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All results from a given calculation for C4H8O2 (1,4-Dioxane)

using model chemistry: SVWN/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at SVWN/TZVP
 hartrees
Energy at 0K-306.175755
Energy at 298.15K-306.186893
HF Energy-306.175755
Nuclear repulsion energy266.541590
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 SVWN/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3031 2997 0.00      
2 Ag 2887 2854 0.00      
3 Ag 1407 1391 0.00      
4 Ag 1361 1346 0.00      
5 Ag 1290 1275 0.00      
6 Ag 1104 1091 0.00      
7 Ag 1029 1018 0.00      
8 Ag 857 847 0.00      
9 Ag 430 426 0.00      
10 Ag 425 420 0.00      
11 Au 3030 2995 60.56      
12 Au 2882 2849 45.98      
13 Au 1392 1376 5.74      
14 Au 1331 1316 13.07      
15 Au 1243 1229 57.99      
16 Au 1159 1145 155.55      
17 Au 1066 1054 1.76      
18 Au 889 879 14.02      
19 Au 255 252 1.10      
20 Bg 3030 2995 0.00      
21 Bg 2898 2864 0.00      
22 Bg 1393 1377 0.00      
23 Bg 1296 1282 0.00      
24 Bg 1197 1183 0.00      
25 Bg 1147 1134 0.00      
26 Bg 840 830 0.00      
27 Bg 464 459 0.00      
28 Bu 3030 2995 20.04      
29 Bu 2899 2865 148.65      
30 Bu 1399 1383 26.42      
31 Bu 1344 1329 3.99      
32 Bu 1277 1263 9.35      
33 Bu 1050 1038 10.54      
34 Bu 899 889 74.29      
35 Bu 585 578 12.02      
36 Bu 272 269 18.19      

Unscaled Zero Point Vibrational Energy (zpe) 26044.3 cm-1
Scaled (by 0.9885) Zero Point Vibrational Energy (zpe) 25744.8 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 SVWN/TZVP
ABC
0.17365 0.15878 0.09350

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.756 1.146
C2 0.000 -0.756 -1.146
C3 0.000 0.756 1.146
C4 0.000 0.756 -1.146
O5 0.662 1.248 0.000
O6 -0.662 -1.248 0.000
H7 1.046 -1.111 1.159
H8 1.046 -1.111 -1.159
H9 -1.046 1.111 -1.159
H10 -1.046 1.111 1.159
H11 -0.523 -1.143 -2.034
H12 -0.523 -1.143 2.034
H13 0.523 1.143 -2.034
H14 0.523 1.143 2.034

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.29131.51252.74542.40181.41161.10452.55563.14492.13993.24531.10083.74012.1606
C22.29132.74541.51252.40181.41162.55561.10452.13993.14491.10083.24532.16063.7401
C31.51252.74542.29131.41162.40182.13993.14492.55561.10453.74012.16063.24531.1008
C42.74541.51252.29131.41162.40183.14492.13991.10452.55562.16063.74011.10083.2453
O52.40182.40181.41161.41162.82572.65612.65612.06862.06863.35513.35512.04142.0414
O61.41161.41162.40182.40182.82572.06862.06862.65612.65612.04142.04143.35513.3551
H71.10452.55562.13993.14492.65612.06862.31813.83193.05133.55771.79663.94282.4731
H82.55561.10453.14492.13992.65612.06862.31813.05133.83191.79663.55772.47313.9428
H93.14492.13992.55561.10452.06862.65613.83193.05132.31812.47313.94281.79663.5577
H102.13993.14491.10452.55562.06862.65613.05133.83192.31813.94282.47313.55771.7966
H113.24531.10083.74012.16063.35512.04143.55771.79662.47313.94284.06782.51324.7815
H121.10083.24532.16063.74013.35512.04141.79663.55773.94282.47314.06784.78152.5132
H133.74012.16063.24531.10082.04143.35513.94282.47311.79663.55772.51324.78154.0678
H142.16063.74011.10083.24532.04143.35512.47313.94283.55771.79664.78152.51324.0678

picture of 1,4-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 O5 110.399 C1 C3 H10 108.713
C1 C3 H14 110.551 C1 O6 C2 108.503
C2 C4 O5 110.399 C2 C4 H9 108.713
C2 C4 H13 110.551 C3 C1 O6 110.399
C3 C1 H7 108.713 C3 C1 H12 110.551
C3 O5 C4 108.503 C4 C2 O6 110.399
C4 C2 H8 108.713 C4 C2 H11 110.551
O5 C3 H10 110.002 O5 C3 H14 108.049
O5 C4 H9 110.002 O5 C4 H13 108.049
O6 C1 H7 110.002 O6 C1 H12 108.049
O6 C2 H8 110.002 O6 C2 H11 108.049
H7 C1 H12 109.114 H8 C2 H11 109.114
H9 C4 H13 109.114 H10 C3 H14 109.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.230      
2 C -0.230      
3 C -0.230      
4 C -0.230      
5 O -0.208      
6 O -0.208      
7 H 0.155      
8 H 0.155      
9 H 0.155      
10 H 0.155      
11 H 0.178      
12 H 0.178      
13 H 0.178      
14 H 0.178      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.254 -3.252 0.000
y -3.252 -41.482 0.000
z 0.000 0.000 -31.088
Traceless
 xyz
x -2.969 -3.252 0.000
y -3.252 -6.312 0.000
z 0.000 0.000 9.280
Polar
3z2-r218.561
x2-y22.228
xy-3.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.656 -0.267 0.000
y -0.267 7.889 0.000
z 0.000 0.000 9.406


<r2> (average value of r2) Å2
<r2> 137.919
(<r2>)1/2 11.744