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

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-342.637015
Energy at 298.15K 
HF Energy-341.669813
Nuclear repulsion energy269.832386
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 MP2/6-31+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 A1 3264 3070 6.33      
2 A1 3055 2874 163.25      
3 A1 1567 1474 3.81      
4 A1 1256 1182 21.08      
5 A1 992 933 77.83      
6 A1 755 710 0.58      
7 A1 479 450 20.17      
8 A2 1421 1336 0.00      
9 A2 1270 1195 0.00      
10 A2 1001 942 0.00      
11 E 3262 3068 20.35      
11 E 3262 3068 20.35      
12 E 3044 2863 20.29      
12 E 3044 2863 20.29      
13 E 1548 1456 0.42      
13 E 1548 1456 0.42      
14 E 1463 1376 30.78      
14 E 1463 1376 30.78      
15 E 1350 1270 1.40      
15 E 1350 1270 1.40      
16 E 1211 1139 232.52      
16 E 1211 1139 232.52      
17 E 1096 1031 57.45      
17 E 1096 1031 57.45      
18 E 965 907 56.09      
18 E 965 907 56.09      
19 E 522 491 10.11      
19 E 522 491 10.11      
20 E 305 287 0.14      
20 E 305 287 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 22295.9 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 20971.5 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 MP2/6-31+G**
ABC
0.17487 0.17487 0.09732

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.332 0.185
C2 -1.153 -0.666 0.185
C3 1.153 -0.666 0.185
O4 -1.169 0.675 -0.270
O5 1.169 0.675 -0.270
O6 0.000 -1.350 -0.270
H7 0.000 2.330 -0.237
H8 0.000 1.358 1.286
H9 -2.018 -1.165 -0.237
H10 -1.176 -0.679 1.286
H11 2.018 -1.165 -0.237
H12 1.176 -0.679 1.286

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30632.30631.41591.41592.71961.08391.10043.23752.57583.23752.5758
C22.30632.30631.41592.71961.41593.23752.57581.08391.10043.23752.5758
C32.30632.30632.71961.41591.41593.23752.57583.23752.57581.08391.1004
O41.41591.41592.71962.33752.33752.02632.06222.02632.06223.67943.1225
O51.41592.71961.41592.33752.33752.02632.06223.67943.12252.02632.0622
O62.71961.41591.41592.33752.33753.67943.12252.02632.06222.02632.0622
H71.08393.23753.23752.02632.02633.67941.80644.03523.57114.03523.5711
H81.10042.57582.57582.06222.06223.12251.80643.57112.35173.57112.3517
H93.23751.08393.23752.02633.67942.02634.03523.57111.80644.03523.5711
H102.57581.10042.57582.06223.12252.06223.57112.35171.80643.57112.3517
H113.23753.23751.08393.67942.02632.02634.03523.57114.03523.57111.8064
H122.57582.57581.10043.12252.06222.06223.57112.35173.57112.35171.8064

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 109.058 C1 O5 C3 109.058
C2 O6 C3 109.058 O4 C1 O5 111.267
O4 C1 H7 107.562 O4 C1 H8 109.432
O4 C2 O6 111.267 O4 C2 H9 107.562
O4 C2 H10 109.432 O5 C1 H7 107.562
O5 C1 H8 109.432 O5 C3 O6 111.267
O5 C3 H11 107.562 O5 C3 H12 109.432
O6 C2 H9 107.562 O6 C2 H10 109.432
O6 C3 H11 107.562 O6 C3 H12 109.432
H7 C1 H8 111.576 H9 C2 H10 111.576
H11 C3 H12 111.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability