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All results from a given calculation for CH3CHCHCH3 (2-Butene, (Z)-)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-157.135937
Energy at 298.15K-157.143421
Nuclear repulsion energy116.220982
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 BLYP/aug-cc-pVDZ
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 3069 3063 55.26      
2 A 3037 3031 14.63      
3 A 2941 2935 15.57      
4 A 1663 1659 6.86      
5 A 1427 1424 3.74      
6 A 1353 1351 3.11      
7 A 1255 1252 0.00      
8 A 984 982 0.78      
9 A 840 839 0.46      
10 A 270 269 0.00      
11 A 2978 2972 0.00      
12 A 1408 1406 0.00      
13 A 1009 1007 0.00      
14 A 954 952 0.00      
15 A 381 380 0.00      
16 A 100 99 0.00      
17 A 2978 2973 44.19      
18 A 1416 1413 10.33      
19 A 1018 1016 4.79      
20 A 659 658 37.12      
21 A 111 111 0.97      
22 A 3048 3042 16.94      
23 A 3025 3019 6.58      
24 A 2938 2932 52.73      
25 A 1423 1421 2.57      
26 A 1383 1380 13.10      
27 A 1330 1328 1.19      
28 A 1109 1107 0.10      
29 A 950 948 16.86      
30 A 555 554 5.63      

Unscaled Zero Point Vibrational Energy (zpe) 22804.5 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 22761.2 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 BLYP/aug-cc-pVDZ
ABC
0.53606 0.16545 0.13275

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.676 0.668
C2 0.000 -0.676 0.668
C3 0.000 1.606 -0.526
C4 0.000 -1.606 -0.526
H5 0.000 1.178 1.649
H6 0.000 -1.178 1.649
H7 0.000 1.068 -1.490
H8 0.000 -1.068 -1.490
H9 -0.888 2.270 -0.507
H10 0.888 2.270 -0.507
H11 0.888 -2.270 -0.507
H12 -0.888 -2.270 -0.507

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.35231.51272.57511.10172.09772.19302.77472.16972.16973.29343.2934
C21.35232.57511.51272.09771.10172.77472.19303.29343.29342.16972.1697
C31.51272.57513.21132.21573.53221.10372.84261.10881.10883.97593.9759
C42.57511.51273.21133.53222.21572.84261.10373.97593.97591.10881.1088
H51.10172.09772.21573.53222.35633.14023.85952.57392.57394.16194.1619
H62.09771.10173.53222.21572.35633.85953.14024.16194.16192.57392.5739
H72.19302.77471.10372.84263.14023.85952.13691.78811.78813.59143.5914
H82.77472.19302.84261.10373.85953.14022.13693.59143.59141.78811.7881
H92.16973.29341.10883.97592.57394.16191.78813.59141.77554.87444.5395
H102.16973.29341.10883.97592.57394.16191.78813.59141.77554.53954.8744
H113.29342.16973.97591.10884.16192.57393.59141.78814.87444.53951.7755
H123.29342.16973.97591.10884.16192.57393.59141.78814.53954.87441.7755

picture of 2-Butene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.913 C1 C2 H6 117.108
C1 C3 H7 112.960 C1 C3 H9 110.772
C1 C3 H10 110.772 C2 C1 C3 127.913
C2 C1 H5 117.108 C2 C4 H8 112.960
C2 C4 H11 110.772 C2 C4 H12 110.772
C3 C1 H5 114.979 C4 C2 H6 114.979
H7 C3 H9 107.837 H7 C3 H10 107.837
H8 C4 H11 107.837 H8 C4 H12 107.837
H9 C3 H10 106.381 H11 C4 H12 106.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.056      
2 C 1.056      
3 C 0.674      
4 C 0.674      
5 H -0.819      
6 H -0.819      
7 H -0.490      
8 H -0.490      
9 H -0.211      
10 H -0.211      
11 H -0.211      
12 H -0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.272 0.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.678 0.000 0.000
y 0.000 -25.966 0.000
z 0.000 0.000 -27.065
Traceless
 xyz
x -2.162 0.000 0.000
y 0.000 1.905 0.000
z 0.000 0.000 0.257
Polar
3z2-r20.514
x2-y2-2.711
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.512 0.000 0.000
y 0.000 10.820 0.000
z 0.000 0.000 7.817


<r2> (average value of r2) Å2
<r2> 101.823
(<r2>)1/2 10.091