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All results from a given calculation for NH(C2H5)2 (diethylamine)

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-213.157304
Energy at 298.15K-213.170059
HF Energy-212.330355
Nuclear repulsion energy187.517981
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 QCISD/cc-pVDZ
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' 3496 3354 1.11      
2 A' 3154 3026 43.93      
3 A' 3134 3006 68.33      
4 A' 3075 2950 53.01      
5 A' 3055 2931 16.26      
6 A' 2965 2845 162.91      
7 A' 1530 1468 0.38      
8 A' 1500 1439 2.28      
9 A' 1489 1428 10.64      
10 A' 1445 1386 2.18      
11 A' 1398 1341 0.13      
12 A' 1330 1276 5.53      
13 A' 1246 1195 1.00      
14 A' 1177 1129 13.29      
15 A' 1087 1043 6.38      
16 A' 921 884 11.59      
17 A' 834 800 12.70      
18 A' 812 779 46.63      
19 A' 431 413 0.26      
20 A' 269 258 0.78      
21 A' 187 179 0.53      
22 A' 114 110 1.10      
23 A" 3154 3026 11.44      
24 A" 3133 3006 16.06      
25 A" 3071 2946 0.30      
26 A" 3054 2930 34.16      
27 A" 2960 2840 8.20      
28 A" 1523 1461 23.02      
29 A" 1511 1450 6.50      
30 A" 1497 1436 4.59      
31 A" 1483 1423 6.72      
32 A" 1418 1360 11.06      
33 A" 1364 1309 37.04      
34 A" 1288 1236 2.78      
35 A" 1190 1142 34.44      
36 A" 1118 1073 6.16      
37 A" 1077 1033 3.07      
38 A" 960 921 0.51      
39 A" 809 776 0.35      
40 A" 427 409 0.63      
41 A" 268 257 0.72      
42 A" 109 105 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 33029.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 31688.7 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 QCISD/cc-pVDZ
ABC
0.58321 0.06972 0.06573

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.018 -0.292 0.000
C2 0.018 0.521 1.218
C3 0.018 0.521 -1.218
C4 0.018 -0.372 2.460
C5 0.018 -0.372 -2.460
H6 -0.838 -0.857 0.000
H7 -0.840 1.233 1.263
H8 0.936 1.140 1.207
H9 -0.840 1.233 -1.263
H10 0.936 1.140 -1.207
H11 0.072 0.232 3.383
H12 -0.906 -0.981 2.508
H13 0.880 -1.062 2.432
H14 0.072 0.232 -3.383
H15 -0.906 -0.981 -2.508
H16 0.880 -1.062 -2.432

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46451.46452.46122.46121.02552.15872.08602.15872.08603.42422.76002.69263.42422.76002.6926
C21.46452.43641.52943.78492.02821.11641.10762.72082.66652.18522.18422.17264.61114.12224.0708
C31.46452.43643.78491.52942.02822.72082.66651.11641.10764.61114.12224.07082.18522.18422.1726
C42.46121.52943.78494.91982.64932.17852.16744.14464.07171.10481.10691.10415.87485.08975.0149
C52.46123.78491.52944.91982.64934.14464.07172.17852.16745.87485.08975.01491.10481.10691.1041
H61.02552.02822.02822.64932.64932.44222.93122.44222.93123.66882.51222.98483.66882.51222.9848
H72.15871.11642.72082.17854.14462.44221.77972.52693.04462.51592.54083.09714.84044.37404.6779
H82.08601.10762.66652.16744.07172.93121.77973.04462.41502.51133.09512.51974.75914.65774.2539
H92.15872.72081.11644.14462.17852.44222.52693.04461.77974.84044.37404.67792.51592.54083.0971
H102.08602.66651.10764.07172.16742.93123.04462.41501.77974.75914.65774.25392.51133.09512.5197
H113.42422.18524.61111.10485.87483.66882.51592.51134.84044.75911.78631.79756.76706.09406.0122
H122.76002.18424.12221.10695.08972.51222.54083.09514.37404.65771.78631.78886.09405.01645.2536
H132.69262.17264.07081.10415.01492.98483.09712.51974.67794.25391.79751.78886.01225.25364.8642
H143.42424.61112.18525.87481.10483.66884.84044.75912.51592.51136.76706.09406.01221.78631.7975
H152.76004.12222.18425.08971.10692.51224.37404.65772.54083.09516.09405.01645.25361.78631.7888
H162.69264.07082.17265.01491.10412.98484.67794.25393.09712.51976.01225.25364.86421.79751.7888

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.569 N1 C2 H7 112.838
N1 C2 H8 107.586 N1 C3 C5 110.569
N1 C3 H9 112.838 N1 C3 H10 107.586
C2 N1 C3 112.575 C2 N1 H6 107.783
C2 C4 H11 111.076 C2 C4 H12 110.874
C2 C4 H13 110.130 C3 N1 H6 107.783
C3 C5 H14 111.076 C3 C5 H15 110.874
C3 C5 H16 110.130 C4 C2 H7 109.868
C4 C2 H8 109.519 C5 C3 H8 150.935
C5 C3 H10 109.519 H7 C2 H8 106.308
H9 C3 H10 106.308 H11 C4 H12 107.737
H11 C4 H13 108.924 H12 C4 H13 108.005
H14 C5 H15 107.737 H14 C5 H16 108.924
H15 C5 H16 108.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability