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

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 trans 1A'
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-268.324447
Energy at 298.15K-268.331482
HF Energy-268.324447
Nuclear repulsion energy176.373040
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' 3065 3021 25.60      
2 A' 3004 2961 14.94      
3 A' 2994 2951 17.44      
4 A' 2966 2923 75.80      
5 A' 1744 1719 309.07      
6 A' 1488 1467 7.22      
7 A' 1472 1451 2.72      
8 A' 1398 1378 12.58      
9 A' 1374 1354 0.93      
10 A' 1364 1344 6.74      
11 A' 1145 1128 367.52      
12 A' 1109 1093 15.49      
13 A' 997 983 27.41      
14 A' 822 810 16.08      
15 A' 764 753 0.35      
16 A' 372 366 4.99      
17 A' 218 215 6.67      
18 A" 3077 3033 40.63      
19 A" 3044 3000 5.97      
20 A" 1461 1440 6.38      
21 A" 1270 1251 0.82      
22 A" 1152 1135 4.26      
23 A" 998 983 0.02      
24 A" 799 788 0.73      
25 A" 343 338 20.30      
26 A" 228 225 2.04      
27 A" 39 38 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 19352.5 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 19073.8 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/TZVP
ABC
0.59463 0.09460 0.08420

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 2.194 -0.280 0.000
C2 0.709 -0.578 0.000
O3 0.000 0.702 0.000
C4 -1.346 0.633 0.000
O5 -2.014 -0.374 0.000
H6 2.754 -1.222 0.000
H7 2.481 0.291 0.889
H8 2.481 0.291 -0.889
H9 0.401 -1.144 0.886
H10 0.401 -1.144 -0.886
H11 -1.750 1.660 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.51442.40383.65644.20871.09601.09481.09482.17872.17874.3958
C21.51441.46312.38582.73052.14402.16442.16441.09561.09563.3255
O32.40381.46311.34822.28293.35962.66742.66742.08622.08621.9956
C43.65642.38581.34821.20764.50073.94433.94432.64482.64481.1040
O54.20872.73052.28291.20764.84274.62974.62972.68472.68472.0511
H61.09602.14403.35964.50074.84271.77601.77602.51572.51575.3478
H71.09482.16442.66743.94434.62971.77601.77802.52713.08814.5354
H81.09482.16442.66743.94434.62971.77601.77803.08812.52714.5354
H92.17871.09562.08622.64482.68472.51572.52713.08811.77183.6437
H102.17871.09562.08622.64482.68472.51573.08812.52711.77183.6437
H114.39583.32551.99561.10402.05115.34784.53544.53543.64373.6437

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 107.655 C1 C2 H9 112.183
C1 C2 H10 112.183 C2 C1 H6 109.388
C2 C1 H7 111.074 C2 C1 H8 111.074
C2 O3 C4 116.067 O3 C2 H9 108.389
O3 C2 H10 108.389 O3 C4 O5 126.462
O3 C4 H11 108.526 O5 C4 H11 125.012
H6 C1 H7 108.319 H6 C1 H8 108.319
H7 C1 H8 108.584 H9 C2 H10 107.917
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 -0.293      
2 C -0.088      
3 O -0.177      
4 C 0.190      
5 O -0.301      
6 H 0.111      
7 H 0.117      
8 H 0.117      
9 H 0.124      
10 H 0.124      
11 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.158 0.432 0.000 2.201
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.459 -4.845 0.000
y -4.845 -29.695 0.000
z 0.000 0.000 -29.450
Traceless
 xyz
x -3.887 -4.845 0.000
y -4.845 1.759 0.000
z 0.000 0.000 2.128
Polar
3z2-r24.255
x2-y2-3.764
xy-4.845
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.138 -0.231 0.000
y -0.231 6.539 0.000
z 0.000 0.000 5.058


<r2> (average value of r2) Å2
<r2> 137.901
(<r2>)1/2 11.743