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All results from a given calculation for C3H6O3 (1,3,5-Trioxane)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-342.867380
Energy at 298.15K 
HF Energy-341.688563
Nuclear repulsion energy272.531721
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 MP2=FULL/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3217 3024 7.33      
2 A1 3029 2847 132.50      
3 A1 1557 1463 6.03      
4 A1 1271 1195 19.42      
5 A1 1020 959 66.49      
6 A1 769 722 0.75      
7 A1 496 466 18.31      
8 A2 1428 1342 0.00      
9 A2 1286 1209 0.00      
10 A2 1030 968 0.00      
11 E 3215 3021 25.86      
11 E 3215 3021 25.86      
12 E 3016 2835 18.65      
12 E 3016 2835 18.65      
13 E 1538 1446 1.13      
13 E 1538 1446 1.13      
14 E 1472 1384 23.54      
14 E 1472 1384 23.54      
15 E 1367 1285 1.41      
15 E 1367 1285 1.41      
16 E 1230 1156 229.16      
16 E 1230 1156 229.16      
17 E 1114 1047 38.90      
17 E 1114 1047 38.90      
18 E 1001 941 33.56      
18 E 1001 941 33.56      
19 E 536 504 8.30      
19 E 536 504 8.30      
20 E 315 296 0.08      
20 E 315 296 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 22355.4 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 21011.8 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 MP2=FULL/6-31G(2df,p)
ABC
0.17855 0.17855 0.09960

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.311 0.185
C2 -1.135 -0.655 0.185
C3 1.135 -0.655 0.185
O4 -1.158 0.669 -0.271
O5 1.158 0.669 -0.271
O6 0.000 -1.337 -0.271
H7 0.000 2.317 -0.223
H8 0.000 1.335 1.286
H9 -2.007 -1.158 -0.223
H10 -1.156 -0.667 1.286
H11 2.007 -1.158 -0.223
H12 1.156 -0.667 1.286

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.26992.26991.40031.40032.68671.08591.10133.20752.54193.20752.5419
C22.26992.26991.40032.68671.40033.20752.54191.08591.10133.20752.5419
C32.26992.26992.68671.40031.40033.20752.54193.20752.54191.08591.1013
O41.40031.40032.68672.31612.31612.01502.05142.01502.05143.65443.0925
O51.40032.68671.40032.31612.31612.01502.05143.65443.09252.01502.0514
O62.68671.40031.40032.31612.31613.65443.09252.01502.05142.01502.0514
H71.08593.20753.20752.01502.01503.65441.80034.01303.53834.01303.5383
H81.10132.54192.54192.05142.05143.09251.80033.53832.31223.53832.3122
H93.20751.08593.20752.01503.65442.01504.01303.53831.80034.01303.5383
H102.54191.10132.54192.05143.09252.05143.53832.31221.80033.53832.3122
H113.20753.20751.08593.65442.01502.01504.01303.53834.01303.53831.8003
H122.54192.54191.10133.09252.05142.05143.53832.31223.53832.31221.8003

picture of 1,3,5-Trioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 108.295 C1 O5 C3 108.295
C2 O6 C3 108.295 O4 C1 O5 111.584
O4 C1 H7 107.617 O4 C1 H8 109.603
O4 C2 O6 111.584 O4 C2 H9 107.617
O4 C2 H10 109.603 O5 C1 H7 107.617
O5 C1 H8 109.603 O5 C3 O6 111.584
O5 C3 H11 107.617 O5 C3 H12 109.603
O6 C2 H9 107.617 O6 C2 H10 109.603
O6 C3 H11 107.617 O6 C3 H12 109.603
H7 C1 H8 110.792 H9 C2 H10 110.792
H11 C3 H12 110.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability