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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-306.848572
Energy at 298.15K-306.859983
HF Energy-305.852314
Nuclear repulsion energy265.291964
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 MP3=FULL/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' 3253 3030 25.27      
2 A' 3218 2997 26.63      
3 A' 3199 2981 24.57      
4 A' 3140 2925 20.17      
5 A' 3082 2871 102.03      
6 A' 3046 2838 66.16      
7 A' 1576 1469 3.21      
8 A' 1561 1454 0.34      
9 A' 1528 1423 5.21      
10 A' 1459 1359 23.59      
11 A' 1355 1263 6.17      
12 A' 1252 1166 106.54      
13 A' 1227 1143 82.42      
14 A' 1144 1066 11.30      
15 A' 1036 965 37.82      
16 A' 950 885 9.12      
17 A' 874 815 12.67      
18 A' 667 622 5.79      
19 A' 497 463 0.80      
20 A' 445 414 11.33      
21 A' 271 252 2.45      
22 A" 3215 2995 36.00      
23 A" 3076 2866 16.85      
24 A" 1558 1452 3.30      
25 A" 1486 1384 21.39      
26 A" 1436 1338 0.86      
27 A" 1412 1316 0.17      
28 A" 1374 1280 2.03      
29 A" 1295 1207 36.86      
30 A" 1263 1177 0.17      
31 A" 1150 1071 72.22      
32 A" 1073 999 58.57      
33 A" 946 882 20.02      
34 A" 927 864 0.29      
35 A" 469 437 7.91      
36 A" 272 253 2.91      

Unscaled Zero Point Vibrational Energy (zpe) 27866.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 25960.1 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 MP3=FULL/6-31+G**
ABC
0.16721 0.16090 0.09215

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.612 -1.212 0.000
O2 0.015 -0.760 1.168
O3 0.015 -0.760 -1.168
C4 0.015 0.658 1.240
C5 0.015 0.658 -1.240
C6 0.680 1.250 0.000
H7 -0.548 -2.294 0.000
H8 -1.667 -0.893 0.000
H9 0.547 0.921 2.150
H10 -1.016 1.026 1.326
H11 0.547 0.921 -2.150
H12 -1.016 1.026 -1.326
H13 1.737 0.989 0.000
H14 0.592 2.337 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40121.40122.33042.33042.78091.08401.10183.24342.63273.24342.63273.21933.7483
O21.40122.33671.42012.79502.41832.00912.05232.01842.06833.75803.23622.71813.3602
O31.40122.33672.79501.42012.41832.00912.05233.75803.23622.01842.06832.71813.3602
C42.33041.42012.79502.48021.52643.25162.60261.08641.09783.44182.78942.14762.1655
C52.33042.79501.42012.48021.52643.25162.60263.44182.78941.08641.09782.14762.1655
C62.78092.41832.41831.52641.52643.75123.17812.17932.16372.17932.16371.08931.0905
H71.08402.00912.00913.25163.25163.75121.79344.02043.60594.02043.60593.99994.7699
H81.10182.05232.05232.60262.60263.17811.79343.57992.42173.57992.42173.88943.9418
H93.24342.01843.75801.08643.44182.17934.02043.57991.76974.30043.81222.45872.5748
H102.63272.06833.23621.09782.78942.16373.60592.42171.76973.81222.65133.05552.4619
H113.24343.75802.01843.44181.08642.17934.02043.57994.30043.81221.76972.45872.5748
H122.63273.23622.06832.78941.09782.16373.60592.42173.81222.65131.76973.05552.4619
H133.21932.71812.71812.14762.14761.08933.99993.88942.45873.05552.45873.05551.7691
H143.74833.36023.36022.16552.16551.09054.76993.94182.57482.46192.57482.46191.7691

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 111.376 C1 O3 C5 111.376
O2 C1 O3 112.988 O2 C1 H7 107.192
O2 C1 H8 109.577 O2 C4 C6 110.260
O2 C4 H9 106.516 O2 C4 H10 109.796
O3 C1 H7 107.192 O3 C1 H8 109.577
O3 C5 C6 110.260 O3 C5 H11 106.516
O3 C5 H12 109.796 C4 C6 C5 108.666
C4 C6 H13 109.237 C4 C6 H14 110.586
C5 C6 H13 109.237 C5 C6 H14 110.586
C6 C4 H9 111.940 C6 C4 H10 110.007
C6 C5 H11 111.940 C6 C5 H12 110.007
H7 C1 H8 110.254 H9 C4 H10 108.236
H11 C5 H12 108.236 H13 C6 H14 108.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability