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: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-386.141769
Energy at 298.15K-386.155312
HF Energy-386.141769
Nuclear repulsion energy412.946754
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 B1B95/6-31G*
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 3214 3051 16.10      
2 A 3180 3019 21.15      
3 A 3177 3015 19.68      
4 A 3176 3015 34.00      
5 A 3175 3014 0.29      
6 A 3167 3006 27.22      
7 A 3153 2993 27.67      
8 A 3152 2993 11.74      
9 A 3099 2942 31.51      
10 A 3086 2930 22.66      
11 A 3078 2922 13.10      
12 A 3077 2921 28.57      
13 A 1858 1764 204.54      
14 A 1549 1471 31.91      
15 A 1533 1455 11.14      
16 A 1530 1452 6.39      
17 A 1527 1450 6.10      
18 A 1518 1441 0.18      
19 A 1517 1440 7.04      
20 A 1512 1435 0.23      
21 A 1507 1431 0.03      
22 A 1497 1421 7.75      
23 A 1453 1379 12.22      
24 A 1427 1355 5.41      
25 A 1419 1347 6.16      
26 A 1348 1280 118.10      
27 A 1282 1217 9.26      
28 A 1256 1192 1.63      
29 A 1242 1179 196.58      
30 A 1209 1148 98.52      
31 A 1192 1131 0.82      
32 A 1080 1025 11.13      
33 A 1063 1009 0.46      
34 A 1043 990 3.16      
35 A 977 927 0.05      
36 A 967 918 3.05      
37 A 962 913 1.59      
38 A 898 852 12.65      
39 A 813 772 1.80      
40 A 784 744 5.24      
41 A 592 562 3.04      
42 A 499 474 2.70      
43 A 369 350 1.15      
44 A 365 347 13.85      
45 A 343 326 0.31      
46 A 321 304 4.82      
47 A 301 286 2.27      
48 A 270 256 0.01      
49 A 261 248 1.42      
50 A 223 212 0.81      
51 A 208 197 1.78      
52 A 169 160 0.03      
53 A 128 121 2.19      
54 A 47 45 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 38895.1 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 36923.1 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 B1B95/6-31G*
ABC
0.10588 0.05078 0.04461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.889 1.128 -0.002
C2 -0.970 -0.087 -0.000
C3 0.472 0.396 -0.000
C4 -1.206 -0.942 -1.250
C5 -1.206 -0.937 1.253
O6 1.339 -0.633 -0.000
O7 0.830 1.549 -0.000
C8 2.712 -0.256 0.000
H9 -1.718 1.748 -0.884
H10 -1.718 1.751 0.877
H11 -2.933 0.803 -0.002
H12 -0.543 -1.809 -1.265
H13 -1.038 -0.364 -2.163
H14 -2.240 -1.296 -1.263
H15 -0.543 -1.804 1.272
H16 -1.038 -0.356 2.164
H17 -2.240 -1.292 1.267
H18 3.276 -1.187 0.002
H19 2.947 0.337 0.885
H20 2.949 0.333 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20
C11.52362.47232.51162.51163.67762.75184.80521.09161.09151.09323.46872.76032.75483.46872.76002.75505.66014.98054.9820
C21.52361.52051.53281.53292.37282.43213.68592.16982.16982.15572.17892.18172.16132.17892.18182.16144.38584.03804.0395
C32.47231.52052.48322.48271.34551.20742.33312.72112.72073.42952.73702.74483.43702.73632.74413.43673.21962.62952.6313
C42.51161.53282.48322.50372.85233.45114.16942.76263.47002.75451.09141.09341.09362.74643.46832.74404.65994.84174.3608
C52.51161.53292.48272.50372.85363.44914.16963.47002.76252.75452.74623.46842.74421.09141.09341.09364.65994.35954.8431
O63.67762.37281.34552.85232.85362.24031.42363.97433.97494.50742.55493.22503.85332.55613.22743.85422.01422.07592.0759
O72.75182.43211.20743.45113.44912.24032.60772.70402.70213.83643.84203.43864.37213.83993.43544.37073.66942.59532.5985
C84.80523.68592.33314.16944.16961.42362.60774.94194.94195.74393.82244.33055.21573.82234.33125.21581.08791.09101.0910
H91.09162.16982.72112.76263.47003.97432.70404.94191.76101.77463.76532.56093.11214.31793.76523.76065.85955.18494.8761
H101.09152.16982.72073.47002.76253.97492.70214.94191.76101.77464.31793.76543.76043.76522.56053.11245.85944.87465.1863
H111.09322.15573.42952.75452.75454.50743.83645.74391.77461.77463.75903.10242.54513.75913.10212.54546.52015.96515.9666
H123.46872.17892.73701.09142.74622.55493.84203.82243.76534.31793.75901.77201.77272.53663.75723.09164.07194.62734.1141
H132.76032.18172.74481.09343.46843.22503.43864.33052.56093.76543.10241.77201.76813.75724.32713.75154.89645.06594.2433
H142.75482.16133.43701.09362.74423.85334.37215.21573.11213.76042.54511.77271.76813.09223.75152.52995.66055.84735.4517
H153.46872.17892.73632.74641.09142.55613.83993.82234.31793.76523.75912.53663.75723.09221.77211.77274.07164.11264.6282
H162.76002.18182.74413.46831.09343.22743.43544.33123.76522.56053.10213.75724.32713.75151.77211.76814.89674.24255.0676
H172.75502.16143.43672.74401.09363.85424.37075.21583.76063.11242.54543.09163.75152.52991.77271.76815.66035.45045.8486
H185.66014.38583.21964.65994.65992.01423.66941.08795.85955.85946.52014.07194.89645.66054.07164.89675.66031.79111.7911
H194.98054.03802.62954.84174.35952.07592.59531.09105.18494.87465.96514.62735.06595.84734.11264.24255.45041.79111.7725
H204.98204.03952.63134.36084.84312.07592.59851.09104.87615.18635.96664.11414.24335.45174.62825.06765.84861.79111.7725

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 108.616 C1 C2 C4 110.521
C1 C2 C5 110.516 C2 C1 H9 111.058
C2 C1 H10 111.057 C2 C1 H11 109.835
C2 C3 O6 111.633 C2 C3 O7 125.757
C2 C4 H12 111.145 C2 C4 H13 111.250
C2 C4 H14 109.622 C2 C5 H15 111.140
C2 C5 H16 111.246 C2 C5 H17 109.623
C3 C2 C4 108.835 C3 C2 C5 108.800
C3 O6 C8 114.794 C4 C2 C5 109.509
O6 C3 O7 122.610 O6 C8 H18 105.866
O6 C8 H19 110.594 O6 C8 H20 110.590
H9 C1 H10 107.542 H9 C1 H11 108.630
H10 C1 H11 108.635 H12 C4 H13 108.397
H12 C4 H14 108.443 H13 C4 H14 107.883
H15 C5 H16 108.402 H15 C5 H17 108.444
H16 C5 H17 107.885 H18 C8 H19 110.576
H18 C8 H20 110.568 H19 C8 H20 108.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.470      
2 C -0.086      
3 C 0.656      
4 C -0.485      
5 C -0.485      
6 O -0.468      
7 O -0.485      
8 C -0.260      
9 H 0.175      
10 H 0.175      
11 H 0.155      
12 H 0.180      
13 H 0.169      
14 H 0.165      
15 H 0.180      
16 H 0.169      
17 H 0.166      
18 H 0.179      
19 H 0.185      
20 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.149 -1.726 0.001 1.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.049 -1.722 0.001
y -1.722 -54.164 0.000
z 0.001 0.000 -48.220
Traceless
 xyz
x 8.143 -1.722 0.001
y -1.722 -8.529 0.000
z 0.001 0.000 0.387
Polar
3z2-r20.774
x2-y211.115
xy-1.722
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.305 -0.147 -0.000
y -0.147 9.944 -0.000
z -0.000 -0.000 8.857


<r2> (average value of r2) Å2
<r2> 293.761
(<r2>)1/2 17.139