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

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-342.139285
Energy at 298.15K 
HF Energy-341.474622
Nuclear repulsion energy262.463545
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 CCD/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 3193 3064 9.36      
2 A1 2985 2864 148.80      
3 A1 1564 1501 6.46      
4 A1 1227 1178 11.48      
5 A1 945 907 86.92      
6 A1 713 684 1.60      
7 A1 419 402 30.72      
8 A2 1399 1342 0.00      
9 A2 1230 1180 0.00      
10 A2 973 934 0.00      
11 E 3187 3058 16.79      
11 E 3187 3058 16.79      
12 E 2973 2852 17.32      
12 E 2973 2852 17.32      
13 E 1545 1482 0.00      
13 E 1545 1482 0.00      
14 E 1442 1384 18.10      
14 E 1442 1384 18.10      
15 E 1307 1254 0.00      
15 E 1307 1254 0.00      
16 E 1154 1107 150.59      
16 E 1154 1107 150.59      
17 E 1044 1002 87.08      
17 E 1044 1002 87.08      
18 E 890 854 23.29      
18 E 890 854 23.29      
19 E 502 482 14.54      
19 E 502 482 14.54      
20 E 271 260 0.32      
20 E 271 260 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 21639.2 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 20762.8 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 CCD/6-31G
ABC
0.16513 0.16513 0.09129

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.384 0.185
C2 -1.198 -0.692 0.185
C3 1.198 -0.692 0.185
O4 -1.202 0.694 -0.264
O5 1.202 0.694 -0.264
O6 0.000 -1.388 -0.264
H7 0.000 2.370 -0.283
H8 0.000 1.450 1.291
H9 -2.052 -1.185 -0.283
H10 -1.256 -0.725 1.291
H11 2.052 -1.185 -0.283
H12 1.256 -0.725 1.291

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.39692.39691.45661.45662.80751.09111.10823.32092.69203.32092.6920
C22.39692.39691.45662.80751.45663.32092.69201.09111.10823.32092.6920
C32.39692.39692.80751.45661.45663.32092.69203.32092.69201.09111.1082
O41.45661.45662.80752.40332.40332.06232.10572.06232.10573.75733.2356
O51.45662.80751.45662.40332.40332.06232.10573.75733.23562.06232.1057
O62.80751.45661.45662.40332.40333.75733.23562.06232.10572.06232.1057
H71.09113.32093.32092.06232.06233.75731.82284.10443.69184.10443.6918
H81.10822.69202.69202.10572.10573.23561.82283.69182.51123.69182.5112
H93.32091.09113.32092.06233.75732.06234.10443.69181.82284.10443.6918
H102.69201.10822.69202.10573.23562.10573.69182.51121.82283.69182.5112
H113.32093.32091.09113.75732.06232.06234.10443.69184.10443.69181.8228
H122.69202.69201.10823.23562.10572.10573.69182.51123.69182.51121.8228

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 110.725 C1 O5 C3 110.725
C2 O6 C3 110.725 O4 C1 O5 111.172
O4 C1 H7 107.219 O4 C1 H8 109.624
O4 C2 O6 111.172 O4 C2 H9 107.219
O4 C2 H10 109.624 O5 C1 H7 107.219
O5 C1 H8 109.624 O5 C3 O6 111.172
O5 C3 H11 107.219 O5 C3 H12 109.624
O6 C2 H9 107.219 O6 C2 H10 109.624
O6 C3 H11 107.219 O6 C3 H12 109.624
H7 C1 H8 111.955 H9 C2 H10 111.955
H11 C3 H12 111.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability