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All results from a given calculation for C4H8O2 (1,4-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 C2H 1Ag
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-307.659490
Energy at 298.15K-307.670489
Nuclear repulsion energy261.529028
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 Ag 3003 2994 0.00      
2 Ag 2891 2883 0.00      
3 Ag 1450 1445 0.00      
4 Ag 1367 1363 0.00      
5 Ag 1283 1279 0.00      
6 Ag 1108 1105 0.00      
7 Ag 966 963 0.00      
8 Ag 800 798 0.00      
9 Ag 425 424 0.00      
10 Ag 397 396 0.00      
11 Au 3002 2993 102.11      
12 Au 2883 2875 53.39      
13 Au 1439 1435 0.53      
14 Au 1341 1337 14.09      
15 Au 1238 1234 26.32      
16 Au 1073 1070 11.27      
17 Au 1050 1047 166.77      
18 Au 854 851 22.38      
19 Au 237 236 0.74      
20 Bg 3002 2993 0.00      
21 Bg 2897 2888 0.00      
22 Bg 1441 1436 0.00      
23 Bg 1321 1317 0.00      
24 Bg 1196 1193 0.00      
25 Bg 1054 1051 0.00      
26 Bg 828 825 0.00      
27 Bg 475 474 0.00      
28 Bu 3003 2994 52.04      
29 Bu 2902 2893 189.93      
30 Bu 1446 1442 10.76      
31 Bu 1366 1362 2.25      
32 Bu 1272 1268 8.41      
33 Bu 1028 1025 8.44      
34 Bu 830 828 61.93      
35 Bu 594 592 12.72      
36 Bu 252 251 15.78      

Unscaled Zero Point Vibrational Energy (zpe) 25856.0 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 25778.4 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
0.16536 0.15371 0.08938

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.765 1.186
C2 0.000 0.765 -1.186
C3 0.000 -0.765 1.186
C4 0.000 -0.765 -1.186
O5 -0.642 -1.276 0.000
O6 0.642 1.276 0.000
H7 -1.038 1.138 1.241
H8 -1.038 1.138 -1.241
H9 1.038 -1.138 -1.241
H10 1.038 -1.138 1.241
H11 0.567 1.160 -2.038
H12 0.567 1.160 2.038
H13 -0.567 -1.160 -2.038
H14 -0.567 -1.160 2.038

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.37151.53012.82232.44651.44201.10482.66613.25442.16883.29661.09673.79692.1799
C22.37152.82231.53012.44651.44202.66611.10482.16883.25441.09673.29662.17993.7969
C31.53012.82232.37151.44202.44652.16883.25442.66611.10483.79692.17993.29661.0967
C42.82231.53012.37151.44202.44653.25442.16881.10482.66612.17993.79691.09673.2966
O52.44652.44651.44201.44202.85732.74372.74372.09372.09373.39823.39822.04242.0424
O61.44201.44202.44652.44652.85732.09372.09372.74372.74372.04242.04243.39823.3982
H71.10482.66612.16883.25442.74372.09372.48263.95713.08153.65081.79194.03182.4774
H82.66611.10483.25442.16882.74372.09372.48263.08153.95711.79193.65082.47744.0318
H93.25442.16882.66611.10482.09372.74373.95713.08152.48262.47744.03181.79193.6508
H102.16883.25441.10482.66612.09372.74373.08153.95712.48264.03182.47743.65081.7919
H113.29661.09673.79692.17993.39822.04243.65081.79192.47744.03184.07542.58164.8243
H121.09673.29662.17993.79693.39822.04241.79193.65084.03182.47744.07544.82432.5816
H133.79692.17993.29661.09672.04243.39824.03182.47741.79193.65082.58164.82434.0754
H142.17993.79691.09673.29662.04243.39822.47744.03183.65081.79194.82432.58164.0754

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 110.766 C1 C3 H10 109.741
C1 C3 H14 111.098 C1 O6 C2 110.625
C2 C4 O5 110.766 C2 C4 H9 109.741
C2 C4 H13 111.098 C3 C1 O6 110.766
C3 C1 H7 109.741 C3 C1 H12 111.098
C3 O5 C4 110.625 C4 C2 O6 110.766
C4 C2 H8 109.741 C4 C2 H11 111.098
O5 C3 H10 109.877 O5 C3 H14 106.329
O5 C4 H9 109.877 O5 C4 H13 106.329
O6 C1 H7 109.877 O6 C1 H12 106.329
O6 C2 H8 109.877 O6 C2 H11 106.329
H7 C1 H12 108.962 H8 C2 H11 108.962
H9 C4 H13 108.962 H10 C3 H14 108.962
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.029      
2 C 0.029      
3 C 0.029      
4 C 0.029      
5 O -0.299      
6 O -0.299      
7 H 0.044      
8 H 0.044      
9 H 0.044      
10 H 0.044      
11 H 0.077      
12 H 0.077      
13 H 0.077      
14 H 0.077      


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


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


<r2> (average value of r2) Å2
<r2> 142.685
(<r2>)1/2 11.945