return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H5Cl (1-chloro-1-propene(E))

using model chemistry: MP2=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-573.464781
Energy at 298.15K-573.469530
HF Energy-573.137009
Nuclear repulsion energy137.966930
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 MP2=FULL/3-21G
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' 3277 3129 3.90      
2 A' 3214 3069 2.65      
3 A' 3157 3015 12.40      
4 A' 3082 2943 14.25      
5 A' 1694 1617 22.55      
6 A' 1590 1519 11.03      
7 A' 1496 1428 2.44      
8 A' 1376 1314 0.72      
9 A' 1302 1243 30.59      
10 A' 1125 1074 5.98      
11 A' 967 924 10.75      
12 A' 745 711 33.98      
13 A' 403 385 6.64      
14 A' 254 243 0.64      
15 A" 3149 3006 13.21      
16 A" 1585 1513 8.01      
17 A" 1136 1084 0.04      
18 A" 996 951 68.80      
19 A" 794 758 1.20      
20 A" 229 219 0.26      
21 A" 187 179 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 15878.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 15161.2 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 MP2=FULL/3-21G
ABC
1.34304 0.07689 0.07374

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 0.996 -0.398 0.000
C3 2.461 0.010 0.000
Cl4 -1.771 -0.059 0.000
H5 0.097 1.561 0.000
H6 0.773 -1.462 0.000
H7 2.560 1.100 0.000
H8 2.968 -0.386 0.887
H9 2.968 -0.386 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9
C11.33092.50641.85251.08102.09462.63323.21763.2176
C21.33091.52112.78752.15581.08662.16662.16252.1625
C32.50641.52114.23262.82752.23941.09511.09561.0956
Cl41.85252.78754.23262.47292.90544.48374.83234.8323
H51.08102.15582.82752.47293.09792.50573.58033.5803
H62.09461.08662.23942.90543.09793.12402.60032.6003
H72.63322.16661.09514.48372.50573.12401.77821.7782
H83.21762.16251.09564.83233.58032.60031.77821.7743
H93.21762.16251.09564.83233.58032.60031.77821.7743

picture of 1-chloro-1-propene(E) state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 122.865 C1 C2 H6 119.748
C2 C1 Cl4 121.369 C2 C1 H5 126.407
C2 C3 H7 110.763 C2 C3 H8 110.408
C2 C3 H9 110.408 C3 C2 H6 117.387
Cl4 C1 H5 112.224 H7 C3 H8 108.526
H7 C3 H9 108.526 H8 C3 H9 108.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability