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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-305.833338
Energy at 298.15K-305.844442
HF Energy-305.833338
Nuclear repulsion energy260.965154
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 M06-2X/3-21G*
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 3113 2949 0.00      
2 Ag 3051 2889 0.00      
3 Ag 1545 1463 0.00      
4 Ag 1437 1362 0.00      
5 Ag 1330 1260 0.00      
6 Ag 1151 1090 0.00      
7 Ag 1020 966 0.00      
8 Ag 856 811 0.00      
9 Ag 433 410 0.00      
10 Ag 393 372 0.00      
11 Au 3111 2946 28.23      
12 Au 3046 2886 33.61      
13 Au 1525 1445 0.20      
14 Au 1405 1331 25.17      
15 Au 1290 1221 26.05      
16 Au 1147 1086 111.45      
17 Au 1111 1052 0.59      
18 Au 894 847 13.47      
19 Au 219 208 2.42      
20 Bg 3118 2953 0.00      
21 Bg 3051 2890 0.00      
22 Bg 1526 1445 0.00      
23 Bg 1382 1309 0.00      
24 Bg 1250 1184 0.00      
25 Bg 1138 1078 0.00      
26 Bg 879 832 0.00      
27 Bg 464 439 0.00      
28 Bu 3120 2955 47.91      
29 Bu 3054 2893 74.00      
30 Bu 1539 1458 17.15      
31 Bu 1441 1365 0.47      
32 Bu 1328 1258 5.25      
33 Bu 1080 1023 10.99      
34 Bu 867 821 42.40      
35 Bu 587 556 18.28      
36 Bu 278 263 28.26      

Unscaled Zero Point Vibrational Energy (zpe) 27087.7 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 25657.4 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 M06-2X/3-21G*
ABC
0.16348 0.15407 0.08967

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.765 1.191
C2 0.000 0.765 -1.191
C3 0.000 -0.765 1.191
C4 0.000 -0.765 -1.191
O5 -0.689 -1.251 0.000
O6 0.689 1.251 0.000
H7 -1.039 1.120 1.201
H8 -1.039 1.120 -1.201
H9 1.039 -1.120 -1.201
H10 1.039 -1.120 1.201
H11 0.543 1.165 -2.049
H12 0.543 1.165 2.049
H13 -0.543 -1.165 -2.049
H14 -0.543 -1.165 2.049

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.38241.52912.83082.44081.45981.09832.63223.21772.15213.31021.09173.81062.1807
C22.38242.83081.52912.44081.45982.63221.09832.15213.21771.09173.31022.18073.8106
C31.52912.83082.38241.45982.44082.15213.21772.63221.09833.81062.18073.31021.0917
C42.83081.52912.38241.45982.44083.21772.15211.09832.63222.18073.81061.09173.3102
O52.44082.44081.45981.45982.85722.68102.68102.10882.10883.39973.39972.05652.0565
O61.45981.45982.44082.44082.85722.10882.10882.68102.68102.05652.05653.39973.3997
H71.09832.63222.15213.21772.68102.10882.40193.88673.05573.61521.79574.00432.4878
H82.63221.09833.21772.15212.68102.10882.40193.05573.88671.79573.61522.48784.0043
H93.21772.15212.63221.09832.10882.68103.88673.05572.40192.48784.00431.79573.6152
H102.15213.21771.09832.63222.10882.68103.05573.88672.40194.00432.48783.61521.7957
H113.31021.09173.81062.18073.39972.05653.61521.79572.48784.00434.09902.57094.8385
H121.09173.31022.18073.81063.39972.05651.79573.61524.00432.48784.09904.83852.5709
H133.81062.18073.31021.09172.05653.39974.00432.48781.79573.61522.57094.83854.0990
H142.18073.81061.09173.31022.05653.39972.48784.00433.61521.79574.83852.57094.0990

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 109.478 C1 C3 H10 108.884
C1 C3 H14 111.535 C1 O6 C2 109.371
C2 C4 O5 109.478 C2 C4 H9 108.884
C2 C4 H13 111.535 C3 C1 O6 109.478
C3 C1 H7 108.884 C3 C1 H12 111.535
C3 O5 C4 109.371 C4 C2 O6 109.478
C4 C2 H8 108.884 C4 C2 H11 111.535
O5 C3 H10 110.248 O5 C3 H14 106.521
O5 C4 H9 110.248 O5 C4 H13 106.521
O6 C1 H7 110.248 O6 C1 H12 106.521
O6 C2 H8 110.248 O6 C2 H11 106.521
H7 C1 H12 110.157 H8 C2 H11 110.157
H9 C4 H13 110.157 H10 C3 H14 110.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 C -0.164      
3 C -0.164      
4 C -0.164      
5 O -0.502      
6 O -0.502      
7 H 0.200      
8 H 0.200      
9 H 0.200      
10 H 0.200      
11 H 0.216      
12 H 0.216      
13 H 0.216      
14 H 0.216      


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 -38.808 -3.957 0.000
y -3.957 -41.484 0.000
z 0.000 0.000 -29.603
Traceless
 xyz
x -3.265 -3.957 0.000
y -3.957 -7.278 0.000
z 0.000 0.000 10.543
Polar
3z2-r221.087
x2-y22.676
xy-3.957
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.705 -0.072 0.000
y -0.072 5.791 0.000
z 0.000 0.000 7.856


<r2> (average value of r2) Å2
<r2> 142.134
(<r2>)1/2 11.922