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All results from a given calculation for C4H8O2 (Ethyl acetate)

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-307.635579
Energy at 298.15K 
HF Energy-307.635579
Nuclear repulsion energy242.111759
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 B97D3/TZVP
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' 3117 3072 9.46 66.79 0.67 0.80
2 A' 3064 3020 28.60 78.81 0.70 0.82
3 A' 3006 2963 6.13 133.29 0.00 0.01
4 A' 3002 2958 17.29 121.12 0.06 0.12
5 A' 2993 2950 20.26 174.74 0.01 0.01
6 A' 1747 1722 252.37 4.51 0.25 0.40
7 A' 1492 1470 5.71 1.23 0.73 0.84
8 A' 1474 1452 2.93 14.58 0.75 0.86
9 A' 1449 1428 14.30 9.05 0.66 0.79
10 A' 1399 1379 7.37 4.06 0.72 0.84
11 A' 1375 1355 18.24 0.23 0.57 0.73
12 A' 1364 1344 21.37 3.94 0.70 0.82
13 A' 1213 1196 377.49 0.49 0.18 0.31
14 A' 1113 1097 7.62 6.89 0.12 0.22
15 A' 1025 1010 155.58 2.78 0.69 0.82
16 A' 992 977 6.94 1.44 0.22 0.36
17 A' 917 904 15.54 2.04 0.11 0.20
18 A' 832 820 10.23 8.37 0.30 0.46
19 A' 623 614 2.88 9.11 0.31 0.47
20 A' 427 421 0.82 0.55 0.60 0.75
21 A' 361 356 7.88 3.90 0.30 0.46
22 A' 190 187 5.13 0.36 0.62 0.76
23 A" 3075 3030 44.11 21.21 0.75 0.86
24 A" 3069 3025 7.22 58.00 0.75 0.86
25 A" 3040 2996 7.05 90.55 0.75 0.86
26 A" 1462 1441 6.45 11.06 0.75 0.86
27 A" 1453 1432 9.12 9.08 0.75 0.86
28 A" 1273 1254 0.59 9.57 0.75 0.86
29 A" 1153 1137 3.56 1.17 0.75 0.86
30 A" 1041 1026 4.88 0.17 0.75 0.86
31 A" 803 791 0.70 0.17 0.75 0.86
32 A" 590 581 4.03 1.46 0.75 0.86
33 A" 264 260 0.95 0.06 0.75 0.86
34 A" 150 148 4.84 0.02 0.75 0.86
35 A" 62 61 0.36 0.38 0.75 0.86
36 A" 15 15 0.51 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25311.0 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 24946.5 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 B97D3/TZVP
ABC
0.27827 0.06877 0.05690

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.320 0.033 0.000
C2 -0.917 -0.527 0.000
O3 0.000 0.480 0.000
O4 -0.626 -1.705 0.000
C5 1.399 0.071 0.000
C6 2.244 1.328 0.000
H7 -3.038 -0.787 0.000
H8 -2.474 0.664 0.883
H9 -2.474 0.664 -0.883
H10 1.582 -0.549 0.885
H11 1.582 -0.549 -0.885
H12 3.306 1.056 0.000
H13 2.045 1.936 -0.889
H14 2.045 1.936 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51172.36302.42723.71954.74451.09061.09521.09524.04414.04415.71824.84454.8445
C21.51171.36171.21252.39143.66502.13772.14982.14982.65122.65124.50923.95363.9536
O32.36301.36172.27211.45742.39913.29212.63282.63282.08452.08453.35542.66342.6634
O42.42721.21252.27212.69284.17562.58073.13053.13052.64522.64524.80394.60224.6022
C53.71952.39141.45742.69281.51534.51944.01574.01571.09581.09582.14622.16522.1652
C64.74453.66502.39914.17561.51535.69034.84524.84522.17812.17811.09611.09501.0950
H71.09062.13773.29212.58074.51945.69031.78991.78994.71094.71096.60635.83535.8353
H81.09522.14982.63283.13054.01574.84521.78991.76514.23334.58765.85935.01754.6945
H91.09522.14982.63283.13054.01574.84521.78991.76514.58764.23335.85934.69455.0175
H104.04412.65122.08452.64521.09582.17814.71094.23334.58761.77042.51533.08802.5276
H114.04412.65122.08452.64521.09582.17814.71094.58764.23331.77042.51532.52763.0880
H125.71824.50923.35544.80392.14621.09616.60635.85935.85932.51532.51531.77601.7760
H134.84453.95362.66344.60222.16521.09505.83535.01754.69453.08802.52761.77601.7775
H144.84453.95362.66344.60222.16521.09505.83534.69455.01752.52763.08801.77601.7775

picture of Ethyl acetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 110.535 C1 C2 O4 125.634
C2 C1 H7 109.396 C2 C1 H8 110.078
C2 C1 H9 110.078 C2 O3 C5 116.007
O3 C2 O4 123.831 O3 C5 C6 107.598
O3 C5 H10 108.628 O3 C5 H11 108.628
C5 C6 H12 109.496 C5 C6 H13 111.071
C5 C6 H14 111.071 C6 C5 H10 112.063
C6 C5 H11 112.063 H7 C1 H8 109.946
H7 C1 H9 109.946 H8 C1 H9 107.377
H10 C5 H11 107.766 H12 C6 H13 108.299
H12 C6 H14 108.299 H13 C6 H14 108.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.356      
2 C 0.227      
3 O -0.180      
4 O -0.302      
5 C -0.069      
6 C -0.295      
7 H 0.141      
8 H 0.130      
9 H 0.130      
10 H 0.119      
11 H 0.119      
12 H 0.109      
13 H 0.114      
14 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.389 1.984 0.000 2.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.660 -1.046 0.000
y -1.046 -43.172 0.000
z 0.000 0.000 -35.732
Traceless
 xyz
x 8.792 -1.046 0.000
y -1.046 -9.976 0.000
z 0.000 0.000 1.184
Polar
3z2-r22.367
x2-y212.512
xy-1.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.959 0.572 0.000
y 0.572 8.588 0.000
z 0.000 0.000 6.639


<r2> (average value of r2) Å2
<r2> 203.811
(<r2>)1/2 14.276