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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-38.410304
Energy at 298.15K-38.422869
HF Energy-37.937304
Nuclear repulsion energy107.931301
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/CEP-121G
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' 3437 3354 4.35      
2 A' 3089 3015 70.89      
3 A' 3066 2992 108.48      
4 A' 3021 2948 49.16      
5 A' 2967 2895 19.78      
6 A' 2886 2817 216.34      
7 A' 1549 1511 1.01      
8 A' 1526 1489 4.94      
9 A' 1516 1480 12.29      
10 A' 1448 1413 5.59      
11 A' 1429 1394 0.18      
12 A' 1297 1266 3.47      
13 A' 1252 1222 3.20      
14 A' 1161 1134 9.46      
15 A' 1053 1027 5.96      
16 A' 892 871 6.34      
17 A' 820 800 0.28      
18 A' 715 698 108.69      
19 A' 414 404 0.35      
20 A' 246 240 1.22      
21 A' 177 173 1.31      
22 A' 100 98 2.12      
23 A" 3089 3015 12.11      
24 A" 3065 2991 27.98      
25 A" 3018 2946 0.90      
26 A" 2966 2895 50.92      
27 A" 2882 2813 11.55      
28 A" 1539 1502 0.31      
29 A" 1529 1492 0.92      
30 A" 1518 1481 9.48      
31 A" 1500 1464 20.77      
32 A" 1443 1408 14.48      
33 A" 1373 1340 26.91      
34 A" 1279 1248 3.46      
35 A" 1151 1123 49.38      
36 A" 1124 1097 16.39      
37 A" 1066 1040 1.22      
38 A" 938 915 0.87      
39 A" 811 791 0.36      
40 A" 415 405 0.55      
41 A" 246 240 0.69      
42 A" 92 89 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 32549.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 31768.5 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/CEP-121G
ABC
0.56487 0.06701 0.06305

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.016 -0.271 0.000
C2 0.016 0.541 1.261
C3 0.016 0.541 -1.261
C4 0.016 -0.391 2.507
C5 0.016 -0.391 -2.507
H6 -0.758 -0.949 0.000
H7 -0.851 1.241 1.309
H8 0.936 1.151 1.246
H9 -0.851 1.241 -1.309
H10 0.936 1.151 -1.246
H11 0.093 0.201 3.435
H12 -0.916 -0.983 2.555
H13 0.870 -1.084 2.449
H14 0.093 0.201 -3.435
H15 -0.916 -0.983 -2.555
H16 0.870 -1.084 -2.449

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.49961.49962.50952.50951.02832.17962.10322.17962.10323.46782.81112.71793.46782.81112.7179
C21.49962.52121.55583.88072.09901.11541.10422.80042.73932.20182.20572.18654.70824.21294.1388
C31.49962.52123.88071.55582.09902.80042.73931.11541.10424.70824.21294.13882.20182.20572.1865
C42.50951.55583.88075.01322.68202.20212.19374.23904.16041.10341.10481.10145.97125.18065.0761
C52.50953.88071.55585.01322.68204.23904.16042.20212.19375.97125.18065.07611.10341.10481.1014
H61.02832.09902.09902.68202.68202.55222.97172.55222.97173.72042.56022.94393.72042.56022.9439
H72.17961.11542.80042.20214.23902.55221.79042.61703.11912.54802.55003.10914.94674.45834.7418
H82.10321.10422.73932.19374.16042.97171.79043.11912.49262.53043.11372.53874.85034.73644.3190
H92.17962.80041.11544.23902.20212.55222.61703.11911.79044.94674.45834.74182.54802.55003.1091
H102.10322.73931.10424.16042.19372.97173.11912.49261.79044.85034.73644.31902.53043.11372.5387
H113.46782.20184.70821.10345.97123.72042.54802.53044.94674.85031.78651.79636.86936.18836.0722
H122.81112.20574.21291.10485.18062.56022.55003.11374.45834.73641.78651.79186.18835.11025.3141
H132.71792.18654.13881.10145.07612.94393.10912.53874.74184.31901.79631.79186.07225.31414.8979
H143.46784.70822.20185.97121.10343.72044.94674.85032.54802.53046.86936.18836.07221.78651.7963
H152.81114.21292.20575.18061.10482.56024.45834.73642.55003.11376.18835.11025.31411.78651.7918
H162.71794.13882.18655.07611.10142.94394.74184.31903.10912.53876.07225.31414.89791.79631.7918

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.422 N1 C2 H7 112.086
N1 C2 H8 106.768 N1 C3 C5 110.422
N1 C3 H9 112.086 N1 C3 H10 106.768
C2 N1 C3 114.416 C2 N1 H6 110.891
C2 C4 H11 110.635 C2 C4 H12 110.855
C2 C4 H13 109.557 C3 N1 H6 110.891
C3 C5 H14 110.635 C3 C5 H15 110.855
C3 C5 H16 109.557 C4 C2 H7 109.962
C4 C2 H8 109.961 C5 C3 H8 150.040
C5 C3 H10 109.961 H7 C2 H8 107.541
H9 C3 H10 107.541 H11 C4 H12 108.001
H11 C4 H13 109.123 H12 C4 H13 108.618
H14 C5 H15 108.001 H14 C5 H16 109.123
H15 C5 H16 108.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability