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All results from a given calculation for CH2CClCH2CH3 (1-Butene, 2-chloro-)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-615.656197
Energy at 298.15K-615.663557
HF Energy-615.007739
Nuclear repulsion energy212.540565
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 MP2/6-31G*
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' 3336 3145 1.58      
2 A' 3239 3055 0.14      
3 A' 3204 3022 18.06      
4 A' 3114 2937 15.34      
5 A' 3102 2925 9.66      
6 A' 1723 1625 28.30      
7 A' 1573 1484 4.91      
8 A' 1544 1456 6.46      
9 A' 1477 1393 2.99      
10 A' 1461 1378 3.44      
11 A' 1420 1340 8.17      
12 A' 1193 1125 58.72      
13 A' 1114 1051 1.93      
14 A' 1055 995 3.14      
15 A' 905 854 7.69      
16 A' 708 668 23.75      
17 A' 437 412 1.10      
18 A' 372 351 2.44      
19 A' 263 248 0.38      
20 A" 3207 3025 20.78      
21 A" 3146 2967 6.24      
22 A" 1562 1473 7.65      
23 A" 1331 1255 0.28      
24 A" 1154 1089 0.97      
25 A" 885 835 49.98      
26 A" 833 786 0.99      
27 A" 716 675 0.06      
28 A" 441 416 4.58      
29 A" 283 267 0.02      
30 A" 98 92 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 22448.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 21169.3 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 MP2/6-31G*
ABC
0.26942 0.07941 0.06276

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.116 -1.092 0.000
H2 2.473 -2.125 0.000
H3 2.518 -0.595 0.887
H4 2.518 -0.595 -0.887
C5 0.593 -1.073 0.000
H6 0.209 -1.611 -0.875
H7 0.209 -1.611 0.875
C8 0.645 1.472 0.000
H9 1.729 1.498 0.000
C10 0.000 0.303 0.000
Cl11 -1.759 0.292 0.000
H12 0.118 2.418 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 C10 Cl11 H12
C11.09291.09301.09301.52342.16152.16152.95642.61902.53474.11434.0394
H21.09291.76891.76892.15432.48092.48094.03523.69883.46584.87305.1176
H31.09301.76891.77302.17293.07702.52272.92722.40642.81674.45673.9534
H41.09301.76891.77302.17292.52273.07702.92722.40642.81674.45673.9534
C51.52342.15432.17292.17291.09651.09652.54632.81101.49872.71883.5237
H62.16152.48093.07702.52271.09651.75053.23473.56942.11512.87374.1242
H72.16152.48092.52273.07701.09651.75053.23473.56942.11512.87374.1242
C82.95644.03522.92722.92722.54633.23473.23471.08371.33542.67791.0830
H92.61903.69882.40642.40642.81103.56943.56941.08372.10133.68971.8553
C102.53473.46582.81672.81671.49872.11512.11511.33542.10131.75852.1183
Cl114.11434.87304.45674.45672.71882.87372.87372.67793.68971.75852.8355
H124.03945.11763.95343.95343.52374.12424.12421.08301.85532.11832.8355

picture of 1-Butene, 2-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.111 C1 C5 H7 110.111
C1 C5 C10 114.005 H2 C1 H3 108.045
H2 C1 H4 108.045 H2 C1 C5 109.761
H3 C1 H4 108.405 H3 C1 C5 111.236
H4 C1 C5 111.236 C5 C10 C8 127.816
C5 C10 Cl11 112.930 H6 C5 H7 105.917
H6 C5 C10 108.177 H7 C5 C10 108.177
C8 C10 Cl11 119.254 H9 C8 C10 120.241
H9 C8 H12 117.803 C10 C8 H12 121.956
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability