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 CH2ClCHCHCH3 (2-Butene, 1-chloro-)

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at MP3=FULL/6-31G**
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-615.789206
Energy at 298.15K-615.796322
HF Energy-615.022756
Nuclear repulsion energy201.724570
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 MP3=FULL/6-31G**
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 3266 18.88      
2 A 3251 3251 3.04      
3 A 3243 3243 26.57      
4 A 3226 3226 5.95      
5 A 3204 3204 20.10      
6 A 3189 3189 18.41      
7 A 3133 3133 22.87      
8 A 1810 1810 5.69      
9 A 1561 1561 8.69      
10 A 1548 1548 2.41      
11 A 1547 1547 5.53      
12 A 1481 1481 2.31      
13 A 1402 1402 13.85      
14 A 1376 1376 2.91      
15 A 1348 1348 34.90      
16 A 1255 1255 1.28      
17 A 1169 1169 0.52      
18 A 1135 1135 2.05      
19 A 1105 1105 1.23      
20 A 1025 1025 29.94      
21 A 987 987 6.63      
22 A 919 919 1.81      
23 A 822 822 21.29      
24 A 739 739 30.27      
25 A 503 503 1.44      
26 A 366 366 1.82      
27 A 281 281 1.87      
28 A 203 203 0.90      
29 A 160 160 1.71      
30 A 85 85 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 22670.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22670.1 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 MP3=FULL/6-31G**
ABC
0.49788 0.04912 0.04738

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.780 0.816 0.122
C2 0.517 0.159 0.452
C3 1.597 0.247 -0.326
C4 2.922 -0.381 -0.014
Cl5 -2.094 -0.393 -0.108
H6 -1.113 1.471 0.920
H7 -0.707 1.387 -0.797
H8 0.552 -0.405 1.375
H9 1.533 0.807 -1.252
H10 2.884 -0.924 0.927
H11 3.214 -1.077 -0.799
H12 3.704 0.373 0.056

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.49142.48523.89271.80021.08521.08452.19882.68984.13544.51464.5068
C21.49141.33362.50752.72742.14492.13741.08232.08622.64553.21883.2185
C32.48521.33361.49843.75333.22462.61412.10031.08412.14382.14252.1449
C43.89272.50751.49845.01694.53674.11192.74702.20761.08691.08901.0891
Cl51.80022.72743.75335.01692.34352.35963.03353.98795.11275.39665.8514
H61.08522.14493.22464.53672.34351.76682.54883.48694.65975.30765.0162
H71.08452.13742.61414.11192.35961.76683.08462.35794.60554.63114.6064
H82.19881.08232.10032.74703.03352.54883.08463.05472.43113.50203.5047
H92.68982.08621.08412.20763.98793.48692.35793.05473.09352.56572.5722
H104.13542.64552.14381.08695.11274.65974.60552.43113.09351.76381.7640
H114.51463.21882.14251.08905.39665.30764.63113.50202.56571.76381.7533
H124.50683.21852.14491.08915.85145.01624.60643.50472.57221.76401.7533

picture of 2-Butene, 1-chloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.121 C1 C2 H8 116.467
C2 C1 Cl5 111.565 C2 C1 H6 111.735
C2 C1 H7 111.166 C2 C3 C4 124.510
C2 C3 H9 118.925 C3 C2 H8 120.411
C3 C4 H10 111.043 C3 C4 H11 110.808
C3 C4 H12 111.000 C4 C3 H9 116.564
Cl5 C1 H6 105.948 Cl5 C1 H7 107.145
H6 C1 H7 109.037 H10 C4 H11 108.310
H10 C4 H12 108.323 H11 C4 H12 107.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability