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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-269.296741
Energy at 298.15K-269.306250
Nuclear repulsion energy196.943136
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 3066 3038 6.66      
2 A 2991 2963 70.33      
3 A 2923 2896 54.04      
4 A 2914 2888 32.93      
5 A 1463 1450 5.56      
6 A 1440 1427 1.61      
7 A 1428 1415 5.10      
8 A 1408 1395 0.55      
9 A 1289 1277 0.31      
10 A 1161 1151 16.40      
11 A 1132 1121 9.49      
12 A 1096 1086 75.87      
13 A 907 899 5.08      
14 A 585 580 5.54      
15 A 308 306 4.28      
16 A 152 151 0.11      
17 A 101 100 2.33      
18 B 3065 3038 40.19      
19 B 2989 2962 10.18      
20 B 2973 2946 48.52      
21 B 2917 2890 122.84      
22 B 1457 1444 9.57      
23 B 1430 1417 0.21      
24 B 1426 1413 13.19      
25 B 1373 1360 11.30      
26 B 1208 1197 14.08      
27 B 1130 1120 0.67      
28 B 1104 1094 108.12      
29 B 1022 1012 222.82      
30 B 914 906 81.05      
31 B 442 438 4.50      
32 B 211 209 16.38      
33 B 142 140 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 24083.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 23864.1 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
0.34425 0.10601 0.10047

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 0.922
H2 -0.722 0.554 1.550
H3 0.722 -0.554 1.550
O4 0.789 0.884 0.154
O5 -0.789 -0.884 0.154
C6 0.000 1.842 -0.554
C7 0.000 -1.842 -0.554
H8 0.698 2.463 -1.131
H9 -0.698 -2.463 -1.131
H10 -0.712 1.352 -1.240
H11 -0.566 2.487 0.146
H12 0.712 -1.352 -1.240
H13 0.566 -2.487 0.146

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5 C6 C7 H8 H9 H10 H11 H12 H13
C11.10641.10641.41171.41172.36012.36013.28103.28102.64732.66552.64732.6655
H21.10641.82142.08372.00512.57043.26973.58414.03622.90172.39343.67113.5887
H31.10641.82142.00512.08373.26972.57044.03623.58413.67113.58872.90172.3934
O41.41172.08372.00512.37001.42942.92462.03813.88102.10202.09912.63623.3777
O51.41172.00512.08372.37002.92461.42943.88102.03812.63623.37772.10202.0991
C62.36012.57043.26971.42942.92463.68331.09774.39851.10311.10763.34344.4209
C72.36013.26972.57042.92461.42943.68334.39851.09773.34344.42091.10311.1076
H83.28103.58414.03622.03813.88101.09774.39855.11921.79801.79673.81655.1131
H93.28104.03623.58413.88102.03814.39851.09775.11923.81655.11311.79801.7967
H102.64732.90173.67112.10202.63621.10313.34341.79803.81651.79693.05674.2768
H112.66552.39343.58872.09913.37771.10764.42091.79675.11311.79694.27685.1003
H122.64733.67112.90172.63622.10203.34341.10313.81651.79803.05674.27681.7969
H132.66553.58872.39343.37772.09914.42091.10765.11311.79674.27685.10031.7969

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 112.343 C1 O5 C7 112.343
H2 C1 H3 110.794 H2 C1 O4 111.107
H2 C1 O5 104.903 H3 C1 O4 104.903
H3 C1 O5 111.107 O4 C1 O5 114.155
O4 C6 H8 106.777 O4 C6 H10 111.555
O4 C6 H11 111.034 O5 C7 H9 106.777
O5 C7 H12 111.555 O5 C7 H13 111.034
H8 C6 H10 109.567 H8 C6 H11 109.119
H9 C7 H12 109.567 H9 C7 H13 109.119
H10 C6 H11 108.745 H12 C7 H13 108.745
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 0.082      
2 H 0.106      
3 H 0.106      
4 O -0.318      
5 O -0.318      
6 C -0.180      
7 C -0.180      
8 H 0.126      
9 H 0.126      
10 H 0.121      
11 H 0.104      
12 H 0.121      
13 H 0.104      


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 -0.229 0.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.833 -2.313 0.000
y -2.313 -28.262 0.000
z 0.000 0.000 -29.891
Traceless
 xyz
x -5.756 -2.313 0.000
y -2.313 4.099 0.000
z 0.000 0.000 1.657
Polar
3z2-r23.314
x2-y2-6.571
xy-2.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.762 -0.122 0.000
y -0.122 7.834 0.000
z 0.000 0.000 6.525


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