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All results from a given calculation for CH3NHCH3 (Dimethylamine)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-134.480894
Energy at 298.15K-134.488947
HF Energy-134.196747
Nuclear repulsion energy82.378379
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 MP2/LANL2DZ
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' 3540 3409 0.46      
2 A' 3142 3026 56.64      
3 A' 3081 2968 83.82      
4 A' 2955 2846 149.90      
5 A' 1558 1501 2.66      
6 A' 1531 1475 14.78      
7 A' 1499 1443 1.98      
8 A' 1283 1235 1.24      
9 A' 1194 1150 3.32      
10 A' 921 887 1.48      
11 A' 709 683 163.23      
12 A' 375 361 12.82      
13 A' 248 239 3.94      
14 A" 3140 3024 25.13      
15 A" 3082 2968 25.12      
16 A" 2953 2844 63.77      
17 A" 1552 1494 11.20      
18 A" 1523 1467 3.08      
19 A" 1511 1455 8.13      
20 A" 1478 1424 0.00      
21 A" 1172 1128 28.60      
22 A" 1114 1073 0.16      
23 A" 1040 1002 11.57      
24 A" 211 203 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 20404.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 19651.4 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 MP2/LANL2DZ
ABC
1.12420 0.29447 0.25988

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.024 0.584 0.000
H2 -0.720 1.288 0.000
C3 0.024 -0.230 1.252
C4 0.024 -0.230 -1.252
H5 -0.834 -0.937 1.326
H6 -0.834 -0.937 -1.326
H7 0.958 -0.817 1.290
H8 0.958 -0.817 -1.290
H9 0.004 0.447 2.121
H10 0.004 0.447 -2.121

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8 H9 H10
N11.02441.49321.49322.19302.19302.12102.12102.12582.1258
H21.02442.10372.10372.59312.59312.98502.98502.39392.3939
C31.49322.10372.50301.11432.80701.10342.77051.10263.4402
C41.49322.10372.50302.80701.11432.77051.10343.44021.1026
H52.19302.59311.11432.80702.65171.79643.17321.80303.8080
H62.19302.59312.80701.11432.65173.17321.79643.80801.8030
H72.12102.98501.10342.77051.79643.17322.58011.78863.7611
H82.12102.98502.77051.10343.17321.79642.58013.76111.7886
H92.12582.39391.10263.44021.80303.80801.78863.76114.2426
H102.12582.39393.44021.10263.80801.80303.76111.78864.2426

picture of Dimethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 H5 113.706 N1 C3 H7 108.608
N1 C3 H9 109.030 N1 C4 H6 113.706
N1 C4 H8 108.608 N1 C4 H10 109.030
H2 N1 C3 112.015 H2 N1 C4 112.015
C3 N1 C4 113.890 H5 C3 H7 108.194
H5 C3 H9 108.834 H6 C4 H8 108.194
H6 C4 H10 108.834 H7 C3 H9 108.342
H8 C4 H10 108.342
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability