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/6-311G*

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/6-311G*
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/6-311G*
 hartrees
Energy at 0K-615.915983
Energy at 298.15K-615.923067
HF Energy-615.064669
Nuclear repulsion energy201.444694
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/6-311G*
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 3203 3203 17.96      
2 A 3189 3189 3.41      
3 A 3177 3177 24.38      
4 A 3158 3158 6.37      
5 A 3135 3135 16.13      
6 A 3134 3134 20.19      
7 A 3072 3072 21.62      
8 A 1782 1782 7.15      
9 A 1532 1532 15.58      
10 A 1519 1519 3.60      
11 A 1517 1517 10.83      
12 A 1461 1461 4.47      
13 A 1392 1392 18.54      
14 A 1362 1362 3.91      
15 A 1339 1339 19.69      
16 A 1247 1247 2.30      
17 A 1160 1160 0.84      
18 A 1126 1126 2.20      
19 A 1090 1090 0.71      
20 A 996 996 44.08      
21 A 979 979 9.93      
22 A 911 911 1.79      
23 A 816 816 22.27      
24 A 733 733 32.79      
25 A 503 503 1.53      
26 A 365 365 1.78      
27 A 282 282 2.24      
28 A 196 196 1.13      
29 A 158 158 1.69      
30 A 84 84 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 22308.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22308.6 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 MP3=FULL/6-311G*
ABC
0.48752 0.04926 0.04747

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.786 0.828 0.108
C2 0.515 0.180 0.454
C3 1.593 0.239 -0.331
C4 2.920 -0.384 -0.008
Cl5 -2.087 -0.402 -0.102
H6 -1.130 1.492 0.901
H7 -0.716 1.384 -0.826
H8 0.549 -0.357 1.400
H9 1.523 0.772 -1.280
H10 2.891 -0.901 0.954
H11 3.208 -1.108 -0.777
H12 3.709 0.373 0.032

Atom - Atom Distances (Å)
  C1 C2 C3 C4 Cl5 H6 H7 H8 H9 H10 H11 H12
C11.49362.48983.90121.80291.08991.08912.20382.69544.15074.52554.5192
C21.49361.33542.51392.72372.15042.14511.08872.09202.65873.22933.2285
C32.48981.33541.50173.74243.24072.62422.10801.09042.15372.14942.1519
C43.90122.51391.50175.00844.55524.12542.75802.21501.09231.09461.0946
Cl51.80292.72373.74245.00842.34772.36503.03503.97525.11405.38415.8499
H61.08992.15043.24074.55522.34771.77892.54703.50974.67975.32825.0425
H71.08912.14512.62424.12542.36501.77893.09642.36604.62634.64834.6200
H82.20381.08872.10802.75803.03502.54703.09643.06762.44573.51773.5205
H92.69542.09201.09042.21503.97523.50972.36603.06763.10832.57312.5808
H104.15072.65872.15371.09235.11404.67974.62632.44573.10831.77231.7726
H114.52553.22932.14941.09465.38415.32824.64833.51772.57311.77231.7607
H124.51923.22852.15191.09465.84995.04254.62003.52052.58081.77261.7607

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 123.211 C1 C2 H8 116.298
C2 C1 Cl5 111.083 C2 C1 H6 111.729
C2 C1 H7 111.356 C2 C3 C4 124.662
C2 C3 H9 118.827 C3 C2 H8 120.491
C3 C4 H10 111.269 C3 C4 H11 110.788
C3 C4 H12 110.986 C4 C3 H9 116.511
Cl5 C1 H6 105.845 Cl5 C1 H7 107.127
H6 C1 H7 109.453 H10 C4 H11 108.274
H10 C4 H12 108.295 H11 C4 H12 107.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability