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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-303.685308
Energy at 298.15K-303.695761
Nuclear repulsion energy242.721631
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 B3PW91/6-31G
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 3799 3638 38.56      
2 A 3681 3525 31.34      
3 A 3659 3504 33.17      
4 A 3158 3024 23.88      
5 A 3147 3014 31.74      
6 A 3061 2932 20.03      
7 A 3037 2909 44.11      
8 A 3005 2878 43.03      
9 A 1755 1680 431.46      
10 A 1672 1601 187.21      
11 A 1575 1509 4.59      
12 A 1548 1483 12.29      
13 A 1539 1474 9.78      
14 A 1499 1435 149.84      
15 A 1478 1415 146.72      
16 A 1456 1395 56.37      
17 A 1396 1336 17.33      
18 A 1324 1268 0.28      
19 A 1227 1175 18.30      
20 A 1200 1149 2.85      
21 A 1132 1084 8.95      
22 A 1083 1037 11.43      
23 A 1020 977 0.30      
24 A 918 880 3.39      
25 A 861 824 0.67      
26 A 779 746 135.25      
27 A 574 549 7.32      
28 A 571 547 206.68      
29 A 545 522 16.16      
30 A 518 496 0.00      
31 A 402 385 201.45      
32 A 367 352 0.01      
33 A 266 254 0.06      
34 A 198 190 6.02      
35 A 112 107 1.99      
36 A 56 54 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 26807.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 25673.5 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 B3PW91/6-31G
ABC
0.28436 0.06600 0.05467

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.633 -0.234 0.001
H2 2.731 -0.867 -0.889
H3 3.462 0.480 0.001
H4 2.730 -0.867 0.890
C5 1.294 0.498 -0.000
H6 1.235 1.148 0.887
H7 1.236 1.148 -0.887
N8 0.194 -0.456 -0.001
H9 0.402 -1.442 -0.001
N10 -1.478 1.171 0.000
H11 -2.458 1.396 0.001
H12 -0.807 1.918 -0.000
C13 -1.151 -0.165 -0.000
O14 -2.024 -1.064 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.09571.09411.09571.52672.15682.15692.44922.53684.34495.34534.05763.78494.7299
H21.09571.77151.77852.17273.07472.50962.71972.55814.76085.73054.58964.04454.8415
H31.09411.77151.77162.16862.48862.48853.39953.61334.98865.99034.50484.65825.6987
H41.09571.77851.77162.17272.50943.07472.71982.55854.76015.72954.58914.04394.8406
C51.52672.17272.16862.17271.10131.10131.45602.13532.85243.85722.53522.53333.6666
H62.15683.07472.48862.50941.10131.77462.10822.86192.85453.80542.35552.86434.0367
H72.15692.50962.48853.07471.10131.77462.10832.86192.85573.80702.35632.86544.0381
N82.44922.71973.39952.71981.45602.10822.10831.00802.33293.23402.57601.37622.2993
H92.53682.55813.61332.55852.13532.86192.86191.00803.21934.02893.57082.01102.4551
N104.34494.76084.98864.76012.85242.85452.85572.33293.21931.00491.00431.37542.3004
H115.34535.73055.99035.72953.85723.80543.80703.23404.02891.00491.73152.03542.4976
H124.05764.58964.50484.58912.53522.35552.35632.57603.57081.00431.73152.11113.2204
C133.78494.04454.65824.04392.53332.86432.86541.37622.01101.37542.03542.11111.2525
O144.72994.84155.69874.84063.66664.03674.03812.29932.45512.30042.49763.22041.2525

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 109.243 C1 C5 H7 109.245
C1 C5 N8 110.378 H2 C1 H3 107.992
H2 C1 H4 108.504 H2 C1 C5 110.825
H3 C1 H4 107.996 H3 C1 C5 110.593
H4 C1 C5 110.826 C5 N8 H9 119.014
C5 N8 C13 126.857 H6 C5 H7 107.345
H6 C5 N8 110.280 H7 C5 N8 110.287
N8 C13 N10 115.957 N8 C13 O14 121.942
H9 N8 C13 114.129 N10 C13 O14 122.101
H11 N10 H12 119.031 H11 N10 C13 116.684
H12 N10 C13 124.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.512      
2 H 0.179      
3 H 0.176      
4 H 0.179      
5 C -0.123      
6 H 0.171      
7 H 0.171      
8 N -0.684      
9 H 0.352      
10 N -0.796      
11 H 0.357      
12 H 0.340      
13 C 0.693      
14 O -0.502      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.708 3.236 0.001 4.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.865 -8.059 -0.001
y -8.059 -33.782 0.005
z -0.001 0.005 -38.228
Traceless
 xyz
x -2.860 -8.059 -0.001
y -8.059 4.764 0.005
z -0.001 0.005 -1.904
Polar
3z2-r2-3.808
x2-y2-5.083
xy-8.059
xz-0.001
yz0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 205.122
(<r2>)1/2 14.322