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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-342.610696
Energy at 298.15K 
HF Energy-341.652910
Nuclear repulsion energy270.914535
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 MP3=FULL/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 3227 3028 11.26      
2 A1 3034 2846 158.55      
3 A1 1592 1494 4.08      
4 A1 1290 1211 23.97      
5 A1 1027 964 83.42      
6 A1 785 737 1.08      
7 A1 480 450 23.18      
8 A2 1437 1348 0.00      
9 A2 1290 1210 0.00      
10 A2 1083 1016 0.00      
11 E 3223 3025 30.18      
11 E 3223 3025 30.18      
12 E 3019 2832 18.04      
12 E 3019 2832 18.04      
13 E 1571 1474 0.29      
13 E 1571 1474 0.29      
14 E 1494 1402 39.84      
14 E 1494 1402 39.85      
15 E 1374 1290 2.53      
15 E 1374 1290 2.53      
16 E 1250 1173 248.13      
16 E 1250 1173 248.13      
17 E 1127 1057 38.01      
17 E 1127 1057 38.01      
18 E 1009 947 31.15      
18 E 1009 947 31.15      
19 E 542 508 10.10      
19 E 542 508 10.10      
20 E 304 286 0.20      
20 E 304 286 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 22535.7 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 21145.3 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 MP3=FULL/6-31G*
ABC
0.17640 0.17640 0.09810

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.327 0.181
C2 -1.149 -0.663 0.181
C3 1.149 -0.663 0.181
O4 -1.162 0.671 -0.266
O5 1.162 0.671 -0.266
O6 0.000 -1.342 -0.266
H7 0.000 2.327 -0.247
H8 0.000 1.373 1.285
H9 -2.015 -1.164 -0.247
H10 -1.189 -0.687 1.285
H11 2.015 -1.164 -0.247
H12 1.189 -0.687 1.285

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29782.29781.40731.40732.70571.08831.10423.23212.58543.23212.5854
C22.29782.29781.40732.70571.40733.23212.58541.08831.10423.23212.5854
C32.29782.29782.70571.40731.40733.23212.58543.23212.58541.08831.1042
O41.40731.40732.70572.32422.32422.02342.06102.02342.06103.66923.1266
O51.40732.70571.40732.32422.32422.02342.06103.66923.12662.02342.0610
O62.70571.40731.40732.32422.32423.66923.12662.02342.06102.02342.0610
H71.08833.23213.23212.02342.02343.66921.80424.03093.58364.03093.5836
H81.10422.58542.58542.06102.06103.12661.80423.58362.37843.58362.3784
H93.23211.08833.23212.02343.66922.02344.03093.58361.80424.03093.5836
H102.58541.10422.58542.06103.12662.06103.58362.37841.80423.58362.3784
H113.23213.23211.08833.66922.02342.02344.03093.58364.03093.58361.8042
H122.58542.58541.10423.12662.06102.06103.58362.37843.58362.37841.8042

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 109.448 C1 O5 C3 109.448
C2 O6 C3 109.448 O4 C1 O5 111.338
O4 C1 H7 107.660 O4 C1 H8 109.704
O4 C2 O6 111.338 O4 C2 H9 107.660
O4 C2 H10 109.704 O5 C1 H7 107.660
O5 C1 H8 109.704 O5 C3 O6 111.338
O5 C3 H11 107.660 O5 C3 H12 109.704
O6 C2 H9 107.660 O6 C2 H10 109.704
O6 C3 H11 107.660 O6 C3 H12 109.704
H7 C1 H8 110.744 H9 C2 H10 110.744
H11 C3 H12 110.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability