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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-302.538405
Energy at 298.15K-302.548039
HF Energy-301.947745
Nuclear repulsion energy242.376971
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/LANL2DZ
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 3646 3511 29.75      
2 A 3178 3060 12.47      
3 A 3122 3007 9.05      
4 A 3027 2915 0.29      
5 A 1667 1605 200.52      
6 A 1567 1509 39.73      
7 A 1537 1480 2.71      
8 A 1516 1460 14.33      
9 A 1479 1424 52.22      
10 A 1200 1156 1.02      
11 A 1176 1132 5.23      
12 A 1169 1126 9.55      
13 A 895 862 7.40      
14 A 491 472 7.89      
15 A 323 311 52.08      
16 A 227 218 1.52      
17 A 162 156 0.24      
18 A 46 44 0.12      
19 B 3641 3507 11.59      
20 B 3177 3060 7.79      
21 B 3123 3007 82.56      
22 B 3026 2914 146.60      
23 B 1581 1522 260.13      
24 B 1551 1493 54.66      
25 B 1525 1469 121.58      
26 B 1488 1433 14.51      
27 B 1283 1236 309.47      
28 B 1178 1135 6.59      
29 B 1171 1128 28.68      
30 B 1021 983 0.47      
31 B 715 689 17.06      
32 B 694 669 21.60      
33 B 490 472 296.41      
34 B 335 322 33.40      
35 B 120 115 16.81      
36 B 61 59 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 26301.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 25331.1 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/LANL2DZ
ABC
0.31109 0.06866 0.05753

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.097
O2 0.000 0.000 1.373
N3 0.000 1.182 -0.664
N4 0.000 -1.182 -0.664
C5 -0.068 2.508 0.000
C6 0.068 -2.508 0.000
H7 -0.216 1.130 -1.656
H8 0.216 -1.130 -1.656
H9 0.455 3.250 -0.624
H10 -0.455 -3.250 -0.624
H11 0.434 2.425 0.974
H12 -0.434 -2.425 0.974
H13 -1.110 2.837 0.170
H14 1.110 -2.837 0.170

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.27591.40611.40612.51082.51082.09702.09703.36043.36042.61502.61503.04713.0471
O21.27592.35532.35532.86002.86003.24023.24023.84203.84202.49582.49583.27513.2751
N31.40612.35532.36431.48453.75011.01642.52532.11804.45602.10153.98542.16004.2520
N41.40612.35532.36433.75011.48452.52531.01644.45602.11803.98542.10154.25202.1600
C52.51082.86001.48453.75015.01782.15944.00751.10225.80501.09865.04161.10565.4757
C62.51082.86003.75011.48455.01784.00752.15945.80501.10225.04161.09865.47571.1056
H72.09703.24021.01642.52532.15944.00752.30122.45144.50673.00254.42752.65444.5638
H82.09703.24022.52531.01644.00752.15942.30124.50672.45144.42753.00254.56382.6544
H93.36043.84202.11804.45601.10225.80502.45144.50676.56401.79875.96281.80316.1735
H103.36043.84204.45602.11805.80501.10224.50672.45146.56405.96281.79876.17351.8031
H112.61502.49582.10153.98541.09865.04163.00254.42751.79875.96284.92731.78875.3657
H122.61502.49583.98542.10155.04161.09864.42753.00255.96281.79874.92735.36571.7887
H133.04713.27512.16004.25201.10565.47572.65444.56381.80316.17351.78875.36576.0924
H143.04713.27514.25202.16005.47571.10564.56382.65446.17351.80315.36571.78876.0924

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 120.569 C1 N3 H7 119.035
C1 N4 C6 120.569 C1 N4 H8 119.035
O2 C1 N3 122.782 O2 C1 N4 122.782
N3 C1 N4 114.436 N3 C5 H9 109.036
N3 C5 H11 107.951 N3 C5 H13 112.183
N4 C6 H10 109.036 N4 C6 H12 107.951
N4 C6 H14 112.183 C5 N3 H7 118.204
C6 N4 H8 118.204 H9 C5 H11 109.634
H9 C5 H13 109.514 H10 C6 H12 109.634
H10 C6 H14 109.514 H11 C5 H13 108.485
H12 C6 H14 108.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability