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

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-342.800620
Energy at 298.15K 
HF Energy-341.698621
Nuclear repulsion energy268.018332
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 MP4/6-31G*
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 3183 3109        
2 A1 2978 2910        
3 A1 1565 1528        
4 A1 1263 1234        
5 A1 1003 980        
6 A1 756 738        
7 A1 481 470        
8 A2 1407 1374        
9 A2 1260 1231        
10 A2 996 973        
11 E 3179 3106        
11 E 3179 3106        
12 E 2962 2894        
12 E 2962 2894        
13 E 1545 1509        
13 E 1545 1509        
14 E 1462 1428        
14 E 1462 1428        
15 E 1344 1313        
15 E 1343 1312        
16 E 1208 1180        
16 E 1208 1180        
17 E 1099 1074        
17 E 1099 1074        
18 E 972 949        
18 E 971 949        
19 E 525 513        
19 E 525 512        
20 E 306 299        
20 E 305 298        

Unscaled Zero Point Vibrational Energy (zpe) 22044.5 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 21535.3 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 MP4/aug-cc-pVDZ
ABC
0.17262 0.17262 0.09625

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.336 0.188
C2 -1.157 -0.668 0.188
C3 1.157 -0.668 0.188
O4 -1.177 0.679 -0.275
O5 1.177 0.679 -0.275
O6 0.000 -1.359 -0.275
H7 0.000 2.352 -0.231
H8 0.000 1.351 1.303
H9 -2.036 -1.176 -0.231
H10 -1.170 -0.676 1.303
H11 2.036 -1.176 -0.231
H12 1.170 -0.676 1.303

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.31472.31471.42521.42522.73491.09831.11443.26092.58053.26092.5805
C22.31472.31471.42522.73491.42523.26092.58051.09831.11443.26092.5805
C32.31472.31472.73491.42521.42523.26092.58053.26092.58051.09831.1144
O41.42521.42522.73492.35382.35382.04522.07982.04522.07983.71083.1360
O51.42522.73491.42522.35382.35382.04522.07983.71083.13602.04522.0798
O62.73491.42521.42522.35382.35383.71083.13602.04522.07982.04522.0798
H71.09833.26093.26092.04522.04523.71081.83084.07303.58954.07303.5895
H81.11442.58052.58052.07982.07983.13601.83083.58952.34043.58952.3404
H93.26091.09833.26092.04523.71082.04524.07303.58951.83084.07303.5895
H102.58051.11442.58052.07983.13602.07983.58952.34041.83083.58952.3404
H113.26093.26091.09833.71082.04522.04524.07303.58954.07303.58951.8308
H122.58052.58051.11443.13602.07982.07983.58952.34043.58952.34041.8308

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 108.588 C1 O5 C3 108.588
C2 O6 C3 108.588 O4 C1 O5 111.329
O4 C1 H7 107.575 O4 C1 H8 109.345
O4 C2 O6 111.329 O4 C2 H9 107.575
O4 C2 H10 109.345 O5 C1 H7 107.575
O5 C1 H8 109.345 O5 C3 O6 111.329
O5 C3 H11 107.575 O5 C3 H12 109.345
O6 C2 H9 107.576 O6 C2 H10 109.345
O6 C3 H11 107.576 O6 C3 H12 109.345
H7 C1 H8 111.667 H9 C2 H10 111.666
H11 C3 H12 111.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability