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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-269.232799
Energy at 298.15K-269.242331
Nuclear repulsion energy196.880772
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3072 3054 5.98      
2 A 2992 2975 65.95      
3 A 2915 2898 29.12      
4 A 2906 2889 58.71      
5 A 1436 1428 6.38      
6 A 1413 1405 0.39      
7 A 1399 1391 3.90      
8 A 1384 1376 0.27      
9 A 1274 1267 0.76      
10 A 1153 1146 26.50      
11 A 1121 1114 19.57      
12 A 1104 1098 55.05      
13 A 918 912 5.67      
14 A 584 581 4.99      
15 A 310 308 3.64      
16 A 156 155 0.02      
17 A 107 106 2.05      
18 B 3071 3053 33.60      
19 B 2991 2973 8.86      
20 B 2969 2952 47.14      
21 B 2910 2894 121.02      
22 B 1430 1422 5.68      
23 B 1410 1402 12.13      
24 B 1398 1390 3.17      
25 B 1358 1350 13.95      
26 B 1200 1193 18.13      
27 B 1120 1113 4.71      
28 B 1101 1094 166.15      
29 B 1031 1025 172.72      
30 B 929 923 72.62      
31 B 440 437 4.36      
32 B 213 212 14.32      
33 B 148 147 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 23980.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 23841.2 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/cc-pVDZ
ABC
0.34312 0.10637 0.10086

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.921
H2 -0.728 0.558 1.556
H3 0.728 -0.558 1.556
O4 0.791 0.882 0.154
O5 -0.791 -0.882 0.154
C6 0.000 1.836 -0.553
C7 0.000 -1.836 -0.553
H8 0.697 2.455 -1.148
H9 -0.697 -2.455 -1.148
H10 -0.730 1.344 -1.232
H11 -0.563 2.495 0.150
H12 0.730 -1.344 -1.232
H13 0.563 -2.495 0.150

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5 C6 C7 H8 H9 H10 H11 H12 H13
C11.11511.11511.41151.41152.35432.35433.28583.28582.64102.67192.64102.6719
H21.11511.83422.09242.01032.57083.27173.59744.04832.89632.39953.67583.6006
H31.11511.83422.01032.09243.27172.57084.04833.59743.67583.60062.89632.3995
O41.41152.09242.01032.36901.42652.91692.04443.87852.10882.10672.62203.3848
O51.41152.01032.09242.36902.91691.42653.87852.04442.62203.38482.10882.1067
C62.35432.57083.27171.42652.91693.67131.10634.38761.11191.11663.33194.4237
C72.35433.27172.57082.91691.42653.67134.38761.10633.33194.42371.11191.1166
H83.28583.59744.04832.04443.87851.10634.38765.10441.81091.80963.79985.1198
H93.28584.04833.59743.87852.04444.38761.10635.10443.79985.11981.81091.8096
H102.64102.89633.67582.10882.62201.11193.33191.81093.79981.80693.05824.2802
H112.67192.39953.60062.10673.38481.11664.42371.80965.11981.80694.28025.1164
H122.64103.67582.89632.62202.10883.33191.11193.79981.81093.05824.28021.8069
H132.67193.60062.39953.38482.10674.42371.11665.11981.80964.28025.11641.8069

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 112.109 C1 O5 C7 112.109
H2 C1 H3 110.661 H2 C1 O4 111.277
H2 C1 O5 104.828 H3 C1 O4 104.828
H3 C1 O5 111.277 O4 C1 O5 114.101
O4 C6 H8 106.962 O4 C6 H10 111.754
O4 C6 H11 111.289 O5 C7 H9 106.962
O5 C7 H12 111.754 O5 C7 H13 111.289
H8 C6 H10 109.444 H8 C6 H11 109.000
H9 C7 H12 109.444 H9 C7 H13 109.000
H10 C6 H11 108.347 H12 C7 H13 108.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.222      
2 H 0.013      
3 H 0.013      
4 O -0.277      
5 O -0.277      
6 C 0.059      
7 C 0.059      
8 H 0.040      
9 H 0.040      
10 H 0.032      
11 H 0.023      
12 H 0.032      
13 H 0.023      


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 -0.211 0.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.210 -2.028 0.000
y -2.028 -28.345 0.000
z 0.000 0.000 -29.844
Traceless
 xyz
x -5.116 -2.028 0.000
y -2.028 3.682 0.000
z 0.000 0.000 1.433
Polar
3z2-r22.867
x2-y2-5.866
xy-2.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.568 -0.147 0.000
y -0.147 7.713 0.000
z 0.000 0.000 6.396


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