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

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-156.683932
Energy at 298.15K-156.691681
HF Energy-156.109619
Nuclear repulsion energy115.761334
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3190 2993 0.00      
2 Ag 3176 2980 0.00      
3 Ag 3092 2901 0.00      
4 Ag 1809 1698 0.00      
5 Ag 1555 1459 0.00      
6 Ag 1479 1387 0.00      
7 Ag 1373 1288 0.00      
8 Ag 1208 1134 0.00      
9 Ag 909 853 0.00      
10 Ag 513 481 0.00      
11 Au 3155 2960 47.55      
12 Au 1541 1446 12.56      
13 Au 1109 1041 0.64      
14 Au 1015 953 31.21      
15 Au 249 234 3.16      
16 Au 170 160 0.79      
17 Bg 3155 2960 0.00      
18 Bg 1542 1447 0.00      
19 Bg 1100 1033 0.00      
20 Bg 758 711 0.00      
21 Bg 218 205 0.00      
22 Bu 3195 2998 71.11      
23 Bu 3175 2979 14.21      
24 Bu 3091 2901 51.93      
25 Bu 1560 1464 15.34      
26 Bu 1478 1387 4.68      
27 Bu 1378 1293 2.75      
28 Bu 1122 1053 0.89      
29 Bu 1023 960 11.06      
30 Bu 289 271 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 24313.7 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 22813.6 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/6-31G*
ABC
1.15423 0.12436 0.11715

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.327 0.582 0.000
C2 -0.327 -0.582 0.000
C3 -0.327 1.934 0.000
C4 0.327 -1.934 0.000
H5 1.419 0.579 0.000
H6 -1.419 -0.579 0.000
H7 -1.418 1.842 0.000
H8 1.418 -1.842 0.000
H9 -0.033 2.514 0.882
H10 -0.033 2.514 -0.882
H11 0.033 -2.514 0.882
H12 0.033 -2.514 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33551.50202.51591.09162.09692.15212.65792.15432.15433.23293.2329
C21.33552.51591.50202.09691.09162.65792.15213.23293.23292.15432.1543
C31.50202.51593.92282.21012.73981.09424.15951.09601.09604.54904.5490
C42.51591.50203.92282.73982.21014.15951.09424.54904.54901.09601.0960
H51.09162.09692.21012.73983.06503.10492.42102.57492.57493.50253.5025
H62.09691.09162.73982.21013.06502.42103.10493.50253.50252.57492.5749
H72.15212.65791.09424.15953.10492.42104.64851.77401.77404.67524.6752
H82.65792.15214.15951.09422.42103.10494.64854.67524.67521.77401.7740
H92.15433.23291.09604.54902.57493.50251.77404.67521.76395.02895.3293
H102.15433.23291.09604.54902.57493.50251.77404.67521.76395.32935.0289
H113.23292.15434.54901.09603.50252.57494.67521.77405.02895.32931.7639
H123.23292.15434.54901.09603.50252.57494.67521.77405.32935.02891.7639

picture of 2-Butene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.818 C1 C2 H6 119.191
C1 C3 H7 111.012 C1 C3 H9 111.072
C1 C3 H10 111.072 C2 C1 C3 124.818
C2 C1 H5 119.191 C2 C4 H8 111.012
C2 C4 H11 111.072 C2 C4 H12 111.072
C3 C1 H5 115.991 C4 C2 H6 115.991
H7 C3 H9 108.188 H7 C3 H10 108.188
H8 C4 H11 108.188 H8 C4 H12 108.188
H9 C3 H10 107.157 H11 C4 H12 107.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability