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All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: CCSD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-156.921809
Energy at 298.15K-156.929752
HF Energy-156.163501
Nuclear repulsion energy117.096996
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 CCSD(T)/cc-pVTZ
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 3230 3148        
2 A 3144 3065        
3 A 3131 3052        
4 A 3114 3035        
5 A 3107 3029        
6 A 3069 2992        
7 A 3034 2957        
8 A 3027 2951        
9 A 1693 1650        
10 A 1512 1474        
11 A 1505 1467        
12 A 1488 1451        
13 A 1458 1421        
14 A 1410 1374        
15 A 1347 1313        
16 A 1314 1281        
17 A 1294 1261        
18 A 1202 1172        
19 A 1096 1068        
20 A 1041 1015        
21 A 1015 989        
22 A 983 959        
23 A 926 903        
24 A 864 842        
25 A 792 772        
26 A 647 630        
27 A 428 417        
28 A 313 305        
29 A 231 225        
30 A 106 104        

Unscaled Zero Point Vibrational Energy (zpe) 23758.7 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 23160.0 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 CCSD(T)/cc-pVTZ
ABC
0.75165 0.13867 0.13540

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.719 -0.248 -0.296
C2 0.540 0.525 0.308
C3 -0.715 -0.300 0.344
C4 -1.856 0.019 -0.280
H5 -0.666 -1.226 0.913
H6 1.503 -0.536 -1.327
H7 2.630 0.354 -0.291
H8 1.916 -1.161 0.272
H9 0.799 0.834 1.327
H10 0.357 1.439 -0.264
H11 -1.939 0.933 -0.859
H12 -2.729 -0.619 -0.228

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53322.51743.58452.84701.09201.09181.09302.15612.16803.88484.4634
C21.53321.50312.51872.21092.17392.18012.17631.09551.09372.77073.5049
C32.51741.50311.33831.08812.78693.46702.76972.13202.13142.11262.1169
C43.58452.51871.33832.09493.56144.49773.99043.20842.62891.08471.0829
H52.84702.21091.08812.09493.19303.84822.66142.56123.08763.06912.4335
H61.09202.17392.78693.56143.19301.77051.76503.06822.51853.77174.3726
H71.09182.18013.46704.49773.84821.77051.76692.48982.51824.64015.4462
H81.09302.17632.76973.99042.66141.76501.76692.51773.07844.53044.7027
H92.15611.09552.13203.20842.56123.06822.48982.51771.75913.50514.1198
H102.16801.09372.13142.62893.08762.51852.51823.07841.75912.42533.7092
H113.88482.77072.11261.08473.06913.77174.64014.53043.50512.42531.8523
H124.46343.50492.11691.08292.43354.37265.44624.70274.11983.70921.8523

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.006 C1 C2 H9 109.079
C1 C2 H10 110.115 C2 C1 H6 110.678
C2 C1 H7 111.185 C2 C1 H8 110.816
C2 C3 C4 124.750 C2 C3 H5 116.210
C3 C2 H9 109.253 C3 C2 H10 109.311
C3 C4 H11 121.005 C3 C4 H12 121.573
C4 C3 H5 119.034 H6 C1 H7 108.333
H6 C1 H8 107.762 H7 C1 H8 107.940
H9 C2 H10 106.942 H11 C4 H12 117.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability