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All results from a given calculation for C3H8O2 (Methane, dimethoxy-)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-269.666307
Energy at 298.15K-269.675887
HF Energy-269.666307
Nuclear repulsion energy197.552004
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 B3LYPultrafine/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3119 3017 5.22      
2 A 3057 2958 66.67      
3 A 3001 2903 51.41      
4 A 2992 2895 22.63      
5 A 1514 1464 6.89      
6 A 1502 1453 0.08      
7 A 1488 1439 4.22      
8 A 1466 1419 0.00      
9 A 1334 1290 0.27      
10 A 1210 1170 24.13      
11 A 1175 1137 9.30      
12 A 1129 1093 82.82      
13 A 922 892 2.81      
14 A 597 578 5.26      
15 A 319 309 4.13      
16 A 152 147 0.20      
17 A 95 92 2.58      
18 B 3118 3017 38.46      
19 B 3056 2957 5.47      
20 B 3048 2949 41.22      
21 B 2993 2896 107.42      
22 B 1507 1458 8.18      
23 B 1488 1439 4.30      
24 B 1478 1430 6.26      
25 B 1426 1379 9.79      
26 B 1252 1212 15.63      
27 B 1174 1136 0.32      
28 B 1154 1116 146.35      
29 B 1055 1021 222.61      
30 B 933 902 77.90      
31 B 451 436 5.47      
32 B 210 203 14.62      
33 B 134 130 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 24773.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 23967.9 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.35271 0.10531 0.09947

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.919
H2 -0.722 0.531 1.548
H3 0.722 -0.531 1.548
O4 0.758 0.902 0.164
O5 -0.758 -0.902 0.164
C6 0.000 1.854 -0.560
C7 0.000 -1.854 -0.560
H8 0.706 2.521 -1.050
H9 -0.706 -2.521 -1.050
H10 -0.633 1.385 -1.317
H11 -0.638 2.444 0.109
H12 0.633 -1.385 -1.317
H13 0.638 -2.444 0.109

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5 C6 C7 H8 H9 H10 H11 H12 H13
C11.09561.09561.39921.39922.37192.37193.27613.27612.70492.65222.70492.6522
H21.09561.79372.06021.99282.59193.26483.57104.00892.99092.39483.70363.5738
H31.09561.79371.99282.06023.26482.59194.00893.57103.70363.57382.99092.3948
O41.39922.06021.99282.35701.41652.94942.02493.91672.08862.08032.72773.3485
O51.39921.99282.06022.35702.94941.41653.91672.02492.72773.34852.08862.0803
C62.37192.59193.26481.41652.94943.70861.08784.45931.09261.09643.38584.3963
C72.37193.26482.59192.94941.41653.70864.45931.08783.38584.39631.09261.0964
H83.27613.57104.00892.02493.91671.08784.45935.23681.77631.77633.91585.0991
H93.27614.00893.57103.91672.02494.45931.08785.23683.91585.09911.77631.7763
H102.70492.99093.70362.08862.72771.09263.38581.77633.91581.77633.04454.2782
H112.65222.39483.57382.08033.34851.09644.39631.77635.09911.77634.27825.0510
H122.70493.70362.99092.72772.08863.38581.09263.91581.77633.04454.27821.7763
H132.65223.57382.39483.34852.08034.39631.09645.09911.77634.27825.05101.7763

picture of Methane, dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C6 114.787 C1 O5 C7 114.787
H2 C1 H3 109.880 H2 C1 O4 110.745
H2 C1 O5 105.374 H3 C1 O4 105.374
H3 C1 O5 110.745 O4 C1 O5 114.758
O4 C6 H8 107.181 O4 C6 H10 112.049
O4 C6 H11 111.118 O5 C7 H9 107.181
O5 C7 H12 112.049 O5 C7 H13 111.118
H8 C6 H10 109.114 H8 C6 H11 108.829
H9 C7 H12 109.114 H9 C7 H13 108.829
H10 C6 H11 108.485 H12 C7 H13 108.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 H 0.340      
3 H 0.340      
4 O -0.522      
5 O -0.522      
6 C -0.614      
7 C -0.614      
8 H 0.263      
9 H 0.263      
10 H 0.271      
11 H 0.243      
12 H 0.271      
13 H 0.243      


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 -0.185 0.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.250 -2.391 0.000
y -2.391 -28.460 0.000
z 0.000 0.000 -30.078
Traceless
 xyz
x -5.981 -2.391 0.000
y -2.391 4.204 0.000
z 0.000 0.000 1.777
Polar
3z2-r23.555
x2-y2-6.790
xy-2.391
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.731 -0.092 0.000
y -0.092 8.611 0.000
z 0.000 0.000 7.299


<r2> (average value of r2) Å2
<r2> 135.243
(<r2>)1/2 11.629