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

using model chemistry: CCSD(T)/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at CCSD(T)/6-311G*
 hartrees
Energy at 0K-342.786131
Energy at 298.15K 
HF Energy-341.731788
Nuclear repulsion energy270.592123
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 CCSD(T)/6-311G*
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 3159 3041        
2 A1 2960 2849        
3 A1 1551 1493        
4 A1 1263 1216        
5 A1 1015 977        
6 A1 770 741        
7 A1 490 472        
8 A2 1412 1359        
9 A2 1270 1223        
10 A2 1002 964        
11 E 3157 3039        
11 E 3157 3038        
12 E 2942 2832        
12 E 2942 2832        
13 E 1530 1473        
13 E 1530 1473        
14 E 1467 1412        
14 E 1467 1412        
15 E 1353 1303        
15 E 1353 1302        
16 E 1213 1167        
16 E 1213 1167        
17 E 1097 1056        
17 E 1096 1055        
18 E 983 946        
18 E 982 946        
19 E 533 513        
19 E 533 513        
20 E 313 301        
20 E 312 300        

Unscaled Zero Point Vibrational Energy (zpe) 22031.1 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 21207.2 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 CCSD(T)/6-311G*
ABC
0.17599 0.17599 0.09802

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.323 0.184
C2 -1.146 -0.661 0.184
C3 1.146 -0.661 0.184
O4 -1.166 0.673 -0.269
O5 1.166 0.673 -0.269
O6 0.000 -1.347 -0.269
H7 0.000 2.330 -0.237
H8 0.000 1.355 1.291
H9 -2.018 -1.165 -0.237
H10 -1.174 -0.678 1.291
H11 2.018 -1.165 -0.237
H12 1.174 -0.678 1.291

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29132.29131.40971.40972.70771.09121.10833.23062.57043.23062.5704
C22.29132.29131.40972.70771.40973.23062.57041.09121.10833.23062.5704
C32.29132.29132.70771.40971.40973.23062.57043.23062.57041.09121.1083
O41.40971.40972.70772.33242.33242.02602.06422.02602.06423.67643.1202
O51.40972.70771.40972.33242.33242.02602.06423.67643.12022.02602.0642
O62.70771.40971.40972.33242.33243.67643.12022.02602.06422.02602.0642
H71.09123.23063.23062.02602.02603.67641.81284.03513.57184.03513.5718
H81.10832.57042.57042.06422.06423.12021.81283.57182.34733.57182.3473
H93.23061.09123.23062.02603.67642.02604.03513.57181.81284.03513.5718
H102.57041.10832.57042.06423.12022.06423.57182.34731.81283.57182.3473
H113.23063.23061.09123.67642.02602.02604.03513.57184.03513.57181.8128
H122.57042.57041.10833.12022.06422.06423.57182.34733.57182.34731.8128

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 108.727 C1 O5 C3 108.727
C2 O6 C3 108.727 O4 C1 O5 111.641
O4 C1 H7 107.534 O4 C1 H8 109.549
O4 C2 O6 111.641 O4 C2 H9 107.534
O4 C2 H10 109.549 O5 C1 H7 107.534
O5 C1 H8 109.549 O5 C3 O6 111.641
O5 C3 H11 107.534 O5 C3 H12 109.549
O6 C2 H9 107.534 O6 C2 H10 109.549
O6 C3 H11 107.534 O6 C3 H12 109.549
H7 C1 H8 111.012 H9 C2 H10 111.012
H11 C3 H12 111.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability