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 C6H12O2 (Methyl pivalate)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-384.049634
Energy at 298.15K 
HF Energy-384.049634
Nuclear repulsion energy404.229272
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 BLYP/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 3098 3081 14.99      
2 A 3070 3053 29.92      
3 A 3066 3049 1.25      
4 A 3053 3036 28.50      
5 A 3051 3034 21.10      
6 A 3050 3033 31.86      
7 A 3033 3016 25.04      
8 A 3030 3014 11.32      
9 A 2990 2973 23.69      
10 A 2986 2970 25.08      
11 A 2976 2960 12.23      
12 A 2974 2957 28.96      
13 A 1676 1666 107.80      
14 A 1551 1542 17.57      
15 A 1529 1521 15.77      
16 A 1529 1520 7.12      
17 A 1525 1517 0.11      
18 A 1523 1515 6.38      
19 A 1515 1507 0.36      
20 A 1507 1498 0.00      
21 A 1503 1495 7.56      
22 A 1442 1434 7.40      
23 A 1430 1422 7.35      
24 A 1409 1401 7.60      
25 A 1398 1391 7.56      
26 A 1261 1254 1.05      
27 A 1232 1225 5.76      
28 A 1206 1200 5.10      
29 A 1135 1129 0.45      
30 A 1117 1110 0.02      
31 A 1093 1087 252.20      
32 A 1051 1045 0.24      
33 A 1042 1037 92.43      
34 A 985 979 0.20      
35 A 939 933 1.39      
36 A 920 915 1.68      
37 A 914 909 9.24      
38 A 811 807 9.63      
39 A 735 731 4.76      
40 A 727 723 2.39      
41 A 559 555 0.75      
42 A 476 474 2.70      
43 A 368 366 0.66      
44 A 347 345 5.78      
45 A 332 330 1.91      
46 A 309 307 13.76      
47 A 286 285 3.45      
48 A 276 275 0.11      
49 A 248 247 1.72      
50 A 217 216 0.04      
51 A 191 190 1.44      
52 A 125 124 3.16      
53 A 58 58 0.24      
54 A 57i 57i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 37406.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 37200.6 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 BLYP/3-21G
ABC
0.10106 0.04889 0.04276

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.956 1.127 -0.000
C2 0.997 -0.092 0.000
C3 -0.450 0.432 -0.000
C4 1.202 -0.968 1.278
C5 1.203 -0.968 -1.278
O6 -1.347 -0.657 -0.000
O7 -0.832 1.610 -0.000
C8 -2.789 -0.251 0.000
H9 1.784 1.751 0.891
H10 1.784 1.751 -0.891
H11 3.003 0.780 -0.000
H12 0.463 -1.781 1.293
H13 1.081 -0.358 2.189
H14 2.219 -1.395 1.275
H15 0.463 -1.782 -1.292
H16 1.081 -0.358 -2.188
H17 2.220 -1.395 -1.274
H18 -3.338 -1.200 -0.009
H19 -3.021 0.353 -0.890
H20 -3.025 0.338 0.899

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20
C11.55042.50472.56692.56703.75422.82964.94161.10131.10131.10223.51542.78562.83793.51542.78572.83785.78345.11515.1233
C21.55041.53911.56301.56302.41162.49803.79002.19232.19232.18632.19352.20622.19482.19352.20622.19484.47524.13974.1442
C32.50471.53912.51452.51461.41071.23832.43692.74292.74293.47012.72032.78503.47672.72052.78503.47683.31742.72172.7293
C42.56691.56302.51452.55532.86883.52364.25212.80703.52602.81571.09951.10321.10292.79523.52162.78034.72554.92764.4410
C52.56701.56302.51462.55532.86863.52374.25213.52602.80712.81572.79533.52162.78021.09951.10321.10294.72054.44264.9313
O63.75422.41161.41072.86882.86862.32461.49824.04884.04884.58082.49193.28253.85862.49183.28213.85862.06412.14812.1481
O72.82962.49801.23833.52363.52372.32462.70092.76672.76673.92313.85283.50974.46803.85303.50984.46813.76532.67642.6904
C84.94163.79002.43694.25214.25211.49822.70095.07095.07095.88283.81914.44735.29333.81934.44725.29341.09621.10021.1003
H91.10132.19232.74292.80703.52604.04882.76675.07091.78191.79493.79232.57353.19904.35743.79783.84385.97945.31125.0124
H101.10132.19232.74293.52602.80714.04882.76675.07091.78191.79494.35743.79773.84393.79242.57373.19895.97665.00395.3224
H111.10222.18633.47012.81572.81574.58083.92315.88281.79491.79493.83163.12672.63983.83153.12682.63976.64286.10396.1105
H123.51542.19352.72031.09952.79532.49193.85283.81913.79234.35743.83161.79221.79882.58463.81113.13444.05964.63184.1000
H132.78562.20622.78501.10323.52163.28253.50974.44732.57353.79773.12671.79221.79113.81114.37703.79015.00705.17744.3597
H142.83792.19483.47671.10292.78023.85864.46805.29333.19903.84392.63981.79881.79113.13413.79012.54905.70755.93325.5363
H153.51542.19352.72052.79521.09952.49183.85303.81934.35743.79243.83152.58463.81113.13411.79221.79884.05384.10584.6323
H162.78572.20622.78503.52161.10323.28213.50984.44723.79782.57373.12683.81114.37703.79011.79221.79114.99874.36105.1842
H172.83782.19483.47682.78031.10293.85864.46815.29343.84383.19892.63973.13443.79012.54901.79881.79115.70355.53805.9359
H185.78344.47523.31744.72554.72052.06413.76531.09625.97945.97666.64284.05965.00705.70754.05384.99875.70351.81331.8130
H195.11514.13972.72174.92764.44262.14812.67641.10025.31125.00396.10394.63185.17745.93324.10584.36105.53801.81331.7886
H205.12334.14422.72934.44104.93132.14812.69041.10035.01245.32246.11054.10004.35975.53634.63235.18425.93591.81301.7886

picture of Methyl pivalate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 108.332 C1 C2 C4 111.071
C1 C2 C5 111.071 C2 C1 H9 110.381
C2 C1 H10 110.381 C2 C1 H11 109.866
C2 C3 O6 109.611 C2 C3 O7 127.831
C2 C4 H12 109.719 C2 C4 H13 110.495
C2 C4 H14 109.621 C2 C5 H15 109.718
C2 C5 H16 110.494 C2 C5 H17 109.621
C3 C2 C4 108.305 C3 C2 C5 108.310
C3 O6 C8 113.772 C4 C2 C5 109.659
O6 C3 O7 122.558 O6 C8 H18 104.351
O6 C8 H19 110.587 O6 C8 H20 110.583
H9 C1 H10 107.992 H9 C1 H11 109.090
H10 C1 H11 109.089 H12 C4 H13 108.904
H12 C4 H14 109.519 H13 C4 H14 108.559
H15 C5 H16 108.905 H15 C5 H17 109.520
H16 C5 H17 108.560 H18 C8 H19 111.292
H18 C8 H20 111.258 H19 C8 H20 108.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.470      
2 C -0.232      
3 C 0.669      
4 C -0.477      
5 C -0.477      
6 O -0.448      
7 O -0.459      
8 C -0.331      
9 H 0.184      
10 H 0.184      
11 H 0.168      
12 H 0.193      
13 H 0.177      
14 H 0.175      
15 H 0.193      
16 H 0.177      
17 H 0.175      
18 H 0.196      
19 H 0.202      
20 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.361 -1.380 0.000 1.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.028 1.448 0.001
y 1.448 -54.660 0.001
z 0.001 0.001 -48.903
Traceless
 xyz
x 8.753 1.448 0.001
y 1.448 -8.694 0.001
z 0.001 0.001 -0.058
Polar
3z2-r2-0.117
x2-y211.631
xy1.448
xz0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.583 0.169 -0.001
y 0.169 9.647 0.000
z -0.001 0.000 8.447


<r2> (average value of r2) Å2
<r2> 304.620
(<r2>)1/2 17.453