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All results from a given calculation for (CH3)3CC(CH3)3 (tetramethylbutane)

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-315.529647
Energy at 298.15K 
HF Energy-315.529647
Nuclear repulsion energy437.521978
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 M06-2X/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 3154 2987 0.00      
2 A1g 3091 2927 0.00      
3 A1g 1553 1470 0.00      
4 A1g 1472 1394 0.00      
5 A1g 1314 1245 0.00      
6 A1g 663 628 0.00      
7 A1g 412 390 0.00      
8 A1u 3178 3010 0.00      
9 A1u 1544 1462 0.00      
10 A1u 973 921 0.01      
11 A1u 311 295 0.00      
12 A1u 127i 121i 0.00      
13 A2g 3160 2992 0.00      
14 A2g 1501 1421 0.00      
15 A2g 110 105 0.00      
16 A2u 3150 2983 123.64      
17 A2u 3081 2918 45.58      
18 A2u 1549 1467 24.96      
19 A2u 1446 1370 23.78      
20 A2u 1223 1159 23.28      
21 A2u 820 777 3.30      
22 A2u 493 467 0.00      
23 Eg 3177 3008 0.00      
24 Eg 3177 3008 0.00      
25 Eg 3143 2976 0.00      
25 Eg 3143 2976 0.00      
26 Eg 3077 2914 0.00      
26 Eg 3077 2914 0.00      
27 Eg 1564 1482 0.00      
27 Eg 1564 1481 0.00      
28 Eg 1515 1435 0.00      
28 Eg 1515 1435 0.00      
29 Eg 1422 1347 0.00      
29 Eg 1422 1347 0.00      
30 Eg 1296 1228 0.00      
30 Eg 1296 1227 0.00      
31 Eg 1078 1021 0.00      
31 Eg 1078 1021 0.00      
32 Eg 473 448 0.00      
32 Eg 473 448 0.00      
33 Eg 222 210 0.00      
33 Eg 221 210 0.00      
34 Eu 3170 3002 91.79      
34 Eu 3170 3002 92.10      
35 Eu 3145 2979 2.95      
35 Eu 3145 2979 2.89      
36 Eu 3080 2917 32.33      
36 Eu 3080 2917 32.67      
37 Eu 1541 1459 11.05      
37 Eu 1541 1459 11.02      
38 Eu 1513 1433 0.50      
38 Eu 1513 1433 0.49      
39 Eu 1433 1357 12.67      
39 Eu 1433 1357 12.93      
40 Eu 1233 1168 3.64      
40 Eu 1233 1168 3.70      
41 Eu 1029 974 0.16      
41 Eu 1029 974 0.18      
42 Eu 959 908 1.27      
42 Eu 959 908 1.31      
43 Eu 954 904 0.00      
43 Eu 949 899 0.00      
44 Eu 949 898 0.00      
44 Eu 919 870 0.00      
45 Eu 420 398 0.00      
45 Eu 420 398 0.00      
46 Eu 402 381 0.05      
46 Eu 402 380 0.05      
47 Eu 327 310 0.01      
47 Eu 327 310 0.00      
48 Eu 234 222 0.02      
48 Eu 234 222 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 54373.7 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 51491.9 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 M06-2X/6-31G*
ABC
0.07781 0.05537 0.05537

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.788
C2 0.000 0.000 -0.788
C3 0.000 1.431 1.353
C4 -1.239 -0.715 1.353
C5 1.239 -0.715 1.353
C6 0.000 -1.431 -1.353
C7 -1.239 0.715 -1.353
C8 1.239 0.715 -1.353
H9 0.000 1.390 2.448
H10 -0.887 1.994 1.049
H11 0.887 1.994 1.049
H12 -1.204 -0.695 2.448
H13 -1.284 -1.766 1.049
H14 -2.171 -0.229 1.049
H15 1.204 -0.695 2.448
H16 2.171 -0.229 1.049
H17 1.284 -1.766 1.049
H18 0.000 -1.390 -2.448
H19 -0.887 -1.994 -1.049
H20 0.887 -1.994 -1.049
H21 -1.204 0.695 -2.448
H22 -1.284 1.766 -1.049
H23 -2.171 0.229 -1.049
H24 1.204 0.695 -2.448
H25 2.171 0.229 -1.049
H26 1.284 1.766 -1.049

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21 H22 H23 H24 H25 H26
C11.57581.53791.53791.53792.57452.57452.57452.16482.19852.19852.16482.19852.19852.16482.19852.19853.52132.85312.85313.52132.85312.85313.52132.85312.8531
C21.57582.57452.57452.57451.53791.53791.53793.52132.85312.85313.52132.85312.85313.52132.85312.85312.16482.19852.19852.16482.19852.19852.16482.19852.1985
C31.53792.57452.47782.47783.93743.06013.06011.09571.09411.09412.67683.45762.74932.67682.74933.45764.73244.27624.27624.05352.74383.45334.05353.45332.7438
C41.53792.57452.47782.47783.06013.06013.93742.67682.74933.45761.09571.09411.09412.67683.45762.74934.05352.74383.45334.05353.45332.74384.73244.27624.2762
C51.53792.57452.47782.47783.06013.93743.06012.67683.45762.74932.67682.74933.45761.09571.09411.09414.05353.45332.74384.73244.27624.27624.05352.74383.4533
C62.57451.53793.93743.06013.06012.47782.47784.73244.27624.27624.05352.74383.45334.05353.45332.74381.09571.09411.09412.67683.45762.74932.67682.74933.4576
C72.57451.53793.06013.06013.93742.47782.47784.05352.74383.45334.05353.45332.74384.73244.27624.27622.67682.74933.45761.09571.09411.09412.67683.45762.7493
C82.57451.53793.06013.93743.06012.47782.47784.05353.45332.74384.73244.27624.27624.05352.74383.45332.67683.45762.74932.67682.74933.45761.09571.09411.0941
H92.16483.52131.09572.67682.67684.73244.05354.05351.76291.76292.40743.68243.04772.40743.04773.68245.62934.94654.94655.08863.74384.27645.08864.27643.7438
H102.19852.85311.09412.74933.45764.27622.74383.45331.76291.77443.04773.78092.56733.68243.78094.34174.94654.50724.84393.74382.14783.02794.27644.10763.0279
H112.19852.85311.09413.45762.74934.27623.45332.74381.76291.77443.68244.34173.78093.04772.56733.78094.94654.84394.50724.27643.02794.10763.74383.02792.1478
H122.16483.52132.67681.09572.67684.05354.05354.73242.40743.04773.68241.76291.76292.40743.68243.04775.08863.74384.27645.08864.27643.74385.62934.94654.9465
H132.19852.85313.45761.09412.74932.74383.45334.27623.68243.78094.34171.76291.77443.04773.78092.56733.74382.14783.02794.27644.10763.02794.94654.50724.8439
H142.19852.85312.74931.09413.45763.45332.74384.27623.04772.56733.78091.76291.77443.68244.34173.78094.27643.02794.10763.74383.02792.14784.94654.84394.5072
H152.16483.52132.67682.67681.09574.05354.73244.05352.40743.68243.04772.40743.04773.68241.76291.76295.08864.27643.74385.62934.94654.94655.08863.74384.2764
H162.19852.85312.74933.45761.09413.45334.27622.74383.04773.78092.56733.68243.78094.34171.76291.77444.27644.10763.02794.94654.50724.84393.74382.14783.0279
H172.19852.85313.45762.74931.09412.74384.27623.45333.68244.34173.78093.04772.56733.78091.76291.77443.74383.02792.14784.94654.84394.50724.27643.02794.1076
H183.52132.16484.73244.05354.05351.09572.67682.67685.62934.94654.94655.08863.74384.27645.08864.27643.74381.76291.76292.40743.68243.04772.40743.04773.6824
H192.85312.19854.27622.74383.45331.09412.74933.45764.94654.50724.84393.74382.14783.02794.27644.10763.02791.76291.77443.04773.78092.56733.68243.78094.3417
H202.85312.19854.27623.45332.74381.09413.45762.74934.94654.84394.50724.27643.02794.10763.74383.02792.14781.76291.77443.68244.34173.78093.04772.56733.7809
H213.52132.16484.05354.05354.73242.67681.09572.67685.08863.74384.27645.08864.27643.74385.62934.94654.94652.40743.04773.68241.76291.76292.40743.68243.0477
H222.85312.19852.74383.45334.27623.45761.09412.74933.74382.14783.02794.27644.10763.02794.94654.50724.84393.68243.78094.34171.76291.77443.04773.78092.5673
H232.85312.19853.45332.74384.27622.74931.09413.45764.27643.02794.10763.74383.02792.14784.94654.84394.50723.04772.56733.78091.76291.77443.68244.34173.7809
H243.52132.16484.05354.73244.05352.67682.67681.09575.08864.27643.74385.62934.94654.94655.08863.74384.27642.40743.68243.04772.40743.04773.68241.76291.7629
H252.85312.19853.45334.27622.74382.74933.45761.09414.27644.10763.02794.94654.50724.84393.74382.14783.02793.04773.78092.56733.68243.78094.34171.76291.7744
H262.85312.19852.74384.27623.45333.45762.74931.09413.74383.02792.14784.94654.84394.50724.27643.02794.10763.68244.34173.78093.04772.56733.78091.76291.7744

picture of tetramethylbutane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 111.540 C1 C2 C7 111.540
C1 C2 C8 111.540 C1 C3 H9 109.414
C1 C3 H10 112.187 C1 C3 H11 112.187
C1 C4 H12 109.414 C1 C4 H13 112.187
C1 C4 H14 112.186 C1 C5 H15 109.414
C1 C5 H16 112.186 C1 C5 H17 112.187
C2 C1 C3 111.540 C2 C1 C4 111.540
C2 C1 C5 111.540 C2 C6 H18 109.414
C2 C6 H19 112.187 C2 C6 H20 112.187
C2 C7 H21 109.414 C2 C7 H22 112.187
C2 C7 H23 112.186 C2 C8 H24 109.414
C2 C8 H25 112.186 C2 C8 H26 112.187
C3 C1 C4 107.326 C3 C1 C5 107.326
C4 C1 C5 107.326 C6 C2 C7 107.326
C6 C2 C8 107.326 C7 C2 C8 107.326
H9 C3 H10 107.228 H9 C3 H11 107.228
H10 C3 H11 108.359 H12 C4 H13 107.228
H12 C4 H14 107.228 H13 C4 H14 108.359
H15 C5 H16 107.228 H15 C5 H17 107.228
H16 C5 H17 108.359 H18 C6 H19 107.228
H18 C6 H20 107.228 H19 C6 H20 108.359
H21 C7 H22 107.228 H21 C7 H23 107.228
H22 C7 H23 108.359 H24 C8 H25 107.228
H24 C8 H26 107.228 H25 C8 H26 108.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.052      
2 C 0.052      
3 C -0.480      
4 C -0.480      
5 C -0.480      
6 C -0.480      
7 C -0.480      
8 C -0.480      
9 H 0.151      
10 H 0.156      
11 H 0.156      
12 H 0.151      
13 H 0.156      
14 H 0.156      
15 H 0.151      
16 H 0.156      
17 H 0.156      
18 H 0.151      
19 H 0.156      
20 H 0.156      
21 H 0.151      
22 H 0.156      
23 H 0.156      
24 H 0.151      
25 H 0.156      
26 H 0.156      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.422 0.000 0.000
y 0.000 -55.422 0.000
z 0.000 0.000 -55.028
Traceless
 xyz
x -0.197 0.000 0.000
y 0.000 -0.197 0.000
z 0.000 0.000 0.393
Polar
3z2-r20.787
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.028 0.000 0.000
y 0.000 11.995 -0.010
z 0.000 -0.010 13.190


<r2> (average value of r2) Å2
<r2> 299.437
(<r2>)1/2 17.304