return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5OCH3 (Anisole)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-343.412398
Energy at 298.15K-343.421256
HF Energy-342.666088
Nuclear repulsion energy341.461980
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 MP2=FULL/3-21G*
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' 3233 3065 2.75      
2 A' 3227 3059 9.13      
3 A' 3216 3049 17.25      
4 A' 3199 3033 8.61      
5 A' 3193 3027 19.01      
6 A' 3190 3024 3.34      
7 A' 3066 2906 28.84      
8 A' 1618 1534 11.44      
9 A' 1607 1523 54.55      
10 A' 1591 1508 18.97      
11 A' 1546 1466 25.14      
12 A' 1525 1445 49.58      
13 A' 1501 1422 2.83      
14 A' 1394 1322 0.28      
15 A' 1331 1262 31.29      
16 A' 1262 1196 136.01      
17 A' 1248 1183 30.08      
18 A' 1231 1167 38.98      
19 A' 1208 1145 0.17      
20 A' 1110 1052 6.24      
21 A' 1051 997 6.96      
22 A' 1042 987 22.70      
23 A' 1002 950 18.49      
24 A' 785 744 12.82      
25 A' 652 618 0.30      
26 A' 560 531 8.25      
27 A' 442 419 0.78      
28 A' 249 236 3.67      
29 A" 3127 2965 38.73      
30 A" 1593 1510 5.57      
31 A" 1188 1126 0.08      
32 A" 929 881 0.01      
33 A" 922 874 0.32      
34 A" 868 823 7.08      
35 A" 830 786 0.07      
36 A" 750 711 107.86      
37 A" 675 640 4.61      
38 A" 516 489 5.84      
39 A" 429 406 0.02      
40 A" 277 263 0.97      
41 A" 212 201 0.72      
42 A" 84 80 7.02      

Unscaled Zero Point Vibrational Energy (zpe) 29337.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 27812.3 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 MP2=FULL/3-21G*
ABC
0.16489 0.05074 0.03909

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.528 0.000
C2 0.920 -0.534 0.000
C3 0.453 -1.864 0.000
C4 -0.921 -2.140 0.000
C5 -1.840 -1.070 0.000
C6 -1.384 0.252 0.000
O7 0.339 1.889 0.000
C8 1.775 2.212 0.000
H9 1.989 -0.350 0.000
H10 1.172 -2.679 0.000
H11 -1.275 -3.166 0.000
H12 -2.909 -1.268 0.000
H13 -2.071 1.093 0.000
H14 1.812 3.302 0.000
H15 2.276 1.823 0.893
H16 2.276 1.823 -0.893

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.40512.43402.82192.43681.41121.40262.44742.17413.41403.90803.41852.14643.31352.76702.7670
C21.40511.40942.44322.81212.43492.49162.87651.08462.15943.42783.89873.40493.93832.86192.8619
C32.43401.40941.40192.42712.80243.75434.28532.15671.08702.16433.41413.88755.34154.20854.2085
C42.82192.44321.40191.41052.43624.22095.11973.41672.16211.08612.16993.43086.08945.16925.1692
C52.43682.81212.42711.41051.39843.67444.88303.89653.41562.17161.08672.17485.69645.10975.1097
C61.41122.43492.80242.43621.39842.37633.71793.42653.88933.42042.15331.08544.41754.08184.0818
O71.40262.49163.75434.22093.67442.37631.47222.78104.64295.30664.52932.53752.04122.13432.1343
C82.44742.87654.28535.11974.88303.71791.47222.57124.92826.18365.83564.00541.09011.09601.0960
H92.17411.08462.15673.41673.89653.42652.78102.57122.46804.31164.98324.30853.65612.36642.3664
H103.41402.15941.08702.16213.41563.88934.64294.92822.46802.49594.31794.97436.01484.72004.7200
H113.90803.42782.16431.08612.17163.42045.30666.18364.31162.49592.50414.33307.16736.18886.1888
H123.41853.89873.41412.16991.08672.15334.52935.83564.98324.31792.50412.50576.57046.10206.1020
H132.14643.40493.88753.43082.17481.08542.53754.00544.30854.97434.33302.50574.46684.49724.4972
H143.31353.93835.34156.08945.69644.41752.04121.09013.65616.01487.16736.57044.46681.78961.7896
H152.76702.86194.20855.16925.10974.08182.13431.09602.36644.72006.18886.10204.49721.78961.7869
H162.76702.86194.20855.16925.10974.08182.13431.09602.36644.72006.18886.10204.49721.78961.7869

picture of Anisole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.726 C1 C2 H9 121.134
C1 C6 C5 120.295 C1 C6 H13 117.982
C1 O7 C8 116.686 C2 C1 C6 119.665
C2 C1 O7 125.099 C2 C3 C4 120.702
C2 C3 H10 119.209 C3 C2 H9 119.140
C3 C4 C5 119.315 C3 C4 H11 120.368
C4 C3 H10 120.089 C4 C5 C6 120.298
C4 C5 H12 120.120 C5 C4 H11 120.318
C5 C6 H13 121.723 C6 C1 O7 115.236
C6 C5 H12 119.583 O7 C8 H14 104.629
O7 C8 H15 111.575 O7 C8 H16 111.575
H14 C8 H15 109.886 H14 C8 H16 109.886
H15 C8 H16 109.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.383      
2 C -0.287      
3 C -0.223      
4 C -0.257      
5 C -0.225      
6 C -0.262      
7 O -0.693      
8 C -0.289      
9 H 0.242      
10 H 0.241      
11 H 0.236      
12 H 0.243      
13 H 0.260      
14 H 0.231      
15 H 0.200      
16 H 0.200      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


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