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

using model chemistry: M06-2X/6-311G**

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 M06-2X/6-311G**
 hartrees
Energy at 0K-268.340391
Energy at 298.15K-268.347708
HF Energy-268.340391
Nuclear repulsion energy178.460379
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 M06-2X/6-311G**
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' 3153 3153 15.07      
2 A' 3101 3101 49.29      
3 A' 3091 3091 17.78      
4 A' 3075 3075 10.51      
5 A' 1868 1868 333.51      
6 A' 1533 1533 8.16      
7 A' 1508 1508 3.46      
8 A' 1442 1442 18.10      
9 A' 1419 1419 1.92      
10 A' 1400 1400 0.03      
11 A' 1261 1261 443.48      
12 A' 1151 1151 13.14      
13 A' 1064 1064 18.39      
14 A' 891 891 10.59      
15 A' 811 811 4.24      
16 A' 393 393 6.67      
17 A' 239 239 7.33      
18 A" 3165 3165 25.30      
19 A" 3133 3133 6.30      
20 A" 1495 1495 8.13      
21 A" 1309 1309 1.75      
22 A" 1191 1191 5.29      
23 A" 1064 1064 0.23      
24 A" 824 824 0.82      
25 A" 354 354 23.31      
26 A" 261 261 3.45      
27 A" 79 79 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 20137.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20137.3 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 M06-2X/6-311G**
ABC
0.60092 0.09769 0.08675

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.168 -0.273 0.000
C2 -0.686 -0.568 0.000
O3 0.000 0.697 0.000
C4 1.331 0.626 0.000
O5 1.970 -0.383 0.000
H6 -2.735 -1.205 0.000
H7 -2.443 0.302 0.885
H8 -2.443 0.302 -0.885
H9 -0.378 -1.133 -0.882
H10 -0.378 -1.133 0.882
H11 1.753 1.640 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.51112.37533.61284.14011.09111.09071.09072.17352.17354.3627
C21.51111.43932.34402.66312.14552.15112.15111.09211.09213.2898
O32.37531.43931.33302.24743.33152.62852.62852.06662.06661.9902
C43.61282.34401.33301.19484.45923.89013.89012.60602.60601.0980
O54.14012.66312.24741.19484.77664.55344.55342.61802.61802.0345
H61.09112.14553.33154.45924.77661.77201.77202.51792.51795.3135
H71.09072.15112.62853.89014.55341.77201.77063.07392.51504.4923
H81.09072.15112.62853.89014.55341.77201.77062.51503.07394.4923
H92.17351.09212.06662.60602.61802.51793.07392.51501.76413.6062
H102.17351.09212.06662.60602.61802.51792.51503.07391.76413.6062
H114.36273.28981.99021.09802.03455.31354.49234.49233.60623.6062

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 107.212 C1 C2 H9 112.220
C1 C2 H10 112.220 C2 C1 H6 110.028
C2 C1 H7 110.497 C2 C1 H8 110.497
C2 O3 C4 115.401 O3 C2 H9 108.674
O3 C2 H10 108.674 O3 C4 O5 125.429
O3 C4 H11 109.532 O5 C4 H11 125.038
H6 C1 H7 108.622 H6 C1 H8 108.622
H7 C1 H8 108.520 H9 C2 H10 107.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 C -0.096      
3 O -0.327      
4 C 0.313      
5 O -0.362      
6 H 0.142      
7 H 0.148      
8 H 0.148      
9 H 0.155      
10 H 0.155      
11 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.867 0.586 0.000 1.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.982 5.033 0.000
y 5.033 -29.341 0.000
z 0.000 0.000 -29.357
Traceless
 xyz
x -3.633 5.033 0.000
y 5.033 1.828 0.000
z 0.000 0.000 1.805
Polar
3z2-r23.609
x2-y2-3.641
xy5.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.075 0.170 0.000
y 0.170 5.765 0.000
z 0.000 0.000 4.462


<r2> (average value of r2) Å2
<r2> 134.398
(<r2>)1/2 11.593