0.552 0.908 -2.138
H12 -1.009 1.009 -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
C11.38181.38182.32082.32082.77181.07711.09203.22512.63063.22512.63063.22193.7292
O21.38182.29661.40212.76582.39791.99262.02852.00392.04363.71963.21522.71483.3321
O31.38182.29662.76581.40212.39791.99262.02853.71963.21522.00392.04362.71483.3321
C42.32081.40212.76582.47481.52153.23302.60301.07981.08983.42752.79772.14042.1562
C52.32082.76581.40212.47481.52153.23302.60303.42752.79771.07981.08982.14042.1562
C62.77182.39792.39791.52151.52153.73343.17542.16842.15692.16842.15691.08361.0846
H71.07711.99261.99263.23303.23303.73341.77593.99173.59543.99173.59543.99554.7432
H81.09202.02852.02852.60302.60303.17541.77593.57352.43843.57352.43843.89153.9297
H93.22512.00393.71961.07983.42752.16843.99173.57351.75504.27573.81452.43942.5688
H102.63062.04363.21521.08982.79772.15693.59542.43841.75503.81452.68273.04172.4460
H113.22513.71962.00393.42751.07982.16843.99173.57354.27573.81451.75502.43942.5688
H122.63063.21522.04362.79771.08982.15693.59542.43843.81452.68271.75503.04172.4460
H133.22192.71482.71482.14042.14041.08363.99553.89152.43943.04172.43943.04171.7566
H143.72923.33213.33212.15622.15621.08464.74323.92972.56882.44602.56882.44601.7566

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 112.951 C1 O3 C5 112.951
O2 C1 O3 112.404 O2 C1 H7 107.618
O2 C1 H8 109.616 O2 C4 C6 110.142
O2 C4 H9 106.975 O2 C4 H10 109.554
O3 C1 H7 107.618 O3 C1 H8 109.616
O3 C5 C6 110.142 O3 C5 H11 106.975
O3 C5 H12 109.554 C4 C6 C5 108.837
C4 C6 H13 109.342 C4 C6 H14 110.538
C5 C6 H13 109.342 C5 C6 H14 110.538
C6 C4 H9 111.814 C6 C4 H10 110.282
C6 C5 H11 111.814 C6 C5 H12 110.282
H7 C1 H8 109.914 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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.252      
2 O -0.677      
3 O -0.677      
4 C -0.243      
5 C -0.243      
6 C -0.637      
7 H 0.536      
8 H 0.325      
9 H 0.371      
10 H 0.279      
11 H 0.371      
12 H 0.279      
13 H 0.250      
14 H 0.317      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.823 2.018 0.000 2.179
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.860 1.699 0.000
y 1.699 -35.218 0.000
z 0.000 0.000 -39.225
Traceless
 xyz
x 1.362 1.699 0.000
y 1.699 2.324 0.000
z 0.000 0.000 -3.686
Polar
3z2-r2-7.372
x2-y2-0.642
xy1.699
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.060 0.411 0.000
y 0.411 7.956 0.000
z 0.000 0.000 7.661


<r2> (average value of r2) Å2
<r2> 137.461
(<r2>)1/2 11.724