return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/Def2TZVPP

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=FULL/Def2TZVPP
 hartrees
Energy at 0K-343.114214
Energy at 298.15K 
HF Energy-341.798612
Nuclear repulsion energy271.956114
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=FULL/Def2TZVPP
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 3212 3212 5.08      
2 A1 3009 3009 151.46      
3 A1 1545 1545 5.79      
4 A1 1257 1257 21.23      
5 A1 1005 1005 72.39      
6 A1 762 762 0.72      
7 A1 485 485 17.88      
8 A2 1422 1422 0.00      
9 A2 1273 1273 0.00      
10 A2 1001 1001 0.00      
11 E 3208 3208 22.92      
11 E 3208 3208 22.92      
12 E 2997 2997 18.60      
12 E 2997 2997 18.60      
13 E 1526 1526 1.36      
13 E 1526 1526 1.36      
14 E 1458 1458 19.25      
14 E 1458 1458 19.25      
15 E 1352 1352 1.45      
15 E 1352 1352 1.45      
16 E 1213 1213 231.52      
16 E 1213 1213 231.52      
17 E 1099 1099 49.10      
17 E 1099 1099 49.10      
18 E 978 978 48.26      
18 E 978 978 48.26      
19 E 531 531 8.45      
19 E 531 531 8.45      
20 E 307 307 0.04      
20 E 307 307 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 22154.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22154.5 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=FULL/Def2TZVPP
ABC
0.17770 0.17770 0.09900

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.317 0.184
C2 -1.141 -0.659 0.184
C3 1.141 -0.659 0.184
O4 -1.161 0.670 -0.270
O5 1.161 0.670 -0.270
O6 0.000 -1.340 -0.270
H7 0.000 2.318 -0.224
H8 0.000 1.336 1.281
H9 -2.007 -1.159 -0.224
H10 -1.157 -0.668 1.281
H11 2.007 -1.159 -0.224
H12 1.157 -0.668 1.281

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28172.28171.40431.40432.69591.08061.09713.21382.54593.21382.5459
C22.28172.28171.40432.69591.40433.21382.54591.08061.09713.21382.5459
C32.28172.28172.69591.40431.40433.21382.54593.21382.54591.08061.0971
O41.40431.40432.69592.32102.32102.01612.04842.01612.04843.65833.0927
O51.40432.69591.40432.32102.32102.01612.04843.65833.09272.01612.0484
O62.69591.40431.40432.32102.32103.65833.09272.01612.04842.01612.0484
H71.08063.21383.21382.01612.01613.65831.79724.01493.53804.01493.5380
H81.09712.54592.54592.04842.04843.09271.79723.53802.31323.53802.3132
H93.21381.08063.21382.01613.65832.01614.01493.53801.79724.01493.5380
H102.54591.09712.54592.04843.09272.04843.53802.31321.79723.53802.3132
H113.21383.21381.08063.65832.01612.01614.01493.53804.01493.53801.7972
H122.54592.54591.09713.09272.04842.04843.53802.31323.53802.31321.7972

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 108.657 C1 O5 C3 108.657
C2 O6 C3 108.657 O4 C1 O5 111.454
O4 C1 H7 107.741 O4 C1 H8 109.335
O4 C2 O6 111.454 O4 C2 H9 107.741
O4 C2 H10 109.335 O5 C1 H7 107.741
O5 C1 H8 109.335 O5 C3 O6 111.454
O5 C3 H11 107.741 O5 C3 H12 109.335
O6 C2 H9 107.741 O6 C2 H10 109.335
O6 C3 H11 107.741 O6 C3 H12 109.335
H7 C1 H8 111.231 H9 C2 H10 111.231
H11 C3 H12 111.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability