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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/TZVP
 hartrees
Energy at 0K-268.485744
Energy at 298.15K-268.492915
HF Energy-268.485744
Nuclear repulsion energy177.222217
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 B3LYPultrafine/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' 3110 2996 22.79      
2 A' 3057 2945 11.07      
3 A' 3044 2932 13.75      
4 A' 3037 2926 62.12      
5 A' 1792 1726 334.00      
6 A' 1521 1465 8.39      
7 A' 1502 1447 3.04      
8 A' 1432 1380 14.29      
9 A' 1409 1357 1.65      
10 A' 1401 1349 3.15      
11 A' 1201 1157 416.30      
12 A' 1135 1093 10.71      
13 A' 1024 987 22.11      
14 A' 853 822 16.47      
15 A' 787 758 0.53      
16 A' 381 367 5.36      
17 A' 225 216 7.41      
18 A" 3122 3008 36.61      
19 A" 3093 2980 3.24      
20 A" 1490 1435 6.98      
21 A" 1302 1255 1.18      
22 A" 1181 1138 4.46      
23 A" 1038 1000 0.03      
24 A" 817 787 0.57      
25 A" 347 334 23.07      
26 A" 238 230 2.43      
27 A" 60 58 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 19798.6 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 19074.0 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 B3LYPultrafine/TZVP
ABC
0.60341 0.09532 0.08493

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.186 -0.285 0.000
C2 -0.703 -0.580 0.000
O3 0.000 0.691 0.000
C4 1.338 0.638 0.000
O5 2.006 -0.360 0.000
H6 -2.746 -1.223 0.000
H7 -2.472 0.284 0.885
H8 -2.472 0.284 -0.885
H9 -0.397 -1.146 -0.882
H10 -0.397 -1.146 0.882
H11 1.739 1.660 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.51202.39413.64264.19261.09191.09091.09092.17212.17214.3806
C21.51201.45322.37682.71802.14152.15882.15881.09121.09123.3142
O32.39411.45321.33892.26513.34722.65692.65692.07612.07611.9907
C43.64262.37681.33891.20124.48763.92703.92702.63982.63981.0981
O54.19262.71802.26511.20124.82964.60984.60982.67762.67762.0379
H61.09192.14153.34724.48764.82961.76921.76922.51012.51015.3315
H71.09092.15882.65693.92704.60981.76921.77053.07772.51994.5175
H81.09092.15882.65693.92704.60981.76921.77052.51993.07774.5175
H92.17211.09122.07612.63982.67762.51013.07772.51991.76373.6350
H102.17211.09122.07612.63982.67762.51012.51993.07771.76373.6350
H114.38063.31421.99071.09812.03795.33154.51754.51753.63503.6350

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 107.672 C1 C2 H9 112.094
C1 C2 H10 112.094 C2 C1 H6 109.600
C2 C1 H7 111.040 C2 C1 H8 111.040
C2 O3 C4 116.639 O3 C2 H9 108.526
O3 C2 H10 108.526 O3 C4 O5 126.093
O3 C4 H11 109.146 O5 C4 H11 124.762
H6 C1 H7 108.293 H6 C1 H8 108.293
H7 C1 H8 108.489 H9 C2 H10 107.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.316      
2 C -0.092      
3 O -0.211      
4 C 0.228      
5 O -0.328      
6 H 0.117      
7 H 0.123      
8 H 0.123      
9 H 0.132      
10 H 0.132      
11 H 0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.147 0.495 0.000 2.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.819 5.067 0.000
y 5.067 -29.776 0.000
z 0.000 0.000 -29.614
Traceless
 xyz
x -4.124 5.067 0.000
y 5.067 1.940 0.000
z 0.000 0.000 2.184
Polar
3z2-r24.367
x2-y2-4.043
xy5.067
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.794 0.175 0.000
y 0.175 6.351 0.000
z 0.000 0.000 4.973


<r2> (average value of r2) Å2
<r2> 137.046
(<r2>)1/2 11.707