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

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-157.048691
Energy at 298.15K-157.056384
HF Energy-157.048691
Nuclear repulsion energy117.532553
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 HSEh1PBE/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3185 3041 53.41      
2 A1 3157 3015 11.54      
3 A1 3051 2913 16.73      
4 A1 1758 1678 7.41      
5 A1 1496 1428 7.85      
6 A1 1418 1354 6.50      
7 A1 1293 1235 0.17      
8 A1 1027 981 0.51      
9 A1 884 844 0.77      
10 A1 286 273 0.01      
11 A2 3107 2966 0.00      
12 A2 1480 1414 0.00      
13 A2 1058 1010 0.00      
14 A2 1006 961 0.00      
15 A2 397 379 0.00      
16 A2 138 132 0.00      
17 B1 3107 2967 34.04      
18 B1 1486 1419 16.21      
19 B1 1062 1014 4.56      
20 B1 697 666 49.31      
21 B1 124 118 1.54      
22 B2 3164 3021 15.75      
23 B2 3146 3004 3.23      
24 B2 3048 2911 42.68      
25 B2 1489 1422 5.46      
26 B2 1442 1377 12.81      
27 B2 1385 1322 1.24      
28 B2 1159 1107 0.37      
29 B2 994 949 18.19      
30 B2 568 542 7.18      

Unscaled Zero Point Vibrational Energy (zpe) 23805.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 22729.7 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 HSEh1PBE/6-31+G**
ABC
0.54491 0.16995 0.13606

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.663
C2 0.000 -0.669 0.663
C3 0.000 1.583 -0.521
C4 0.000 -1.583 -0.521
H5 0.000 1.167 1.633
H6 0.000 -1.167 1.633
H7 0.000 1.046 -1.473
H8 0.000 -1.046 -1.473
H9 -0.879 2.239 -0.507
H10 0.879 2.239 -0.507
H11 0.879 -2.239 -0.507
H12 -0.879 -2.239 -0.507

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33861.49632.54511.09012.07672.16912.73962.14652.14653.25603.2560
C21.33862.54511.49632.07671.09012.73962.16913.25603.25602.14652.1465
C31.49632.54513.16662.19443.49381.09252.79621.09691.09693.92223.9222
C42.54511.49633.16663.49382.19442.79621.09253.92223.92221.09691.0969
H51.09012.07672.19443.49382.33413.10833.81382.55022.55024.11784.1178
H62.07671.09013.49382.19442.33413.81383.10834.11784.11782.55022.5502
H72.16912.73961.09252.79623.10833.81382.09221.76871.76873.53523.5352
H82.73962.16912.79621.09253.81383.10832.09223.53523.53521.76871.7687
H92.14653.25601.09693.92222.55024.11781.76873.53521.75834.81104.4781
H102.14653.25601.09693.92222.55024.11781.76873.53521.75834.47814.8110
H113.25602.14653.92221.09694.11782.55023.53521.76874.81104.47811.7583
H123.25602.14653.92221.09694.11782.55023.53521.76874.47814.81101.7583

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 127.649 C1 C2 H6 117.168
C1 C3 H7 112.900 C1 C3 H9 110.790
C1 C3 H10 110.790 C2 C1 C3 127.649
C2 C1 H5 117.168 C2 C4 H8 112.900
C2 C4 H11 110.790 C2 C4 H12 110.790
C3 C1 H5 115.183 C4 C2 H6 115.183
H7 C3 H9 107.770 H7 C3 H10 107.770
H8 C4 H11 107.770 H8 C4 H12 107.770
H9 C3 H10 106.549 H11 C4 H12 106.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.015      
2 C 0.015      
3 C -0.664      
4 C -0.664      
5 H 0.146      
6 H 0.146      
7 H 0.156      
8 H 0.156      
9 H 0.173      
10 H 0.173      
11 H 0.173      
12 H 0.173      


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 -0.262 0.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.370 0.000 0.000
y 0.000 -24.957 0.000
z 0.000 0.000 -26.205
Traceless
 xyz
x -2.789 0.000 0.000
y 0.000 2.331 0.000
z 0.000 0.000 0.458
Polar
3z2-r20.917
x2-y2-3.413
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.606 0.000 0.000
y 0.000 9.669 0.000
z 0.000 0.000 6.588


<r2> (average value of r2) Å2
<r2> 99.318
(<r2>)1/2 9.966