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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-157.283875
Energy at 298.15K-157.291575
HF Energy-157.283875
Nuclear repulsion energy117.559642
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 B3LYP/TZVP
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 3145 3036 54.61      
2 A 3116 3008 13.29      
3 A 3021 2916 12.31      
4 A 1731 1671 5.51      
5 A 1499 1447 6.41      
6 A 1424 1375 4.91      
7 A 1300 1255 0.10      
8 A 1027 992 0.75      
9 A 868 838 0.40      
10 A 286 276 0.01      
11 A 3057 2951 0.00      
12 A 1486 1434 0.00      
13 A 1068 1031 0.00      
14 A 1009 974 0.00      
15 A 399 385 0.00      
16 A 133 128 0.00      
17 A 3058 2952 44.16      
18 A 1490 1438 14.44      
19 A 1068 1031 4.59      
20 A 699 675 43.16      
21 A 121 117 1.20      
22 A 3123 3015 15.34      
23 A 3102 2994 5.58      
24 A 3019 2914 45.67      
25 A 1493 1441 4.98      
26 A 1443 1393 10.46      
27 A 1398 1350 1.13      
28 A 1158 1118 0.35      
29 A 980 946 16.36      
30 A 573 553 6.03      

Unscaled Zero Point Vibrational Energy (zpe) 23645.1 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 22827.0 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 B3LYP/TZVP
ABC
0.54679 0.16935 0.13576

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.662
C2 0.000 -0.666 0.662
C3 0.000 1.588 -0.521
C4 0.000 -1.588 -0.521
H5 0.000 1.164 1.629
H6 0.000 -1.164 1.629
H7 0.000 1.058 -1.473
H8 0.000 -1.058 -1.473
H9 -0.877 2.243 -0.502
H10 0.877 2.243 -0.502
H11 0.877 -2.243 -0.502
H12 -0.877 -2.243 -0.502

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33291.49972.54601.08722.06982.17102.74492.14702.14703.25393.2539
C21.33292.54601.49972.06981.08722.74492.17103.25393.25392.14702.1470
C31.49972.54603.17602.19153.49201.08962.81241.09461.09463.92973.9297
C42.54601.49973.17603.49202.19152.81241.08963.92973.92971.09461.0946
H51.08722.06982.19153.49202.32723.10403.81592.54492.54494.11274.1127
H62.06981.08723.49202.19152.32723.81593.10404.11274.11272.54492.5449
H72.17102.74491.08962.81243.10403.81592.11671.76471.76473.55073.5507
H82.74492.17102.81241.08963.81593.10402.11673.55073.55071.76471.7647
H92.14703.25391.09463.92972.54494.11271.76473.55071.75434.81604.4851
H102.14703.25391.09463.92972.54494.11271.76473.55071.75434.48514.8160
H113.25392.14703.92971.09464.11272.54493.55071.76474.81604.48511.7543
H123.25392.14703.92971.09464.11272.54493.55071.76474.48514.81601.7543

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 127.915 C1 C2 H6 117.213
C1 C3 H7 113.000 C1 C3 H9 110.737
C1 C3 H10 110.737 C2 C1 C3 127.915
C2 C1 H5 117.213 C2 C4 H8 113.000
C2 C4 H11 110.737 C2 C4 H12 110.737
C3 C1 H5 114.873 C4 C2 H6 114.873
H7 C3 H9 107.788 H7 C3 H10 107.788
H8 C4 H11 107.788 H8 C4 H12 107.788
H9 C3 H10 106.515 H11 C4 H12 106.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 C -0.109      
3 C -0.367      
4 C -0.367      
5 H 0.115      
6 H 0.115      
7 H 0.115      
8 H 0.115      
9 H 0.123      
10 H 0.123      
11 H 0.123      
12 H 0.123      


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 -0.235 0.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.420 0.000 0.000
y 0.000 -25.422 0.000
z 0.000 0.000 -26.440
Traceless
 xyz
x -2.490 0.000 0.000
y 0.000 2.009 0.000
z 0.000 0.000 0.481
Polar
3z2-r20.962
x2-y2-2.999
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.548 0.000 0.000
y 0.000 9.844 0.000
z 0.000 0.000 6.672


<r2> (average value of r2) Å2
<r2> 99.623
(<r2>)1/2 9.981