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: HF/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-341.814533
Energy at 298.15K 
HF Energy-341.814533
Nuclear repulsion energy274.571350
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 HF/aug-cc-pVQZ
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 3299 2997 10.11 165.79 0.07 0.14
2 A1 3124 2838 206.55 229.80 0.10 0.17
3 A1 1675 1522 2.42 0.80 0.20 0.34
4 A1 1368 1243 35.15 0.05 0.01 0.01
5 A1 1081 982 87.67 15.72 0.07 0.12
6 A1 846 769 0.59 3.23 0.21 0.34
7 A1 468 425 23.30 0.94 0.01 0.02
8 A2 1534 1393 0.00 0.00 0.19 0.32
9 A2 1372 1246 0.00 0.00 0.10 0.17
10 A2 1147 1042 0.00 0.00 0.27 0.42
11 E 3294 2993 47.33 65.20 0.75 0.86
11 E 3294 2993 47.33 65.20 0.75 0.86
12 E 3104 2820 27.16 12.04 0.75 0.86
12 E 3104 2820 27.16 12.04 0.75 0.86
13 E 1654 1502 0.49 6.19 0.75 0.86
13 E 1654 1502 0.49 6.19 0.75 0.86
14 E 1587 1442 40.25 0.47 0.75 0.86
14 E 1587 1442 40.25 0.47 0.75 0.86
15 E 1453 1320 6.28 4.75 0.75 0.86
15 E 1453 1320 6.28 4.75 0.75 0.86
16 E 1341 1218 315.39 2.34 0.75 0.86
16 E 1341 1218 315.39 2.34 0.75 0.86
17 E 1192 1083 55.22 1.48 0.75 0.86
17 E 1192 1083 55.22 1.48 0.75 0.86
18 E 1059 962 39.58 2.17 0.75 0.86
18 E 1059 962 39.58 2.17 0.75 0.86
19 E 583 529 8.33 1.20 0.75 0.86
19 E 583 529 8.33 1.20 0.75 0.86
20 E 295 268 0.24 0.22 0.75 0.86
20 E 295 268 0.24 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23517.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 21365.9 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 HF/aug-cc-pVQZ
ABC
0.18125 0.18125 0.10016

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVQZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.324 0.168
C2 -1.147 -0.662 0.168
C3 1.147 -0.662 0.168
O4 -1.140 0.658 -0.247
O5 1.140 0.658 -0.247
O6 0.000 -1.317 -0.247
H7 0.000 2.300 -0.284
H8 0.000 1.412 1.255
H9 -1.992 -1.150 -0.284
H10 -1.223 -0.706 1.255
H11 1.992 -1.150 -0.284
H12 1.223 -0.706 1.255

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29302.29301.38401.38402.67291.07541.09043.20792.60733.20792.6073
C22.29302.29301.38402.67291.38403.20792.60731.07541.09043.20802.6073
C32.29302.29302.67291.38401.38403.20792.60733.20802.60731.07541.0904
O41.38401.38402.67292.28042.28041.99912.03081.99912.03083.61673.1149
O51.38402.67291.38402.28042.28041.99912.03083.61673.11491.99912.0308
O62.67291.38401.38402.28042.28043.61673.11491.99912.03081.99912.0308
H71.07543.20793.20791.99911.99913.61671.77613.98353.59153.98353.5915
H81.09042.60732.60732.03082.03083.11491.77613.59152.44623.59152.4462
H93.20791.07543.20801.99913.61671.99913.98353.59151.77613.98353.5915
H102.60731.09042.60732.03083.11492.03083.59152.44621.77613.59152.4462
H113.20793.20801.07543.61671.99911.99913.98353.59153.98353.59151.7761
H122.60732.60731.09043.11492.03082.03083.59152.44623.59152.44621.7761

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 111.874 C1 O5 C3 111.874
C2 O6 C3 111.874 O4 C1 O5 110.948
O4 C1 H7 108.091 O4 C1 H8 109.751
O4 C2 O6 110.948 O4 C2 H9 108.091
O4 C2 H10 109.751 O5 C1 H7 108.091
O5 C1 H8 109.751 O5 C3 O6 110.948
O5 C3 H11 108.091 O5 C3 H12 109.751
O6 C2 H9 108.091 O6 C2 H10 109.751
O6 C3 H11 108.091 O6 C3 H12 109.751
H7 C1 H8 110.178 H9 C2 H10 110.178
H11 C3 H12 110.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.137      
2 C 0.137      
3 C 0.137      
4 O -0.907      
5 O -0.907      
6 O -0.907      
7 H 0.539      
8 H 0.231      
9 H 0.539      
10 H 0.231      
11 H 0.539      
12 H 0.231      


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 2.126 2.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.958 0.000 0.000
y 0.000 -34.958 0.000
z 0.000 0.000 -35.418
Traceless
 xyz
x 0.230 0.000 0.000
y 0.000 0.230 0.000
z 0.000 0.000 -0.460
Polar
3z2-r2-0.919
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.694 0.000 0.000
y 0.000 6.694 0.000
z 0.000 0.000 5.789


<r2> (average value of r2) Å2
<r2> 123.872
(<r2>)1/2 11.130