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: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-346.665442
Energy at 298.15K-346.674406
Nuclear repulsion energy346.684532
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 B3PW91/6-31G(2df,p)
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' 3222 3098 4.91      
2 A' 3214 3090 11.92      
3 A' 3206 3083 18.86      
4 A' 3189 3066 10.87      
5 A' 3182 3059 2.24      
6 A' 3145 3024 21.55      
7 A' 3008 2892 49.98      
8 A' 1660 1596 73.76      
9 A' 1638 1575 18.79      
10 A' 1535 1476 97.38      
11 A' 1504 1445 31.87      
12 A' 1487 1429 7.46      
13 A' 1472 1415 9.90      
14 A' 1376 1323 29.94      
15 A' 1331 1280 4.65      
16 A' 1302 1251 201.07      
17 A' 1209 1162 4.64      
18 A' 1193 1147 12.18      
19 A' 1175 1129 1.65      
20 A' 1106 1063 14.15      
21 A' 1094 1052 39.60      
22 A' 1050 1010 1.42      
23 A' 1006 967 0.30      
24 A' 804 773 13.58      
25 A' 620 596 0.41      
26 A' 558 537 5.02      
27 A' 448 430 0.80      
28 A' 259 249 2.21      
29 A" 3074 2955 36.82      
30 A" 1486 1429 6.39      
31 A" 1176 1131 0.69      
32 A" 983 945 0.48      
33 A" 955 918 0.12      
34 A" 899 864 7.30      
35 A" 836 804 0.01      
36 A" 777 747 47.34      
37 A" 711 683 16.64      
38 A" 524 504 5.64      
39 A" 423 406 0.01      
40 A" 280 269 0.31      
41 A" 215 207 0.34      
42 A" 98 94 3.73      

Unscaled Zero Point Vibrational Energy (zpe) 29213.3 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 28085.7 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 B3PW91/6-31G(2df,p)
ABC
0.16913 0.05260 0.04043

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.532 0.000
C2 0.926 -0.511 0.000
C3 0.474 -1.830 0.000
C4 -0.882 -2.121 0.000
C5 -1.801 -1.072 0.000
C6 -1.369 0.244 0.000
O7 0.324 1.850 0.000
C8 1.690 2.192 0.000
H9 1.991 -0.311 0.000
H10 1.203 -2.635 0.000
H11 -1.224 -3.151 0.000
H12 -2.867 -1.281 0.000
H13 -2.069 1.072 0.000
H14 1.732 3.282 0.000
H15 2.204 1.813 0.893
H16 2.204 1.813 -0.893

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.39532.40952.79622.41201.39871.35652.36832.16233.38843.88103.39222.13863.24992.70122.7012
C21.39531.39392.42102.78422.41572.43642.80861.08332.14183.40433.87013.38813.87832.79872.7987
C32.40951.39391.38762.39842.77433.68264.20122.14601.08612.15153.38583.85895.26474.13044.1304
C42.79622.42101.38761.39452.41414.14985.02133.39542.14811.08482.15473.40626.00255.07935.0793
C52.41202.78422.39841.39451.38483.61274.77883.86733.38672.15721.08602.16045.60735.01625.0162
C61.39872.41572.77432.41411.38482.33333.62613.40493.86033.39722.13761.08494.34134.00324.0032
O71.35652.43643.68264.14983.61272.33331.40802.72914.57005.23434.47022.51682.00872.08202.0820
C82.36832.80864.20125.02134.77883.62611.40802.52104.85106.08525.72913.92271.09171.09831.0983
H92.16231.08332.14603.39543.86733.40492.72912.52102.45344.28914.95334.28943.60322.31432.3143
H103.38842.14181.08612.14813.38673.86034.57004.85102.45342.48164.28934.94485.94104.64574.6457
H113.88103.40432.15151.08482.15723.39725.23436.08524.28912.48162.48844.30607.07966.09806.0980
H123.39223.87013.38582.15471.08602.13764.47025.72914.95334.28932.48842.48436.47876.00716.0071
H132.13863.38813.85893.40622.16041.08492.51683.92274.28944.94484.30602.48434.39754.42864.4286
H143.24993.87835.26476.00255.60734.34132.00871.09173.60325.94107.07966.47874.39751.78371.7837
H152.70122.79874.13045.07935.01624.00322.08201.09832.31434.64576.09806.00714.42861.78371.7869
H162.70122.79874.13045.07935.01624.00322.08201.09832.31434.64576.09806.00714.42861.78371.7869

picture of Anisole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.507 C1 C2 H9 120.957
C1 C6 C5 120.112 C1 C6 H13 118.333
C1 O7 C8 117.879 C2 C1 C6 119.671
C2 C1 O7 124.590 C2 C3 C4 121.012
C2 C3 H10 118.935 C3 C2 H9 119.535
C3 C4 C5 119.107 C3 C4 H11 120.472
C4 C3 H10 120.053 C4 C5 C6 120.591
C4 C5 H12 120.100 C5 C4 H11 120.421
C5 C6 H13 121.555 C6 C1 O7 115.739
C6 C5 H12 119.309 O7 C8 H14 106.256
O7 C8 H15 111.750 O7 C8 H16 111.750
H14 C8 H15 109.065 H14 C8 H16 109.065
H15 C8 H16 108.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.431      
2 C -0.290      
3 C -0.120      
4 C -0.157      
5 C -0.117      
6 C -0.226      
7 O -0.290      
8 C -0.302      
9 H 0.124      
10 H 0.123      
11 H 0.121      
12 H 0.124      
13 H 0.130      
14 H 0.159      
15 H 0.145      
16 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.238 0.196 0.000 1.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.182 2.863 0.000
y 2.863 -43.005 0.000
z 0.000 0.000 -49.574
Traceless
 xyz
x 6.108 2.863 0.000
y 2.863 1.873 0.000
z 0.000 0.000 -7.981
Polar
3z2-r2-15.961
x2-y22.823
xy2.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.181 1.539 0.000
y 1.539 14.480 0.000
z 0.000 0.000 5.732


<r2> (average value of r2) Å2
<r2> 272.097
(<r2>)1/2 16.495