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

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-2677.446822
Energy at 298.15K-2677.457302
HF Energy-2677.090691
Nuclear repulsion energy231.845362
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 CCD/3-21G
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' 3108 3022 31.67      
2 A' 3104 3018 10.77      
3 A' 3061 2976 7.31      
4 A' 3036 2952 17.78      
5 A' 1585 1541 6.96      
6 A' 1574 1530 2.08      
7 A' 1550 1507 3.40      
8 A' 1482 1441 6.48      
9 A' 1414 1375 3.89      
10 A' 1314 1277 32.51      
11 A' 1137 1106 4.28      
12 A' 1019 991 2.83      
13 A' 907 882 6.25      
14 A' 672 653 11.96      
15 A' 311 302 0.89      
16 A' 215 209 1.12      
17 A" 3168 3080 14.64      
18 A" 3110 3024 31.10      
19 A" 3088 3002 1.34      
20 A" 1582 1538 8.01      
21 A" 1379 1341 0.00      
22 A" 1301 1265 0.13      
23 A" 1103 1072 2.05      
24 A" 885 860 0.01      
25 A" 763 742 5.57      
26 A" 247 240 0.04      
27 A" 117 114 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 21114.9 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 20530.0 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 CCD/3-21G
ABC
0.82781 0.05242 0.05072

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.861 0.000
C2 1.529 0.701 0.000
C3 2.215 2.096 0.000
Br4 -0.931 -0.923 0.000
H5 -0.347 1.385 0.895
H6 -0.347 1.385 -0.895
H7 1.835 0.130 0.887
H8 1.835 0.130 -0.887
H9 3.309 1.988 0.000
H10 1.924 2.669 -0.892
H11 1.924 2.669 0.892

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.53692.53622.01291.09331.09332.16552.16553.49522.78642.7864
C21.53691.55462.94782.18752.18751.09861.09862.19642.19622.1962
C32.53621.55464.36082.80552.80552.18982.18981.09871.09941.0994
Br42.01292.94784.36082.54372.54373.09033.09035.14304.67454.6745
H51.09332.18752.80552.54371.78982.51713.08393.81143.16162.6084
H61.09332.18752.80552.54371.78983.08392.51713.81142.60843.1616
H72.16551.09862.18983.09032.51713.08391.77382.53153.10112.5405
H82.16551.09862.18983.09033.08392.51711.77382.53152.54053.1011
H93.49522.19641.09875.14303.81143.81142.53152.53151.78251.7825
H102.78642.19621.09944.67453.16162.60843.10112.54051.78251.7832
H112.78642.19621.09944.67452.60843.16162.54053.10111.78251.7832

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 110.243 C1 C2 H7 109.379
C1 C2 H8 109.379 C2 C1 Br4 111.580
C2 C1 H5 111.426 C2 C1 H6 111.426
C2 C3 H9 110.572 C2 C3 H10 110.521
C2 C3 H11 110.521 C3 C2 H7 110.061
C3 C2 H8 110.061 Br4 C1 H5 106.139
Br4 C1 H6 106.139 H5 C1 H6 109.870
H7 C2 H8 107.673 H9 C3 H10 108.381
H9 C3 H11 108.381 H10 C3 H11 108.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability