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All results from a given calculation for C4H8O2 (1,3-Dioxane)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-306.827057
Energy at 298.15K-306.838447
Nuclear repulsion energy264.813775
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 CCD/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3233 3046 25.60      
2 A' 3196 3012 27.64      
3 A' 3178 2994 24.73      
4 A' 3119 2939 21.47      
5 A' 3065 2888 103.52      
6 A' 3031 2856 63.77      
7 A' 1571 1480 3.03      
8 A' 1555 1466 0.22      
9 A' 1524 1436 4.84      
10 A' 1454 1370 24.18      
11 A' 1348 1270 5.92      
12 A' 1246 1174 100.86      
13 A' 1223 1152 87.14      
14 A' 1140 1074 12.15      
15 A' 1031 971 37.40      
16 A' 946 892 8.63      
17 A' 870 820 13.66      
18 A' 665 626 5.77      
19 A' 495 467 0.82      
20 A' 442 417 11.39      
21 A' 270 254 2.47      
22 A" 3194 3009 36.26      
23 A" 3058 2882 17.51      
24 A" 1553 1463 2.79      
25 A" 1479 1394 22.07      
26 A" 1432 1349 0.66      
27 A" 1408 1327 0.16      
28 A" 1365 1287 2.03      
29 A" 1290 1216 35.57      
30 A" 1258 1185 0.50      
31 A" 1145 1079 72.49      
32 A" 1069 1007 60.46      
33 A" 942 887 20.40      
34 A" 924 870 0.85      
35 A" 466 439 8.03      
36 A" 270 254 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 27725.3 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 26125.6 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 CCD/6-31+G**
ABC
0.16662 0.16033 0.09181

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.624 -1.209 0.000
O2 0.017 -0.764 1.172
O3 0.017 -0.764 -1.172
C4 0.017 0.663 1.241
C5 0.017 0.663 -1.241
C6 0.685 1.246 0.000
H7 -0.575 -2.294 0.000
H8 -1.670 -0.864 0.000
H9 0.547 0.924 2.155
H10 -1.018 1.024 1.325
H11 0.547 0.924 -2.155
H12 -1.018 1.024 -1.325
H13 1.742 0.976 0.000
H14 0.606 2.337 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40781.40782.33622.33622.78291.08541.10133.25062.62603.25062.62603.22083.7537
O21.40782.34331.42902.80352.42122.01542.05632.02422.07153.76803.24012.71593.3671
O31.40782.34332.80351.42902.42122.01542.05633.76803.24012.02422.07152.71593.3671
C42.33621.42902.80352.48261.52553.26082.59181.08831.09883.44752.78992.14812.1657
C52.33622.80351.42902.48261.52553.26082.59183.44752.78991.08831.09882.14812.1657
C62.78292.42122.42121.52551.52553.75753.16202.18362.16842.18362.16841.09131.0932
H71.08542.01542.01543.26083.26083.75751.80104.03163.59944.03163.59944.00714.7788
H81.10132.05632.05632.59182.59183.16201.80103.57152.39643.57152.39643.87623.9276
H93.25062.02423.76801.08833.44752.18364.03163.57151.77454.31043.81672.46482.5780
H102.62602.07153.24011.09882.78992.16843.59942.39641.77453.81672.64903.06142.4731
H113.25063.76802.02423.44751.08832.18364.03163.57154.31043.81671.77452.46482.5780
H122.62603.24012.07152.78991.09882.16843.59942.39643.81672.64901.77453.06142.4731
H133.22082.71592.71592.14812.14811.09134.00713.87622.46483.06142.46483.06141.7726
H143.75373.36713.36712.16572.16571.09324.77883.92762.57802.47312.57802.47311.7726

picture of 1,3-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C4 110.874 C1 O3 C5 110.874
O2 C1 O3 112.662 O2 C1 H7 107.164
O2 C1 H8 109.465 O2 C4 C6 110.021
O2 C4 H9 106.260 O2 C4 H10 109.368
O3 C1 H7 107.164 O3 C1 H8 109.465
O3 C5 C6 110.021 O3 C5 H11 106.260
O3 C5 H12 109.368 C4 C6 C5 108.913
C4 C6 H13 109.222 C4 C6 H14 110.493
C5 C6 H13 109.222 C5 C6 H14 110.493
C6 C4 H9 112.236 C6 C4 H10 110.380
C6 C5 H11 112.236 C6 C5 H12 110.380
H7 C1 H8 110.891 H9 C4 H10 108.458
H11 C5 H12 108.458 H13 C6 H14 108.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability