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All results from a given calculation for HCOOC2H5 (Ethyl formate)

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-268.263658
Energy at 298.15K-268.270684
HF Energy-268.263658
Nuclear repulsion energy175.897598
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3072 3072 25.92      
2 A' 3011 3011 15.03      
3 A' 2992 2992 19.59      
4 A' 2977 2977 72.62      
5 A' 1729 1729 315.94      
6 A' 1462 1462 6.29      
7 A' 1445 1445 1.82      
8 A' 1377 1377 12.23      
9 A' 1348 1348 0.85      
10 A' 1339 1339 4.72      
11 A' 1142 1142 352.94      
12 A' 1101 1101 12.04      
13 A' 999 999 28.28      
14 A' 818 818 14.62      
15 A' 757 757 0.33      
16 A' 369 369 4.67      
17 A' 219 219 6.84      
18 A" 3084 3084 43.78      
19 A" 3056 3056 3.19      
20 A" 1434 1434 5.58      
21 A" 1255 1255 1.02      
22 A" 1139 1139 3.35      
23 A" 991 991 0.13      
24 A" 791 791 0.71      
25 A" 340 340 18.73      
26 A" 222 222 1.78      
27 A" 46 46 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 19256.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19256.8 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/aug-cc-pVDZ
ABC
0.58717 0.09448 0.08399

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.197 -0.275 0.000
C2 -0.710 -0.575 0.000
O3 0.000 0.708 0.000
C4 1.350 0.631 0.000
O5 2.012 -0.387 0.000
H6 -2.757 -1.225 0.000
H7 -2.486 0.298 0.895
H8 -2.486 0.298 -0.895
H9 -0.396 -1.140 -0.892
H10 -0.396 -1.140 0.892
H11 1.765 1.660 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.51762.40723.66094.21091.10221.10111.10112.18842.18844.4095
C21.51761.46632.38662.72822.14842.17232.17231.10131.10133.3345
O32.40721.46631.35192.29073.36722.67392.67392.09002.09002.0053
C43.66092.38661.35191.21444.50693.95293.95292.64182.64181.1095
O54.21092.72822.29071.21444.84264.63724.63722.67592.67592.0615
H61.10222.14843.36724.50694.84261.78651.78652.52592.52595.3639
H71.10112.17232.67393.95294.63721.78651.78963.10322.53744.5527
H81.10112.17232.67393.95294.63721.78651.78962.53743.10324.5527
H92.18841.10132.09002.64182.67592.52593.10322.53741.78333.6475
H102.18841.10132.09002.64182.67592.52592.53743.10321.78333.6475
H114.40953.33452.00531.10952.06155.36394.55274.55273.64753.6475

picture of Ethyl formate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.542 C1 C2 H9 112.384
C1 C2 H10 112.384 C2 C1 H6 109.148
C2 C1 H7 111.102 C2 C1 H8 111.102
C2 O3 C4 115.677 O3 C2 H9 108.127
O3 C2 H10 108.127 O3 C4 O5 126.322
O3 C4 H11 108.715 O5 C4 H11 124.963
H6 C1 H7 108.352 H6 C1 H8 108.352
H7 C1 H8 108.702 H9 C2 H10 108.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.561      
2 C 1.042      
3 O -0.386      
4 C 0.719      
5 O -0.401      
6 H -0.146      
7 H -0.171      
8 H -0.171      
9 H -0.354      
10 H -0.354      
11 H -0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.196 0.492 0.000 2.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.601 4.827 0.000
y 4.827 -29.874 0.000
z 0.000 0.000 -29.647
Traceless
 xyz
x -3.840 4.827 0.000
y 4.827 1.750 0.000
z 0.000 0.000 2.090
Polar
3z2-r24.180
x2-y2-3.727
xy4.827
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.061 0.267 0.000
y 0.267 7.186 0.000
z 0.000 0.000 5.665


<r2> (average value of r2) Å2
<r2> 138.349
(<r2>)1/2 11.762