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

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-269.659224
Energy at 298.15K-269.668789
Nuclear repulsion energy197.808948
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 B3LYP/6-311+G(3df,2p)
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 3117 3014 5.08      
2 A 3056 2955 66.97      
3 A 2998 2900 54.82      
4 A 2989 2890 19.89      
5 A 1517 1467 6.90      
6 A 1506 1456 0.00      
7 A 1489 1440 4.82      
8 A 1470 1421 0.01      
9 A 1337 1293 0.33      
10 A 1213 1173 25.71      
11 A 1179 1140 9.68      
12 A 1135 1098 82.11      
13 A 926 896 2.68      
14 A 600 580 5.30      
15 A 318 308 4.16      
16 A 146 142 0.18      
17 A 94 91 2.60      
18 B 3117 3014 39.13      
19 B 3055 2954 5.27      
20 B 3046 2946 41.38      
21 B 2990 2891 107.66      
22 B 1509 1459 8.52      
23 B 1489 1440 3.56      
24 B 1481 1432 7.60      
25 B 1431 1384 9.63      
26 B 1255 1214 15.74      
27 B 1178 1139 0.96      
28 B 1158 1120 146.44      
29 B 1060 1025 218.88      
30 B 937 906 78.72      
31 B 454 439 5.62      
32 B 207 200 15.53      
33 B 131 127 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 24794.0 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 23975.8 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 B3LYP/6-311+G(3df,2p)
ABC
0.35202 0.10592 0.09985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.919
H2 -0.719 0.541 1.543
H3 0.719 -0.541 1.543
O4 0.766 0.891 0.157
O5 -0.766 -0.891 0.157
C6 0.000 1.851 -0.555
C7 0.000 -1.851 -0.555
H8 0.705 2.509 -1.057
H9 -0.705 -2.509 -1.057
H10 -0.647 1.379 -1.298
H11 -0.619 2.442 0.129
H12 0.647 -1.379 -1.298
H13 0.619 -2.442 0.129

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5 C6 C7 H8 H9 H10 H11 H12 H13
C11.09461.09461.40071.40072.36632.36633.27093.27092.68982.63962.68982.6396
H21.09461.79932.06121.99322.57563.26163.55824.00762.96222.37073.69043.5610
H31.09461.79931.99322.06123.26162.57564.00763.55823.69043.56102.96222.3707
O41.40072.06121.99322.34991.41962.93432.02393.89852.08582.07912.69853.3358
O51.40071.99322.06122.34992.93431.41963.89852.02392.69853.33582.08582.0791
C62.36632.57563.26161.41962.93433.70151.08754.44511.09191.09563.37664.3904
C72.36633.26162.57562.93431.41963.70154.44511.08753.37664.39041.09191.0956
H83.27093.55824.00762.02393.89851.08754.44515.21301.77881.77883.89625.0917
H93.27094.00763.55823.89852.02394.44511.08755.21303.89625.09171.77881.7788
H102.68982.96223.69042.08582.69851.09193.37661.77883.89621.77933.04674.2703
H112.63962.37073.56102.07913.33581.09564.39041.77885.09171.77934.27035.0374
H122.68983.69042.96222.69852.08583.37661.09193.89621.77883.04674.27031.7793
H132.63963.56102.37073.33582.07914.39041.09565.09171.77884.27035.03741.7793

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 114.072 C1 O5 C7 114.072
H2 C1 H3 110.559 H2 C1 O4 110.797
H2 C1 O5 105.370 H3 C1 O4 105.370
H3 C1 O5 110.797 O4 C1 O5 114.039
O4 C6 H8 106.911 O4 C6 H10 111.635
O4 C6 H11 110.851 O5 C7 H9 106.911
O5 C7 H12 111.635 O5 C7 H13 110.851
H8 C6 H10 109.403 H8 C6 H11 109.138
H9 C7 H12 109.403 H9 C7 H13 109.138
H10 C6 H11 108.855 H12 C7 H13 108.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.391      
2 H 0.127      
3 H 0.127      
4 O -0.590      
5 O -0.590      
6 C -0.145      
7 C -0.145      
8 H 0.138      
9 H 0.138      
10 H 0.147      
11 H 0.127      
12 H 0.147      
13 H 0.127      


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 -0.204 0.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.265 -2.431 0.000
y -2.431 -28.444 0.000
z 0.000 0.000 -30.025
Traceless
 xyz
x -6.031 -2.431 0.000
y -2.431 4.201 0.000
z 0.000 0.000 1.829
Polar
3z2-r23.659
x2-y2-6.821
xy-2.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.544 -0.070 0.000
y -0.070 8.433 0.000
z 0.000 0.000 7.133


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