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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/SDD
 hartrees
Energy at 0K-301.969639
Energy at 298.15K-301.980533
Nuclear repulsion energy243.836252
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 HF/SDD
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 4028 3627 60.86      
2 A 3897 3509 48.84      
3 A 3875 3489 64.09      
4 A 3299 2970 53.57      
5 A 3293 2965 68.53      
6 A 3233 2911 43.17      
7 A 3207 2888 24.06      
8 A 3197 2879 71.85      
9 A 1840 1657 520.52      
10 A 1793 1614 342.48      
11 A 1689 1521 7.17      
12 A 1653 1489 18.52      
13 A 1645 1481 9.50      
14 A 1616 1455 49.63      
15 A 1575 1418 190.68      
16 A 1573 1416 221.45      
17 A 1515 1364 27.75      
18 A 1431 1288 0.01      
19 A 1305 1175 19.82      
20 A 1294 1165 5.97      
21 A 1217 1096 33.20      
22 A 1165 1049 13.03      
23 A 1071 965 0.92      
24 A 969 872 3.62      
25 A 917 825 1.27      
26 A 866 780 208.21      
27 A 621 559 273.66      
28 A 613 552 10.64      
29 A 596 536 9.95      
30 A 576 519 25.44      
31 A 479 431 170.27      
32 A 389 350 0.08      
33 A 281 253 0.03      
34 A 215 194 7.59      
35 A 129 116 1.37      
36 A 79 71 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 28567.3 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 25722.0 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 HF/SDD
ABC
0.28836 0.06622 0.05494

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.634 -0.229 0.000
H2 2.732 -0.854 -0.880
H3 3.450 0.482 0.001
H4 2.731 -0.855 0.880
C5 1.292 0.506 -0.000
H6 1.233 1.143 0.878
H7 1.234 1.144 -0.877
N8 0.191 -0.454 -0.001
H9 0.398 -1.427 -0.001
N10 -1.495 1.157 0.000
H11 -2.467 1.363 -0.000
H12 -0.844 1.903 -0.001
C13 -1.144 -0.166 -0.000
O14 -2.004 -1.061 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08401.08311.08401.53042.14822.14842.45262.53624.35575.34314.07923.77824.7113
H21.08401.75431.76022.16813.05392.49772.71812.55924.76395.72014.60054.03414.8216
H31.08311.75431.75432.15852.47402.47403.39073.60014.99145.98204.52304.63965.6679
H41.08401.76021.75432.16812.49753.05402.71822.55874.76335.71954.60054.03334.8205
C51.53042.16812.15852.16811.08591.08591.46082.13032.86223.85482.55172.52683.6491
H62.14823.05392.47402.49751.08591.75472.09982.84182.86613.80882.37972.85204.0128
H72.14842.49772.47403.05401.08591.75472.09982.84252.86713.80962.37942.85314.0142
N82.45262.71813.39072.71821.46082.09982.09980.99492.33293.21982.57461.36622.2773
H92.53622.55923.60012.55872.13032.84182.84250.99493.20423.99923.55451.99252.4299
N104.35574.76394.99144.76332.86222.86612.86712.33293.20420.99280.99021.36902.2753
H115.34315.72015.98205.71953.85483.80883.80963.21983.99920.99281.71032.02152.4671
H124.07924.60054.52304.60052.55172.37972.37942.57463.55450.99021.71032.09043.1823
C133.77824.03414.63964.03332.52682.85202.85311.36621.99251.36902.02152.09041.2408
O144.71134.82165.66794.82053.64914.01284.01422.27732.42992.27532.46713.18231.2408

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.211 C1 C5 H7 109.222
C1 C5 N8 110.138 H2 C1 H3 108.101
H2 C1 H4 108.555 H2 C1 C5 110.898
H3 C1 H4 108.101 H3 C1 C5 110.191
H4 C1 C5 110.900 C5 N8 H9 119.124
C5 N8 C13 126.685 H6 C5 H7 107.793
H6 C5 N8 110.215 H7 C5 N8 110.216
N8 C13 N10 117.066 N8 C13 O14 121.671
H9 N8 C13 114.191 N10 C13 O14 121.263
H11 N10 H12 119.199 H11 N10 C13 116.821
H12 N10 C13 123.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.597      
2 H 0.191      
3 H 0.192      
4 H 0.191      
5 C -0.153      
6 H 0.184      
7 H 0.184      
8 N -0.616      
9 H 0.391      
10 N -0.840      
11 H 0.397      
12 H 0.381      
13 C 0.600      
14 O -0.505      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.244 3.775 -0.002 5.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.059 -9.138 0.010
y -9.138 -35.368 -0.007
z 0.010 -0.007 -38.987
Traceless
 xyz
x -3.881 -9.138 0.010
y -9.138 4.655 -0.007
z 0.010 -0.007 -0.774
Polar
3z2-r2-1.548
x2-y2-5.691
xy-9.138
xz0.010
yz-0.007


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.828 0.398 -0.001
y 0.398 6.716 -0.000
z -0.001 -0.000 4.586


<r2> (average value of r2) Å2
<r2> 205.118
(<r2>)1/2 14.322