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All results from a given calculation for CH3COOCH3 (methyl acetate)

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-268.310064
Energy at 298.15K-268.316526
Nuclear repulsion energy179.051865
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/cc-pVDZ
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' 3089 3094 7.53      
2 A' 3076 3081 16.97      
3 A' 2973 2978 4.76      
4 A' 2962 2966 31.69      
5 A' 1743 1746 196.87      
6 A' 1428 1430 7.33      
7 A' 1404 1406 15.15      
8 A' 1400 1402 7.39      
9 A' 1329 1332 31.48      
10 A' 1196 1198 286.13      
11 A' 1151 1153 5.95      
12 A' 1011 1013 88.46      
13 A' 939 940 0.98      
14 A' 811 812 19.51      
15 A' 617 618 3.99      
16 A' 406 407 5.48      
17 A' 272 272 9.67      
18 A" 3035 3040 8.36      
19 A" 3033 3038 24.08      
20 A" 1406 1408 12.24      
21 A" 1405 1407 0.14      
22 A" 1117 1119 0.69      
23 A" 1014 1016 5.45      
24 A" 577 578 3.32      
25 A" 174 175 5.33      
26 A" 110 111 0.26      
27 A" 12 12 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 18843.9 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 18874.1 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 BLYP/cc-pVDZ
ABC
0.32983 0.13584 0.09990

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.152 1.498 0.000
C2 0.000 0.504 0.000
O3 -1.190 0.779 0.000
O4 0.483 -0.785 0.000
C5 -0.540 -1.819 0.000
H6 0.752 2.526 0.000
H7 1.792 1.340 0.891
H8 1.792 1.340 -0.891
H9 0.011 -2.776 0.000
H10 -1.182 -1.737 0.899
H11 -1.182 -1.737 -0.899

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 H6 H7 H8 H9 H10 H11
C11.52182.45062.37923.72341.10331.10841.10844.42374.08964.0896
C21.52181.22151.37682.38462.15722.16912.16913.27982.68862.6886
O32.45061.22152.29042.67752.61243.16303.16303.75182.67152.6715
O42.37921.37682.29041.45423.32202.65022.65022.04602.11862.1186
C53.72342.38462.67751.45424.53254.02604.02601.10421.10821.1082
H61.10332.15722.61243.32204.53251.81211.81215.35334.76674.7667
H71.10842.16913.16302.65024.02601.81211.78234.57244.27964.6390
H81.10842.16913.16302.65024.02601.81211.78234.57244.63904.2796
H94.42373.27983.75182.04601.10425.35334.57244.57241.81971.8197
H104.08962.68862.67152.11861.10824.76674.27964.63901.81971.7985
H114.08962.68862.67152.11861.10824.76674.63904.27961.81971.7985

picture of methyl acetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 126.228 C1 C2 O4 110.234
C2 C1 H6 109.486 C2 C1 H7 110.115
C2 C1 H8 110.115 C2 O4 C5 114.744
O3 C2 O4 123.538 O4 C5 H9 105.385
O4 C5 H10 110.823 O4 C5 H11 110.823
H6 C1 H7 110.037 H6 C1 H8 110.037
H7 C1 H8 107.023 H9 C5 H10 110.669
H9 C5 H11 110.669 H10 C5 H11 108.474
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.046      
2 C 0.084      
3 O -0.214      
4 O -0.233      
5 C 0.140      
6 H 0.028      
7 H 0.038      
8 H 0.038      
9 H 0.019      
10 H 0.026      
11 H 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.381 -0.912 0.000 1.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.103 4.154 0.000
y 4.154 -26.822 0.000
z 0.000 0.000 -29.207
Traceless
 xyz
x -4.089 4.154 0.000
y 4.154 3.833 0.000
z 0.000 0.000 0.255
Polar
3z2-r20.510
x2-y2-5.281
xy4.154
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.252 0.589 0.000
y 0.589 7.359 0.000
z 0.000 0.000 4.525


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