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: TPSSh/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 TPSSh/Def2TZVPP
 hartrees
Energy at 0K-343.723401
Energy at 298.15K 
HF Energy-343.723401
Nuclear repulsion energy270.433159
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 TPSSh/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 3144 3144 7.36      
2 A1 2941 2941 185.96      
3 A1 1520 1520 5.66      
4 A1 1238 1238 22.66      
5 A1 976 976 75.03      
6 A1 743 743 0.81      
7 A1 447 447 16.00      
8 A2 1396 1396 0.00      
9 A2 1244 1244 0.00      
10 A2 915 915 0.00      
11 E 3141 3141 30.75      
11 E 3141 3141 30.74      
12 E 2927 2927 22.68      
12 E 2927 2927 22.68      
13 E 1505 1505 1.26      
13 E 1505 1505 1.26      
14 E 1434 1434 19.83      
14 E 1434 1434 19.82      
15 E 1327 1327 0.96      
15 E 1327 1327 0.96      
16 E 1174 1174 205.78      
16 E 1174 1174 205.79      
17 E 1071 1071 70.75      
17 E 1071 1071 70.76      
18 E 945 945 57.07      
18 E 945 945 57.06      
19 E 518 518 7.78      
19 E 518 518 7.78      
20 E 291 291 0.03      
20 E 291 291 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21613.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21613.4 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 TPSSh/Def2TZVPP
ABC
0.17572 0.17572 0.09781

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.328 0.184
C2 -1.150 -0.664 0.184
C3 1.150 -0.664 0.184
O4 -1.166 0.673 -0.269
O5 1.166 0.673 -0.269
O6 0.000 -1.346 -0.269
H7 0.000 2.330 -0.236
H8 0.000 1.354 1.287
H9 -2.018 -1.165 -0.236
H10 -1.173 -0.677 1.287
H11 2.018 -1.165 -0.236
H12 1.173 -0.677 1.287

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30002.30001.41161.41162.71191.08641.10323.23442.57153.23442.5715
C22.30002.30001.41162.71191.41163.23442.57151.08641.10323.23442.5715
C32.30002.30002.71191.41161.41163.23442.57153.23442.57151.08641.1032
O41.41161.41162.71192.33112.33112.02602.05992.02602.05993.67583.1164
O51.41162.71191.41162.33112.33112.02602.05993.67583.11642.02602.0599
O62.71191.41161.41162.33112.33113.67583.11642.02602.05992.02602.0599
H71.08643.23443.23442.02602.02603.67581.80854.03533.56894.03533.5689
H81.10322.57152.57152.05992.05993.11641.80853.56892.34603.56892.3460
H93.23441.08643.23442.02603.67582.02604.03533.56891.80854.03533.5689
H102.57151.10322.57152.05993.11642.05993.56892.34601.80853.56892.3460
H113.23443.23441.08643.67582.02602.02604.03533.56894.03533.56891.8085
H122.57152.57151.10323.11642.05992.05993.56892.34603.56892.34601.8085

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 109.112 C1 O5 C3 109.112
C2 O6 C3 109.112 O4 C1 O5 111.317
O4 C1 H7 107.688 O4 C1 H8 109.384
O4 C2 O6 111.317 O4 C2 H9 107.688
O4 C2 H10 109.384 O5 C1 H7 107.688
O5 C1 H8 109.384 O5 C3 O6 111.317
O5 C3 H11 107.688 O5 C3 H12 109.384
O6 C2 H9 107.688 O6 C2 H10 109.384
O6 C3 H11 107.688 O6 C3 H12 109.384
H7 C1 H8 111.372 H9 C2 H10 111.372
H11 C3 H12 111.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 C 0.169      
3 C 0.169      
4 O -0.281      
5 O -0.281      
6 O -0.281      
7 H 0.073      
8 H 0.039      
9 H 0.073      
10 H 0.039      
11 H 0.073      
12 H 0.039      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.977 1.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.254 0.000 0.000
y 0.000 7.253 0.000
z 0.000 0.000 6.177


<r2> (average value of r2) Å2
<r2> 126.428
(<r2>)1/2 11.244