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

using model chemistry: CCD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-306.869419
Energy at 298.15K-306.880846
Nuclear repulsion energy265.516502
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/6-311G*
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' 3170 3028 31.66      
2 A' 3134 2993 29.49      
3 A' 3120 2980 24.61      
4 A' 3065 2927 19.54      
5 A' 3006 2871 105.63      
6 A' 2967 2834 66.54      
7 A' 1558 1488 5.21      
8 A' 1540 1471 0.49      
9 A' 1506 1439 7.17      
10 A' 1446 1381 20.13      
11 A' 1350 1289 6.57      
12 A' 1249 1193 131.61      
13 A' 1223 1168 58.74      
14 A' 1141 1090 9.90      
15 A' 1037 991 42.23      
16 A' 946 904 10.05      
17 A' 872 832 9.74      
18 A' 670 640 5.51      
19 A' 495 472 1.24      
20 A' 454 434 11.78      
21 A' 274 261 1.89      
22 A" 3131 2990 41.45      
23 A" 2999 2864 19.32      
24 A" 1540 1471 5.70      
25 A" 1480 1413 15.57      
26 A" 1421 1357 0.87      
27 A" 1397 1334 0.03      
28 A" 1370 1309 2.21      
29 A" 1290 1232 41.13      
30 A" 1261 1205 0.03      
31 A" 1152 1100 74.25      
32 A" 1069 1021 48.95      
33 A" 948 906 14.72      
34 A" 922 881 0.27      
35 A" 472 451 6.81      
36 A" 279 267 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 27475.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 26241.6 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/6-311G*
ABC
0.16806 0.16082 0.09249

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.623 -1.194 0.000
O2 0.016 -0.763 1.168
O3 0.016 -0.763 -1.168
C4 0.016 0.656 1.239
C5 0.016 0.656 -1.239
C6 0.690 1.242 0.000
H7 -0.586 -2.284 0.000
H8 -1.673 -0.843 0.000
H9 0.543 0.920 2.160
H10 -1.023 1.021 1.319
H11 0.543 0.920 -2.160
H12 -1.023 1.021 -1.319
H13 1.748 0.957 0.000
H14 0.624 2.338 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39951.39952.31662.31662.76781.09051.10723.23992.60953.23992.60953.20183.7461
O21.39952.33561.42002.79372.41592.01052.05502.02332.07003.76613.23212.70573.3685
O31.39952.33562.79371.42002.41592.01052.05503.76613.23212.02332.07002.70573.3685
C42.31661.42002.79372.47831.52763.24672.57541.09351.10423.44982.78512.15122.1761
C52.31662.79371.42002.47831.52763.24672.57543.44982.78511.09351.10422.15122.1761
C62.76782.41592.41591.52761.52763.75023.15112.18872.17312.18872.17311.09621.0979
H71.09052.01052.01053.24673.24673.75021.80534.02613.58584.02613.58583.99434.7781
H81.10722.05502.05502.57542.57543.15111.80533.56152.37423.56152.37423.86563.9234
H93.23992.02333.76611.09353.44982.18874.02613.56151.78054.31983.81652.47372.5849
H102.60952.07003.23211.10422.78512.17313.58582.37421.78053.81652.63803.06992.4871
H113.23993.76612.02333.44981.09352.18874.02613.56154.31983.81651.78052.47372.5849
H122.60953.23212.07002.78511.10422.17313.58582.37423.81652.63801.78053.06992.4871
H133.20182.70572.70572.15122.15121.09623.99433.86562.47373.06992.47373.06991.7810
H143.74613.36853.36852.17612.17611.09794.77813.92342.58492.48712.58492.48711.7810

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 110.489 C1 O3 C5 110.489
O2 C1 O3 113.113 O2 C1 H7 107.035
O2 C1 H8 109.570 O2 C4 C6 110.037
O2 C4 H9 106.491 O2 C4 H10 109.542
O3 C1 H7 107.035 O3 C1 H8 109.570
O3 C5 C6 110.037 O3 C5 H11 106.491
O3 C5 H12 109.542 C4 C6 C5 108.417
C4 C6 H13 109.032 C4 C6 H14 110.899
C5 C6 H13 109.032 C5 C6 H14 110.899
C6 C4 H9 112.171 C6 C4 H10 110.282
C6 C5 H11 112.171 C6 C5 H12 110.282
H7 C1 H8 110.459 H9 C4 H10 108.215
H11 C5 H12 108.215 H13 C6 H14 108.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability