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: HF/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 HF/3-21G*
 hartrees
Energy at 0K-342.672135
Energy at 298.15K-342.681609
Nuclear repulsion energy346.596130
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 HF/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' 3403 3071 0.51      
2 A' 3399 3068 10.55      
3 A' 3382 3053 24.41      
4 A' 3363 3036 12.80      
5 A' 3354 3027 0.80      
6 A' 3314 2991 28.66      
7 A' 3199 2887 31.74      
8 A' 1779 1606 83.28      
9 A' 1755 1584 19.88      
10 A' 1692 1527 5.88      
11 A' 1676 1513 93.89      
12 A' 1630 1471 22.86      
13 A' 1627 1468 2.99      
14 A' 1504 1357 0.99      
15 A' 1402 1265 247.55      
16 A' 1352 1220 30.96      
17 A' 1322 1193 13.12      
18 A' 1301 1174 0.92      
19 A' 1252 1130 8.78      
20 A' 1193 1077 8.41      
21 A' 1148 1036 52.56      
22 A' 1130 1020 4.28      
23 A' 1094 987 8.40      
24 A' 852 769 15.89      
25 A' 707 638 0.39      
26 A' 603 545 10.66      
27 A' 474 428 0.93      
28 A' 255 230 4.97      
29 A" 3253 2936 47.81      
30 A" 1679 1515 6.67      
31 A" 1272 1148 0.79      
32 A" 1187 1071 3.96      
33 A" 1159 1046 0.00      
34 A" 1080 975 25.49      
35 A" 982 887 0.05      
36 A" 897 810 93.88      
37 A" 811 732 41.12      
38 A" 593 536 5.53      
39 A" 485 438 0.02      
40 A" 296 267 2.86      
41 A" 228 206 0.35      
42 A" 83 75 9.77      

Unscaled Zero Point Vibrational Energy (zpe) 31582.3 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 28506.2 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 HF/3-21G*
ABC
0.17205 0.05171 0.04006

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.510 0.000
C2 0.906 -0.533 0.000
C3 0.449 -1.843 0.000
C4 -0.902 -2.119 0.000
C5 -1.807 -1.065 0.000
C6 -1.362 0.237 0.000
O7 0.347 1.838 0.000
C8 1.726 2.236 0.000
H9 1.959 -0.345 0.000
H10 1.161 -2.645 0.000
H11 -1.250 -3.132 0.000
H12 -2.861 -1.264 0.000
H13 -2.041 1.064 0.000
H14 1.715 3.314 0.000
H15 2.240 1.878 0.884
H16 2.240 1.878 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 C8 H9 H10 H11 H12 H13 H14 H15 H16
C11.38172.39592.77932.39741.38931.37182.44072.13773.36213.85063.36612.11503.28652.76942.7694
C21.38171.38772.40502.76512.39562.43542.88751.06952.12753.37703.83713.35213.93052.89352.8935
C32.39591.38771.37892.38682.75863.68214.27422.12691.07222.13263.36023.82795.30994.22324.2232
C42.77932.40501.37891.38912.40064.14855.08613.36612.12901.07122.13723.38026.02995.16015.1601
C52.39742.76512.38681.38911.37633.61454.83533.83453.36252.14041.07202.14175.61975.08175.0817
C61.38932.39562.75862.40061.37632.34123.67853.37203.83083.37092.12101.06964.35144.05584.0558
O71.37182.43543.68214.14853.61452.34121.43562.71364.55595.21954.46152.51022.01302.08982.0898
C82.44072.88754.27425.08614.83533.67851.43562.59164.91366.13755.76933.94531.07761.08311.0831
H92.13771.06952.12693.36613.83453.37202.71362.59162.43444.25014.90654.24123.66682.40882.4088
H103.36212.12751.07222.12903.36253.83084.55594.91362.43442.45974.25224.90005.98434.73324.7332
H113.85063.37702.13261.07122.14043.37095.21956.13754.25012.45972.46644.26947.09486.16936.1693
H123.36613.83713.36022.13721.07202.12104.46155.76934.90654.25222.46642.46766.47246.05556.0555
H132.11503.35213.82793.38022.14171.06962.51023.94534.24124.90004.26942.46764.37894.44684.4468
H143.28653.93055.30996.02995.61974.35142.01301.07763.66685.98437.09486.47244.37891.76531.7653
H152.76942.89354.22325.16015.08174.05582.08981.08312.40884.73326.16936.05554.44681.76531.7670
H162.76942.89354.22325.16015.08174.05582.08981.08312.40884.73326.16936.05554.44681.76531.7670

picture of Anisole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.794 C1 C2 H9 120.879
C1 C6 C5 120.192 C1 C6 H13 118.079
C1 O7 C8 120.757 C2 C1 C6 119.654
C2 C1 O7 124.375 C2 C3 C4 120.748
C2 C3 H10 119.184 C3 C2 H9 119.328
C3 C4 C5 119.146 C3 C4 H11 120.492
C4 C3 H10 120.068 C4 C5 C6 120.466
C4 C5 H12 119.989 C5 C4 H11 120.362
C5 C6 H13 121.729 C6 C1 O7 115.971
C6 C5 H12 119.544 O7 C8 H14 105.559
O7 C8 H15 111.370 O7 C8 H16 111.370
H14 C8 H15 109.574 H14 C8 H16 109.574
H15 C8 H16 109.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.412      
2 C -0.288      
3 C -0.224      
4 C -0.260      
5 C -0.225      
6 C -0.262      
7 O -0.735      
8 C -0.269      
9 H 0.243      
10 H 0.242      
11 H 0.237      
12 H 0.243      
13 H 0.260      
14 H 0.232      
15 H 0.198      
16 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.611 -0.246 0.000 1.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.413 4.047 0.000
y 4.047 -44.123 0.000
z 0.000 0.000 -52.457
Traceless
 xyz
x 8.877 4.047 0.000
y 4.047 1.812 0.000
z 0.000 0.000 -10.689
Polar
3z2-r2-21.378
x2-y24.710
xy4.047
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.469 1.199 0.000
y 1.199 12.430 0.000
z 0.000 0.000 3.658


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