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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-2688.129366
Energy at 298.15K-2688.139834
HF Energy-2687.573550
Nuclear repulsion energy235.153979
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/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 A' 3150 2974 27.83      
2 A' 3131 2957 14.39      
3 A' 3087 2915 9.64      
4 A' 3068 2897 21.94      
5 A' 1559 1473 5.29      
6 A' 1545 1459 1.39      
7 A' 1538 1452 2.04      
8 A' 1467 1386 1.87      
9 A' 1415 1336 6.41      
10 A' 1288 1217 41.18      
11 A' 1150 1086 1.62      
12 A' 1079 1019 1.07      
13 A' 932 880 6.99      
14 A' 672 634 20.55      
15 A' 316 299 1.70      
16 A' 221 208 1.46      
17 A" 3197 3019 10.99      
18 A" 3145 2970 36.86      
19 A" 3123 2949 0.05      
20 A" 1550 1463 7.95      
21 A" 1354 1279 0.01      
22 A" 1281 1210 0.37      
23 A" 1088 1027 2.00      
24 A" 878 829 0.00      
25 A" 760 717 3.48      
26 A" 244 230 0.03      
27 A" 116 110 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 21176.2 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 19996.7 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 CCSD/6-31G*
ABC
0.83870 0.05409 0.05231

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.848 0.000
C2 1.510 0.666 0.000
C3 2.228 2.019 0.000
Br4 -0.931 -0.892 0.000
H5 -0.353 1.372 0.892
H6 -0.353 1.372 -0.892
H7 1.801 0.081 0.881
H8 1.801 0.081 -0.881
H9 3.316 1.880 0.000
H10 1.965 2.608 -0.888
H11 1.965 2.608 0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52092.51721.97311.09241.09242.14692.14693.47232.78302.7830
C21.52091.53172.89552.18232.18231.09711.09712.17552.18302.1830
C32.51721.53174.29552.80642.80642.17172.17171.09621.09741.0974
Br41.97312.89554.29552.50022.50023.03043.03045.07064.62814.6281
H51.09242.18232.80642.50021.78352.51113.07373.80923.17272.6267
H61.09242.18232.80642.50021.78353.07372.51113.80922.62673.1727
H72.14691.09712.17173.03042.51113.07371.76172.51133.08912.5329
H82.14691.09712.17173.03043.07372.51111.76172.51132.53293.0891
H93.47232.17551.09625.07063.80923.80922.51132.51131.77291.7729
H102.78302.18301.09744.62813.17272.62673.08912.53291.77291.7752
H112.78302.18301.09744.62812.62673.17272.53293.08911.77291.7752

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.093 C1 C2 H7 109.103
C1 C2 H8 109.103 C2 C1 Br4 111.272
C2 C1 H5 112.201 C2 C1 H6 112.201
C2 C3 H9 110.663 C2 C3 H10 111.190
C2 C3 H11 111.190 C3 C2 H7 110.311
C3 C2 H8 110.311 Br4 C1 H5 105.669
Br4 C1 H6 105.669 H5 C1 H6 109.429
H7 C2 H8 106.810 H9 C3 H10 107.843
H9 C3 H11 107.843 H10 C3 H11 107.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability