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-Propene, 3-chloro-)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-573.646316
Energy at 298.15K-573.651358
HF Energy-573.243685
Nuclear repulsion energy142.058812
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 MP2/3-21G*
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 3266 3107 11.21      
2 A 3207 3051 4.62      
3 A 3192 3037 1.76      
4 A 3175 3021 4.52      
5 A 3132 2980 10.55      
6 A 1691 1609 1.22      
7 A 1571 1494 5.76      
8 A 1532 1458 4.67      
9 A 1379 1312 0.17      
10 A 1355 1289 29.63      
11 A 1282 1219 0.55      
12 A 1160 1103 1.46      
13 A 1046 995 20.32      
14 A 978 931 42.87      
15 A 948 902 9.65      
16 A 942 896 2.57      
17 A 757 720 56.14      
18 A 603 573 8.20      
19 A 418 398 1.09      
20 A 295 281 4.65      
21 A 101 96 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 16015.6 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 15235.6 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 MP2/3-21G*
ABC
0.69866 0.09164 0.08872

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.235 -0.209 -0.307
C2 1.138 -0.119 0.460
C3 -0.036 0.763 0.120
Cl4 -1.549 -0.247 -0.109
H5 2.330 0.344 -1.238
H6 3.074 -0.839 -0.030
H7 1.052 -0.689 1.382
H8 -0.267 1.467 0.921
H9 0.129 1.302 -0.815

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9
C11.34182.50743.78981.08721.08512.11703.25192.6410
C21.34181.50742.74962.12582.12281.08722.16762.1589
C32.50741.50741.83342.76013.50182.21041.09091.0917
Cl43.78982.74961.83344.08314.66143.03082.37542.3906
H51.08722.12582.76014.08311.84803.09253.55862.4367
H61.08512.12283.50184.66141.84802.47004.16883.7243
H72.11701.08722.21043.03083.09252.47002.56843.1049
H83.25192.16761.09092.37543.55864.16882.56841.7886
H92.64102.15891.09172.39062.43673.72433.10491.7886

picture of 1-Propene, 3-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.186 C1 C2 H7 120.918
C2 C1 H5 121.771 C2 C1 H6 121.660
C2 C3 Cl4 110.403 C2 C3 H8 112.079
C2 C3 H9 111.324 C3 C2 H7 115.895
Cl4 C3 H8 105.828 Cl4 C3 H9 106.872
H5 C1 H6 116.569 H8 C3 H9 110.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability