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

using model chemistry: CCSD(T)/TZVP

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(T)/TZVP
 hartrees
Energy at 0K-213.274931
Energy at 298.15K-213.287598
HF Energy-212.386798
Nuclear repulsion energy188.226793
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)/TZVP
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' 3497 3366        
2 A' 3134 3017        
3 A' 3114 2997        
4 A' 3065 2950        
5 A' 3042 2928        
6 A' 2953 2843        
7 A' 1542 1484        
8 A' 1515 1458        
9 A' 1502 1445        
10 A' 1451 1396        
11 A' 1414 1361        
12 A' 1331 1281        
13 A' 1250 1203        
14 A' 1180 1135        
15 A' 1070 1030        
16 A' 916 882        
17 A' 836 805        
18 A' 800 770        
19 A' 426 410        
20 A' 252 243        
21 A' 185 178        
22 A' 109 105        
23 A" 3134 3016        
24 A" 3114 2997        
25 A" 3062 2947        
26 A" 3042 2928        
27 A" 2950 2839        
28 A" 1529 1472        
29 A" 1515 1459        
30 A" 1510 1453        
31 A" 1490 1434        
32 A" 1429 1376        
33 A" 1370 1319        
34 A" 1291 1243        
35 A" 1168 1124        
36 A" 1124 1082        
37 A" 1074 1034        
38 A" 949 913        
39 A" 816 785        
40 A" 426 410        
41 A" 253 244        
42 A" 92 88        

Unscaled Zero Point Vibrational Energy (zpe) 32959.6 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 31723.7 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(T)/TZVP
ABC
0.59272 0.06987 0.06591

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.018 -0.292 0.000
C2 0.018 0.518 1.218
C3 0.018 0.518 -1.218
C4 0.018 -0.368 2.459
C5 0.018 -0.368 -2.459
H6 -0.814 -0.880 0.000
H7 -0.839 1.215 1.256
H8 0.927 1.130 1.203
H9 -0.839 1.215 -1.256
H10 0.927 1.130 -1.203
H11 0.059 0.238 3.368
H12 -0.893 -0.976 2.502
H13 0.879 -1.040 2.441
H14 0.059 0.238 -3.368
H15 -0.893 -0.976 -2.502
H16 0.879 -1.040 -2.441

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46321.46322.45992.45991.01802.14082.07262.14082.07263.40972.74872.69413.40972.74872.6941
C21.46322.43661.52463.78232.03231.10481.09582.70982.65742.16822.16992.15984.59504.11114.0692
C31.46322.43663.78231.52462.03232.70982.65741.10481.09584.59504.11114.06922.16822.16992.1598
C42.45991.52463.78234.91742.64532.16462.15614.12814.05921.09381.09531.09265.85825.07995.0197
C52.45993.78231.52464.91742.64534.12814.05922.16462.15615.85825.07995.01971.09381.09531.0926
H61.01802.03232.03232.64532.64532.44272.91812.44272.91813.65452.50502.97453.65452.50502.9745
H72.14081.10482.70982.16464.12812.44271.76852.51273.02852.49382.52063.07234.81094.35044.6588
H82.07261.09582.65742.15614.05922.91811.76853.02852.40552.49723.07132.49904.73704.63354.2411
H92.14082.70981.10484.12812.16462.44272.51273.02851.76854.81094.35044.65882.49382.52063.0723
H102.07262.65741.09584.05922.15612.91813.02852.40551.76854.73704.63354.24112.49723.07132.4990
H113.40972.16824.59501.09385.85823.65452.49382.49724.81094.73701.76931.77946.73596.06926.0039
H122.74872.16994.11111.09535.07992.50502.52063.07134.35044.63351.76931.77396.06925.00385.2509
H132.69412.15984.06921.09265.01972.97453.07232.49904.65884.24111.77941.77396.00395.25094.8814
H143.40974.59502.16825.85821.09383.65454.81094.73702.49382.49726.73596.06926.00391.76931.7794
H152.74874.11112.16995.07991.09532.50504.35044.63352.52063.07136.06925.00385.25091.76931.7739
H162.69414.06922.15985.01971.09262.97454.65884.24113.07232.49906.00395.25094.88141.77941.7739

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.816 N1 C2 H7 112.200
N1 C2 H8 107.305 N1 C3 C5 110.816
N1 C3 H9 112.200 N1 C3 H10 107.305
C2 N1 C3 112.739 C2 N1 H6 108.649
C2 C4 H11 110.724 C2 C4 H12 110.774
C2 C4 H13 110.129 C3 N1 H6 108.649
C3 C5 H14 110.724 C3 C5 H15 110.774
C3 C5 H16 110.129 C4 C2 H7 109.789
C4 C2 H8 109.650 C5 C3 H8 151.056
C5 C3 H10 109.650 H7 C2 H8 106.956
H9 C3 H10 106.956 H11 C4 H12 107.844
H11 C4 H13 108.949 H12 C4 H13 108.346
H14 C5 H15 107.844 H14 C5 H16 108.949
H15 C5 H16 108.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability