return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: QCISD(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 QCISD(T)/TZVP
 hartrees
Energy at 0K-213.275584
Energy at 298.15K-213.288248
HF Energy-212.386754
Nuclear repulsion energy188.204428
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(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' 3494 3365        
2 A' 3133 3018        
3 A' 3113 2998        
4 A' 3064 2951        
5 A' 3041 2929        
6 A' 2952 2844        
7 A' 1541 1485        
8 A' 1515 1459        
9 A' 1502 1446        
10 A' 1450 1397        
11 A' 1414 1362        
12 A' 1330 1281        
13 A' 1249 1203        
14 A' 1179 1136        
15 A' 1069 1030        
16 A' 915 882        
17 A' 836 805        
18 A' 799 769        
19 A' 426 411        
20 A' 253 244        
21 A' 185 178        
22 A' 108 104        
23 A" 3133 3017        
24 A" 3113 2998        
25 A" 3061 2948        
26 A" 3040 2928        
27 A" 2949 2840        
28 A" 1529 1472        
29 A" 1515 1459        
30 A" 1509 1454        
31 A" 1490 1435        
32 A" 1429 1376        
33 A" 1369 1319        
34 A" 1291 1243        
35 A" 1166 1123        
36 A" 1124 1082        
37 A" 1073 1034        
38 A" 948 913        
39 A" 816 786        
40 A" 426 410        
41 A" 254 244        
42 A" 92 89        

Unscaled Zero Point Vibrational Energy (zpe) 32945.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 31733.2 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(T)/TZVP
ABC
0.59257 0.06986 0.06590

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.018 -0.293 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 0.060 0.238 3.368
H12 -0.893 -0.976 2.502
H13 0.879 -1.041 2.440
H14 0.060 0.238 -3.368
H15 -0.893 -0.976 -2.502
H16 0.879 -1.041 -2.440

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46371.46372.46012.46011.01832.14122.07312.14122.07313.41022.74892.69343.41022.74892.6934
C21.46372.43671.52473.78262.03281.10481.09592.70932.65732.16842.17002.15964.59534.11144.0688
C31.46372.43673.78261.52472.03282.70932.65731.10481.09594.59534.11144.06882.16842.17002.1596
C42.46011.52473.78264.91792.64592.16512.15624.12784.05921.09391.09541.09275.85885.08065.0194
C52.46013.78261.52474.91792.64594.12784.05922.16512.15625.85885.08065.01941.09391.09541.0927
H61.01832.03282.03282.64592.64592.44292.91862.44292.91863.65532.50542.97423.65532.50542.9742
H72.14121.10482.70932.16514.12782.44291.76862.51153.02792.49492.52113.07254.81074.35034.6580
H82.07311.09592.65732.15624.05922.91861.76863.02792.40512.49723.07142.49894.73684.63364.2405
H92.14122.70931.10484.12782.16512.44292.51153.02791.76864.81074.35034.65802.49492.52113.0725
H102.07312.65731.09594.05922.15622.91863.02792.40511.76864.73684.63364.24052.49723.07142.4989
H113.41022.16844.59531.09395.85883.65532.49492.49724.81074.73681.76971.77976.73646.07016.0035
H122.74892.17004.11141.09545.08062.50542.52113.07144.35034.63361.76971.77396.07015.00475.2508
H132.69342.15964.06881.09275.01942.97423.07252.49894.65804.24051.77971.77396.00355.25084.8802
H143.41024.59532.16845.85881.09393.65534.81074.73682.49492.49726.73646.07016.00351.76971.7797
H152.74894.11142.17005.08061.09542.50544.35034.63362.52113.07146.07015.00475.25081.76971.7739
H162.69344.06882.15965.01941.09272.97424.65804.24053.07252.49896.00355.25084.88021.77971.7739

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.797 N1 C2 H7 112.194
N1 C2 H8 107.301 N1 C3 C5 110.797
N1 C3 H9 112.194 N1 C3 H10 107.301
C2 N1 C3 112.681 C2 N1 H6 108.641
C2 C4 H11 110.732 C2 C4 H12 110.771
C2 C4 H13 110.100 C3 N1 H6 108.641
C3 C5 H14 110.732 C3 C5 H15 110.771
C3 C5 H16 110.100 C4 C2 H7 109.823
C4 C2 H8 109.646 C5 C3 H8 151.056
C5 C3 H10 109.646 H7 C2 H8 106.953
H9 C3 H10 106.953 H11 C4 H12 107.873
H11 C4 H13 108.959 H12 C4 H13 108.332
H14 C5 H15 107.873 H14 C5 H16 108.959
H15 C5 H16 108.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability