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

using model chemistry: B97D3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-268.338302
Energy at 298.15K-268.345328
HF Energy-268.338302
Nuclear repulsion energy176.629301
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/Def2TZVPP
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' 3063 3021 24.13      
2 A' 3003 2962 14.67      
3 A' 2992 2951 17.23      
4 A' 2960 2919 76.13      
5 A' 1744 1720 300.17      
6 A' 1485 1465 6.55      
7 A' 1469 1448 2.24      
8 A' 1392 1373 10.62      
9 A' 1367 1348 0.44      
10 A' 1361 1343 6.54      
11 A' 1148 1132 362.51      
12 A' 1106 1091 14.10      
13 A' 998 985 27.49      
14 A' 822 811 14.49      
15 A' 764 754 0.38      
16 A' 371 366 4.83      
17 A' 219 216 6.49      
18 A" 3073 3031 39.08      
19 A" 3041 2999 4.61      
20 A" 1458 1438 5.82      
21 A" 1268 1251 1.05      
22 A" 1150 1135 3.74      
23 A" 1001 988 0.05      
24 A" 796 785 0.84      
25 A" 342 337 17.98      
26 A" 223 220 1.73      
27 A" 43 42 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 19330.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 19065.6 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/Def2TZVPP
ABC
0.59559 0.09493 0.08448

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.191 -0.280 0.000
C2 -0.707 -0.575 0.000
O3 0.000 0.702 0.000
C4 1.344 0.631 0.000
O5 2.009 -0.376 0.000
H6 -2.750 -1.222 0.000
H7 -2.480 0.290 0.888
H8 -2.480 0.290 -0.888
H9 -0.396 -1.140 -0.885
H10 -0.396 -1.140 0.885
H11 1.750 1.657 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.51372.40163.65124.20141.09501.09401.09402.17842.17844.3919
C21.51371.46012.37942.72302.14312.16342.16341.09451.09453.3196
O32.40161.46011.34632.27993.35642.66592.66592.08162.08161.9936
C43.65122.37941.34631.20594.49393.94053.94052.63552.63551.1038
O54.20142.72302.27991.20594.83354.62374.62372.67392.67392.0492
H61.09502.14313.35644.49394.83351.77431.77432.51612.51615.3423
H71.09402.16342.66593.94054.62371.77431.77613.08692.52714.5330
H81.09402.16342.66593.94054.62371.77431.77612.52713.08694.5330
H92.17841.09452.08162.63552.67392.51613.08692.52711.76943.6347
H102.17841.09452.08162.63552.67392.51612.52713.08691.76943.6347
H114.39193.31961.99361.10382.04925.34234.53304.53303.63473.6347

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 107.708 C1 C2 H9 112.279
C1 C2 H10 112.279 C2 C1 H6 109.425
C2 C1 H7 111.099 C2 C1 H8 111.099
C2 O3 C4 115.893 O3 C2 H9 108.291
O3 C2 H10 108.291 O3 C4 O5 126.497
O3 C4 H11 108.512 O5 C4 H11 124.991
H6 C1 H7 108.297 H6 C1 H8 108.297
H7 C1 H8 108.536 H9 C2 H10 107.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 C 0.072      
3 O -0.217      
4 C 0.202      
5 O -0.291      
6 H 0.056      
7 H 0.061      
8 H 0.061      
9 H 0.071      
10 H 0.071      
11 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.146 0.480 0.000 2.199
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.310 4.618 0.000
y 4.618 -29.556 0.000
z 0.000 0.000 -29.413
Traceless
 xyz
x -3.826 4.618 0.000
y 4.618 1.806 0.000
z 0.000 0.000 2.020
Polar
3z2-r24.040
x2-y2-3.754
xy4.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.458 0.313 0.000
y 0.313 6.722 0.000
z 0.000 0.000 5.268


<r2> (average value of r2) Å2
<r2> 137.455
(<r2>)1/2 11.724