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

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-269.286214
Energy at 298.15K-269.295738
Nuclear repulsion energy197.032240
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 PBEPBE/6-311G*
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 3069 3037 7.07      
2 A 2994 2963 79.25      
3 A 2928 2898 70.56      
4 A 2917 2887 22.35      
5 A 1483 1468 6.15      
6 A 1455 1440 3.68      
7 A 1447 1432 3.46      
8 A 1424 1409 0.32      
9 A 1304 1291 0.43      
10 A 1174 1162 17.28      
11 A 1143 1131 7.32      
12 A 1102 1090 80.30      
13 A 912 902 5.15      
14 A 586 580 5.57      
15 A 311 308 4.45      
16 A 155 154 0.15      
17 A 99 98 2.30      
18 B 3068 3036 48.90      
19 B 2993 2962 11.50      
20 B 2980 2949 54.49      
21 B 2919 2889 129.11      
22 B 1476 1461 10.15      
23 B 1450 1435 0.85      
24 B 1442 1427 14.14      
25 B 1387 1373 12.59      
26 B 1217 1204 13.44      
27 B 1142 1130 1.30      
28 B 1116 1105 106.13      
29 B 1028 1017 229.32      
30 B 920 910 82.78      
31 B 449 444 4.62      
32 B 211 209 15.92      
33 B 143 142 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 24221.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 23969.9 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 PBEPBE/6-311G*
ABC
0.34489 0.10604 0.10043

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.920
H2 -0.724 0.552 1.549
H3 0.724 -0.552 1.549
O4 0.787 0.886 0.156
O5 -0.787 -0.886 0.156
C6 0.000 1.841 -0.555
C7 0.000 -1.841 -0.555
H8 0.701 2.474 -1.114
H9 -0.701 -2.474 -1.114
H10 -0.696 1.353 -1.257
H11 -0.584 2.473 0.142
H12 0.696 -1.353 -1.257
H13 0.584 -2.473 0.142

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5 C6 C7 H8 H9 H10 H11 H12 H13
C11.10641.10641.41051.41052.35932.35933.27903.27902.65682.65792.65682.6579
H21.10641.82052.08272.00322.57203.26753.58054.03102.91902.38613.67743.5834
H31.10641.82052.00322.08273.26752.57204.03103.58053.67743.58342.91902.3861
O41.41052.08272.00322.37071.42712.92622.03513.88852.10152.09732.64963.3658
O51.41052.00322.08272.37072.92621.42713.88852.03512.64963.36582.10152.0973
C62.35932.57203.26751.42712.92623.68201.09774.40761.10281.10763.34384.4092
C72.35933.26752.57202.92621.42713.68204.40761.09773.34384.40921.10281.1076
H83.27903.58054.03102.03513.88851.09774.40765.14381.79751.79663.83045.1061
H93.27904.03103.58053.88852.03514.40761.09775.14383.83045.10611.79751.7966
H102.65682.91903.67742.10152.64961.10283.34381.79753.83041.79613.04384.2709
H112.65792.38613.58342.09733.36581.10764.40921.79665.10611.79614.27095.0827
H122.65683.67742.91902.64962.10153.34381.10283.83041.79753.04384.27091.7961
H132.65793.58342.38613.36582.09734.40921.10765.10611.79664.27095.08271.7961

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 112.490 C1 O5 C7 112.490
H2 C1 H3 110.718 H2 C1 O4 111.110
H2 C1 O5 104.835 H3 C1 O4 104.835
H3 C1 O5 111.110 O4 C1 O5 114.358
O4 C6 H8 106.700 O4 C6 H10 111.691
O4 C6 H11 111.051 O5 C7 H9 106.700
O5 C7 H12 111.691 O5 C7 H13 111.051
H8 C6 H10 109.540 H8 C6 H11 109.112
H9 C7 H12 109.540 H9 C7 H13 109.112
H10 C6 H11 108.698 H12 C7 H13 108.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 H 0.194      
3 H 0.194      
4 O -0.287      
5 O -0.287      
6 C -0.480      
7 C -0.480      
8 H 0.218      
9 H 0.218      
10 H 0.215      
11 H 0.197      
12 H 0.215      
13 H 0.197      


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 -0.249 0.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.860 -2.293 0.000
y -2.293 -28.315 0.000
z 0.000 0.000 -29.962
Traceless
 xyz
x -5.722 -2.293 0.000
y -2.293 4.096 0.000
z 0.000 0.000 1.626
Polar
3z2-r23.252
x2-y2-6.545
xy-2.293
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.665 -0.110 0.000
y -0.110 7.641 0.000
z 0.000 0.000 6.397


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000