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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-305.787434
Energy at 298.15K-305.798375
HF Energy-305.787434
Nuclear repulsion energy 
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 B97D3/3-21G
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 3062 3010 0.00      
2 Ag 2955 2905 0.00      
3 Ag 1504 1478 0.00      
4 Ag 1401 1378 0.00      
5 Ag 1292 1270 0.00      
6 Ag 1110 1091 0.00      
7 Ag 963 946 0.00      
8 Ag 799 785 0.00      
9 Ag 423 416 0.00      
10 Ag 390 383 0.00      
11 Au 3059 3007 81.58      
12 Au 2948 2898 48.16      
13 Au 1489 1464 0.22      
14 Au 1362 1339 27.79      
15 Au 1259 1237 16.37      
16 Au 1070 1051 2.15      
17 Au 1038 1021 119.75      
18 Au 850 835 18.53      
19 Au 222 218 1.78      
20 Bg 3060 3008 0.00      
21 Bg 2958 2908 0.00      
22 Bg 1491 1466 0.00      
23 Bg 1341 1319 0.00      
24 Bg 1210 1190 0.00      
25 Bg 1032 1014 0.00      
26 Bg 846 832 0.00      
27 Bg 455 447 0.00      
28 Bu 3062 3010 69.51      
29 Bu 2964 2914 160.32      
30 Bu 1500 1474 14.51      
31 Bu 1404 1381 0.01      
32 Bu 1286 1264 2.31      
33 Bu 1047 1029 7.86      
34 Bu 807 793 34.44      
35 Bu 575 566 14.65      
36 Bu 262 257 22.57      

Unscaled Zero Point Vibrational Energy (zpe) 26248.0 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 25801.8 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 B97D3/3-21G
ABC
0.16183 0.15012 0.08803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.767 1.196
C2 0.000 0.767 -1.196
C3 0.000 -0.767 1.196
C4 0.000 -0.767 -1.196
O5 -0.704 -1.275 0.000
O6 0.704 1.275 0.000
H7 -1.046 1.124 1.210
H8 -1.046 1.124 -1.210
H9 1.046 -1.124 -1.210
H10 1.046 -1.124 1.210
H11 0.550 1.166 -2.059
H12 0.550 1.166 2.059
H13 -0.550 -1.166 -2.059
H14 -0.550 -1.166 2.059

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13 H14
C12.39261.53472.84252.46911.47791.10492.64823.23482.16143.32511.09783.82562.1873
C22.39262.84251.53472.46911.47792.64821.10492.16143.23481.09783.32512.18733.8256
C31.53472.84252.39261.47792.46912.16143.23482.64821.10493.82562.18733.32511.0978
C42.84251.53472.39261.47792.46913.23482.16141.10492.64822.18733.82561.09783.3251
O52.46912.46911.47791.47792.91222.70872.70872.13272.13273.43043.43042.06722.0672
O61.47791.47792.46912.46912.91222.13272.13272.70872.70872.06722.06723.43043.4304
H71.10492.64822.16143.23482.70872.13272.42093.91023.07073.63791.80744.02232.4923
H82.64821.10493.23482.16142.70872.13272.42093.07073.91021.80743.63792.49234.0223
H93.23482.16142.64821.10492.13272.70873.91023.07072.42092.49234.02231.80743.6379
H102.16143.23481.10492.64822.13272.70873.07073.91022.42094.02232.49233.63791.8074
H113.32511.09783.82562.18733.43042.06723.63791.80742.49234.02234.11732.57874.8581
H121.09783.32512.18733.82563.43042.06721.80743.63794.02232.49234.11734.85812.5787
H133.82562.18733.32511.09782.06723.43044.02232.49231.80743.63792.57874.85814.1173
H142.18733.82561.09783.32512.06723.43042.49234.02233.63791.80744.85812.57874.1173

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 110.374 C1 C3 H10 108.132
C1 C3 H14 111.154 C1 O6 C2 110.218
C2 C4 O5 110.374 C2 C4 H9 108.132
C2 C4 H13 111.154 C3 C1 O6 110.374
C3 C1 H7 108.132 C3 C1 H12 111.154
C3 O5 C4 110.218 C4 C2 O6 110.374
C4 C2 H8 108.132 C4 C2 H11 111.154
O5 C3 H10 110.888 O5 C3 H14 107.039
O5 C4 H9 110.888 O5 C4 H13 107.039
O6 C1 H7 110.888 O6 C1 H12 107.039
O6 C2 H8 110.888 O6 C2 H11 107.039
H7 C1 H12 109.267 H8 C2 H11 109.267
H9 C4 H13 109.267 H10 C3 H14 109.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.183      
2 C -0.183      
3 C -0.183      
4 C -0.183      
5 O -0.448      
6 O -0.448      
7 H 0.197      
8 H 0.197      
9 H 0.197      
10 H 0.197      
11 H 0.210      
12 H 0.210      
13 H 0.210      
14 H 0.210      


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 -38.388 -3.560 0.000
y -3.560 -40.999 0.000
z 0.000 0.000 -29.835
Traceless
 xyz
x -2.971 -3.560 0.000
y -3.560 -6.888 0.000
z 0.000 0.000 9.859
Polar
3z2-r219.718
x2-y22.611
xy-3.560
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.044 -0.047 0.000
y -0.047 6.258 0.000
z 0.000 0.000 8.384


<r2> (average value of r2) Å2
<r2> 144.034
(<r2>)1/2 12.001