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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-307.299292
Energy at 298.15K-307.310332
Nuclear repulsion energy262.631863
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3023 3005 0.00      
2 Ag 2889 2872 0.00      
3 Ag 1407 1399 0.00      
4 Ag 1360 1352 0.00      
5 Ag 1277 1270 0.00      
6 Ag 1093 1087 0.00      
7 Ag 1003 997 0.00      
8 Ag 831 826 0.00      
9 Ag 423 421 0.00      
10 Ag 409 407 0.00      
11 Au 3022 3004 91.26      
12 Au 2881 2864 54.18      
13 Au 1392 1383 0.96      
14 Au 1329 1321 25.22      
15 Au 1229 1222 36.77      
16 Au 1114 1107 167.38      
17 Au 1059 1053 2.78      
18 Au 873 868 17.13      
19 Au 240 238 0.79      
20 Bg 3021 3003 0.00      
21 Bg 2892 2875 0.00      
22 Bg 1390 1382 0.00      
23 Bg 1291 1283 0.00      
24 Bg 1184 1177 0.00      
25 Bg 1094 1088 0.00      
26 Bg 831 826 0.00      
27 Bg 473 470 0.00      
28 Bu 3021 3003 48.89      
29 Bu 2897 2880 192.75      
30 Bu 1401 1393 14.10      
31 Bu 1343 1336 4.44      
32 Bu 1263 1256 9.86      
33 Bu 1032 1026 9.38      
34 Bu 873 867 63.46      
35 Bu 583 580 9.39      
36 Bu 263 262 13.84      

Unscaled Zero Point Vibrational Energy (zpe) 25850.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25700.8 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 PBEPBE/cc-pVDZ
ABC
0.16862 0.15383 0.09061

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.763 1.168
C2 0.000 0.763 -1.168
C3 0.000 -0.763 1.168
C4 0.000 -0.763 -1.168
O5 -0.648 -1.272 0.000
O6 0.648 1.272 0.000
H7 -1.055 1.133 1.216
H8 -1.055 1.133 -1.216
H9 1.055 -1.133 -1.216
H10 1.055 -1.133 1.216
H11 0.558 1.163 -2.039
H12 0.558 1.163 2.039
H13 -0.558 -1.163 -2.039
H14 -0.558 -1.163 2.039

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.33621.52682.79092.43501.42961.11912.63363.22422.17073.28001.10913.78302.1869
C22.33622.79091.52682.43501.42962.63361.11912.17073.22421.10913.28002.18693.7830
C31.52682.79092.33621.42962.43502.17073.22422.63361.11913.78302.18693.28001.1091
C42.79091.52682.33621.42962.43503.22422.17071.11912.63362.18693.78301.10913.2800
O52.43502.43501.42961.42962.85602.72602.72602.09792.09793.39803.39802.04422.0442
O61.42961.42962.43502.43502.85602.09792.09792.72602.72602.04422.04423.39803.3980
H71.11912.63362.17073.22422.72602.09792.43283.93793.09653.63351.81104.01502.4896
H82.63361.11913.22422.17072.72602.09792.43283.09653.93791.81103.63352.48964.0150
H93.22422.17072.63361.11912.09792.72603.93793.09652.43282.48964.01501.81103.6335
H102.17073.22421.11912.63362.09792.72603.09653.93792.43284.01502.48963.63351.8110
H113.28001.10913.78302.18693.39802.04423.63351.81102.48964.01504.07852.58054.8263
H121.10913.28002.18693.78303.39802.04421.81103.63354.01502.48964.07854.82632.5805
H133.78302.18693.28001.10912.04423.39804.01502.48961.81103.63352.58054.82634.0785
H142.18693.78301.10913.28002.04423.39802.48964.01503.63351.81104.82632.58054.0785

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 110.856 C1 C3 H10 109.284
C1 C3 H14 111.141 C1 O6 C2 109.584
C2 C4 O5 110.856 C2 C4 H9 109.284
C2 C4 H13 111.141 C3 C1 O6 110.856
C3 C1 H7 109.284 C3 C1 H12 111.141
C3 O5 C4 109.584 C4 C2 O6 110.856
C4 C2 H8 109.284 C4 C2 H11 111.141
O5 C3 H10 110.201 O5 C3 H14 106.576
O5 C4 H9 110.201 O5 C4 H13 106.576
O6 C1 H7 110.201 O6 C1 H12 106.576
O6 C2 H8 110.201 O6 C2 H11 106.576
H7 C1 H12 108.735 H8 C2 H11 108.735
H9 C4 H13 108.735 H10 C3 H14 108.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 C 0.098      
3 C 0.098      
4 C 0.098      
5 O -0.278      
6 O -0.278      
7 H 0.017      
8 H 0.017      
9 H 0.017      
10 H 0.017      
11 H 0.024      
12 H 0.024      
13 H 0.024      
14 H 0.024      


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 -38.236 -2.527 0.000
y -2.527 -40.490 0.000
z 0.000 0.000 -31.388
Traceless
 xyz
x -2.297 -2.527 0.000
y -2.527 -5.678 0.000
z 0.000 0.000 7.976
Polar
3z2-r215.951
x2-y22.254
xy-2.527
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.952 -0.247 0.000
y -0.247 7.255 0.000
z 0.000 0.000 9.117


<r2> (average value of r2) Å2
<r2> 141.086
(<r2>)1/2 11.878