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

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-343.019364
Energy at 298.15K 
HF Energy-341.788979
Nuclear repulsion energy271.206976
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/aug-cc-pVTZ
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 3201 3050 4.13      
2 A1 3001 2859 148.35      
3 A1 1541 1469 5.68      
4 A1 1250 1191 19.44      
5 A1 995 948 71.41      
6 A1 757 721 0.57      
7 A1 482 459 18.11      
8 A2 1408 1342 0.00      
9 A2 1261 1201 0.00      
10 A2 990 943 0.00      
11 E 3199 3048 19.65      
11 E 3199 3048 19.65      
12 E 2991 2850 18.82      
12 E 2991 2850 18.82      
13 E 1523 1451 1.12      
13 E 1523 1451 1.12      
14 E 1442 1374 17.30      
14 E 1442 1374 17.30      
15 E 1341 1278 1.98      
15 E 1341 1278 1.98      
16 E 1205 1148 225.58      
16 E 1205 1148 225.58      
17 E 1092 1040 52.19      
17 E 1092 1040 52.19      
18 E 968 922 53.96      
18 E 968 922 53.96      
19 E 527 503 8.42      
19 E 527 503 8.42      
20 E 305 291 0.06      
20 E 305 291 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 22033.4 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 20995.6 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 MP2/aug-cc-pVTZ
ABC
0.17673 0.17673 0.09847

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.322 0.185
C2 -1.145 -0.661 0.185
C3 1.145 -0.661 0.185
O4 -1.163 0.672 -0.271
O5 1.163 0.672 -0.271
O6 0.000 -1.343 -0.271
H7 0.000 2.324 -0.228
H8 0.000 1.340 1.285
H9 -2.013 -1.162 -0.228
H10 -1.160 -0.670 1.285
H11 2.013 -1.162 -0.228
H12 1.160 -0.670 1.285

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28902.28901.40821.40822.70341.08411.10043.22342.55393.22342.5539
C22.28902.28901.40822.70341.40823.22342.55391.08411.10043.22342.5539
C32.28902.28902.70341.40821.40823.22342.55393.22342.55391.08411.1004
O41.40821.40822.70342.32642.32642.02142.05422.02142.05423.66773.1013
O51.40822.70341.40822.32642.32642.02142.05423.66773.10132.02142.0542
O62.70341.40821.40822.32642.32643.66773.10132.02142.05422.02142.0542
H71.08413.22343.22342.02142.02143.66771.80474.02573.54944.02573.5494
H81.10042.55392.55392.05422.05423.10131.80473.54942.32043.54942.3204
H93.22341.08413.22342.02143.66772.02144.02573.54941.80474.02573.5494
H102.55391.10042.55392.05423.10132.05423.54942.32041.80473.54942.3204
H113.22343.22341.08413.66772.02142.02144.02573.54944.02573.54941.8047
H122.55392.55391.10043.10132.05422.05423.54942.32043.54942.32041.8047

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 108.730 C1 O5 C3 108.730
C2 O6 C3 108.730 O4 C1 O5 111.387
O4 C1 H7 107.692 O4 C1 H8 109.329
O4 C2 O6 111.387 O4 C2 H9 107.692
O4 C2 H10 109.329 O5 C1 H7 107.692
O5 C1 H8 109.329 O5 C3 O6 111.387
O5 C3 H11 107.692 O5 C3 H12 109.329
O6 C2 H9 107.692 O6 C2 H10 109.329
O6 C3 H11 107.692 O6 C3 H12 109.329
H7 C1 H8 111.407 H9 C2 H10 111.407
H11 C3 H12 111.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability