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: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-386.023961
Energy at 298.15K-386.012742
HF Energy-386.330149
Nuclear repulsion energy409.825348
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 B3LYP/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 A 3178 3052 18.18      
2 A 3147 3022 23.28      
3 A 3141 3016 39.13      
4 A 3140 3015 24.74      
5 A 3137 3012 0.12      
6 A 3129 3004 38.07      
7 A 3113 2990 25.13      
8 A 3111 2988 12.86      
9 A 3074 2952 32.90      
10 A 3061 2939 24.90      
11 A 3051 2929 11.60      
12 A 3048 2927 30.40      
13 A 1816 1744 196.44      
14 A 1551 1489 21.41      
15 A 1533 1472 9.00      
16 A 1530 1469 5.37      
17 A 1525 1464 6.92      
18 A 1521 1461 0.09      
19 A 1515 1455 0.06      
20 A 1512 1452 5.79      
21 A 1508 1448 0.04      
22 A 1491 1432 4.43      
23 A 1458 1400 8.59      
24 A 1430 1373 3.45      
25 A 1424 1367 3.47      
26 A 1321 1269 70.48      
27 A 1266 1216 3.91      
28 A 1243 1194 2.31      
29 A 1222 1174 128.98      
30 A 1195 1148 222.39      
31 A 1185 1137 0.92      
32 A 1070 1027 13.63      
33 A 1062 1020 0.24      
34 A 1017 977 6.76      
35 A 982 943 0.02      
36 A 956 918 2.26      
37 A 949 912 1.48      
38 A 877 842 12.56      
39 A 797 766 1.78      
40 A 773 743 5.02      
41 A 588 565 2.34      
42 A 496 476 2.70      
43 A 381 365 1.02      
44 A 364 349 11.06      
45 A 341 328 0.40      
46 A 321 308 7.04      
47 A 288 277 2.63      
48 A 261 250 0.06      
49 A 255 245 1.64      
50 A 210 201 0.29      
51 A 200 192 1.67      
52 A 133 128 1.18      
53 A 119 114 1.06      
54 A 36 35 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 38524.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 36994.7 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 B3LYP/6-31G*
ABC
0.10444 0.04981 0.04384

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.910 1.130 -0.002
C2 -0.976 -0.090 -0.000
C3 0.477 0.402 -0.000
C4 -1.216 -0.948 -1.263
C5 -1.216 -0.945 1.265
O6 1.355 -0.631 -0.000
O7 0.831 1.562 -0.000
C8 2.742 -0.259 0.000
H9 -1.744 1.754 -0.885
H10 -1.744 1.756 0.880
H11 -2.954 0.798 -0.001
H12 -0.558 -1.821 -1.284
H13 -1.045 -0.366 -2.175
H14 -2.255 -1.298 -1.279
H15 -0.557 -1.817 1.288
H16 -1.045 -0.360 2.176
H17 -2.255 -1.295 1.282
H18 3.297 -1.198 0.003
H19 2.982 0.332 0.888
H20 2.984 0.328 -0.890

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20
C11.53622.49472.52722.52723.70912.77474.85451.09411.09411.09593.48952.77672.76543.48952.77652.76555.70335.03555.0378
C21.53621.53341.54511.54522.39262.44803.72142.18472.18472.16852.19492.19392.17552.19492.19392.17564.41414.07814.0797
C32.49471.53342.50622.50581.35591.21252.35992.74622.74583.45342.76722.76313.46242.76672.76263.46213.24272.65922.6615
C42.52721.54512.50622.52722.88193.47604.21142.77843.49002.76741.09371.09631.09632.77423.49272.77044.69414.88764.4052
C52.52721.54522.50582.52722.88273.47464.21143.49002.77842.76732.77413.49282.77051.09371.09631.09634.69324.40434.8890
O63.70912.39261.35592.88192.88272.25411.43584.00924.00954.53972.59263.24963.88752.59343.25103.88812.02322.08892.0889
O72.77472.44801.21253.47603.47462.25412.63932.72992.72853.86163.87513.45904.39763.87373.45664.39663.70072.63182.6360
C84.85453.72142.35994.21144.21141.43582.63934.99614.99595.79323.86974.36845.26163.86954.36865.26161.09061.09341.0934
H91.09412.18472.74622.77843.49004.00922.72994.99611.76501.77733.78722.57813.11964.34543.78503.77545.90895.24424.9385
H101.09412.18472.74583.49002.77844.00952.72854.99591.76501.77734.34543.78513.77533.78722.57793.11985.90834.93595.2466
H111.09592.16853.45342.76742.76734.53973.86165.79321.77731.77733.77423.11892.55283.77423.11862.55296.56206.02046.0225
H123.48952.19492.76721.09372.77412.59263.87513.86973.78724.34543.77421.77471.77572.57203.78713.12094.11134.67774.1608
H132.77672.19392.76311.09633.49283.24963.45904.36842.57813.78513.11891.77471.77143.78714.35163.77954.92845.10744.2849
H142.76542.17553.46241.09632.77053.88754.39765.26163.11963.77532.55281.77571.77143.12133.77952.56155.69905.89755.4990
H153.48952.19492.76672.77421.09372.59343.87373.86954.34543.78723.77422.57203.78713.12131.77471.77574.11014.16044.6783
H162.77652.19392.76263.49271.09633.25103.45664.36863.78502.57793.11863.78714.35163.77951.77471.77154.92724.28425.1093
H172.76552.17563.46212.77041.09633.88814.39665.26163.77543.11982.55293.12093.77952.56151.77571.77155.69825.49815.8988
H185.70334.41413.24274.69414.69322.02323.70071.09065.90895.90836.56204.11134.92845.69904.11014.92725.69821.79541.7953
H195.03554.07812.65924.88764.40432.08892.63181.09345.24424.93596.02044.67775.10745.89754.16044.28425.49811.79541.7781
H205.03784.07972.66154.40524.88902.08892.63601.09344.93855.24666.02254.16084.28495.49904.67835.10935.89881.79531.7781

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 108.722 C1 C2 C4 110.199
C1 C2 C5 110.195 C2 C1 H9 111.207
C2 C1 H10 111.205 C2 C1 H11 109.813
C2 C3 O6 111.662 C2 C3 O7 125.726
C2 C4 H12 111.418 C2 C4 H13 111.176
C2 C4 H14 109.727 C2 C5 H15 111.414
C2 C5 H16 111.174 C2 C5 H17 109.728
C3 C2 C4 108.997 C3 C2 C5 108.970
C3 O6 C8 115.382 C4 C2 C5 109.725
O6 C3 O7 122.611 O6 C8 H18 105.599
O6 C8 H19 110.633 O6 C8 H20 110.629
H9 C1 H10 107.532 H9 C1 H11 108.492
H10 C1 H11 108.496 H12 C4 H13 108.262
H12 C4 H14 108.356 H13 C4 H14 107.785
H15 C5 H16 108.266 H15 C5 H17 108.356
H16 C5 H17 107.787 H18 C8 H19 110.585
H18 C8 H20 110.573 H19 C8 H20 108.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.432      
2 C -0.002      
3 C 0.638      
4 C -0.450      
5 C -0.450      
6 O -0.460      
7 O -0.486      
8 C -0.217      
9 H 0.155      
10 H 0.155      
11 H 0.135      
12 H 0.162      
13 H 0.149      
14 H 0.146      
15 H 0.162      
16 H 0.149      
17 H 0.146      
18 H 0.162      
19 H 0.169      
20 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.177 -1.732 0.001 1.741
CHELPG        
AIM        
ESP        


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> 298.534
(<r2>)1/2 17.278